REFRIGERATION &
AIR CONDITIONING DIVISION
Components for CO
2
applications
in Industrial Refrigeration
Application guide
MAKING MODERN LIVING POSSIBLE
Application guide Industrial Refrigeration Valves for CO
2
Applications
Danfoss A/S (RA Marketing/MWA), 01 - 2009 DKRCI.PA.000.D2.02 / 520H0243 3
Contents Page
Introduction........................................................................................5
General information about CO
2
......................................................................5
Design pressure ....................................................................................5
Material compatibility ..............................................................................6
Water in CO
2
systems ...............................................................................7
Safety valves in CO
2
systems' ........................................................................9
Capacity............................................................................................9
Danfoss sub-critical CO
2
components ............................................................. 10
Coils for solenoid valves....................................................................... 12
Pilot valve type CVP (XP) ...................................................................... 12
Hot-gas capacity for ICS with CVP (XP) ........................................................ 12
Pressure transmitters.......................................................................... 13
Liquid line filter driers ......................................................................... 14
Ordering ......................................................................................... 15
Delivery .......................................................................................... 21
4 DKRCI.PA.000.D2.02 / 520H0243 Danfoss A/S (RA Marketing/MWA), 01 - 2009
Application guide Industrial Refrigeration Valves for CO
2
Applications
Application guide Industrial Refrigeration Valves for CO
2
Applications
Danfoss A/S (RA Marketing/MWA), 01 - 2009 DKRCI.PA.000.D2.02 / 520H0243 5
Introduction
The objective of this application guide is to
provide an overview of which Danfoss Industrial
Refrigeration products are suitable for use in CO
2
applications.
Today, Danfoss is offering a broad programme of
industrial products applicable for CO
2
, however
this is dependent on demands regarding the
design pressure. The table on page 8 lists
the components which are suitable for CO
2
applications together with the maximum
working pressure limits.
General information about CO
2
For further background information about CO
2
as
a refrigerant, please refer to the Danfoss article
"CO
2
Refrigerant for Industrial Refrigeration".
There are a number of important factors to be
taken into consideration when determining the
design pressure.
1. Pressure during operation:
The pressure during operation is
dependent on actual system design
(single stage, cascade system or CO
2
-
”brine” system) and the load variation.
2. Pressure during “stand still”:
The pressure during stand still can be
very high and this has to be taken into
consideration:
• Asmallseparaterefrigerationsystem
can be used to keep the liquid
temperature at a level, where the
saturated pressure is lower than
the design pressure
• Designingthesystemwithanexpansion
vessel of a size that prevents the
pressure from exceeding the design
pressure.
• Designingtheplantsothatitcan
withstand the saturated pressure at the
design temperature (approx. 80 bar)
From Danfoss’ experience, it would appear
that the most common solution for industrial
refrigeration applications is to use a small
separate refrigeration system to limit the
temperature of the liquid CO
2
.
3. Pressure tolerances for safety valves
(10 – 15 %)
Safety valves require a certain pressure
difference (difference between set pressure
and reseating pressure) to ensure that the
valve is closed properly.
Normally the closing tolerance is 10%
of the set pressure. Additionally, it is good
practice to add 3-5% to the closing
tolerance, to take care of any pressure
variations / peaks.
Design pressure Note:
In the “IoR - Code of Practice” issued by
the Institute of Refrigeration in London, the
above mentioned tolerance is stated to be
20%
4. Temperature / pressure requrements for
defrosting
Depending on the actual design, different
ways of defrosting can be applied (natural,
water, electrical or CO
2
hot gas defrosting).
The CO
2
hot gas defrosting is the most
efficient, especially at low temperatures,
but it also has the highest pressure
demand. With a design pressure of
PS=50-52 bar, it is possible to reach a
defrosting temperature of approx. 9-10°C.
The saturated pressure at 9°C is 43.9 bar g.
By adding 10% for the safety valves and
approx. 5% for pressure peaks, the
requirement is for pressure PS ~ 50-52 bar g.
There is not one common method to perform
defrosting. All methods, as described above, are
used, depending on the system, but also on the
availability of suitable compressors and other
components.
6 DKRCI.PA.000.D2.02 / 520H0243 Danfoss A/S (RA Marketing/MWA), 01 - 2009
Application guide Industrial Refrigeration Valves for CO
2
Applications
Material compatibility
The tests have shown that CO
2
is different,
and modifications have to be made on some
products. The large amount of CO
2
, which
can dissolve in polymers, has to be taken into
consideration. Some commonly used
polymers are not compatable with CO
2
, and
others require different fixing methods e.g.
sealing materials.
When the pressure is close to the critical
pressure and the temperature is high, the impact
on polymers is much more extreme. However,
those conditions are not important for industrial
refrigeration as pressure and temperatures are
lower for these systems.
CO
2
is compatible with almost all common
metallic materials, unlike NH
3
. There are no
restrictions from a compatibility point of view,
when using copper or brass.
The compatibility of CO
2
and polymers is much
more complex. As CO
2
is a very inert and stable
substance, the chemical
reaction with polymers is not critical. The main
concern with CO
2
is the physiochemical effects,
such as permeation, swelling and the generation
of cavities and internal fractures. These effects are
connected with the solubility and diffusivity of
CO
2
in the actual material.
Danfoss has carried out a number of tests to
ensure that components released for use with
CO
2
can withstand the impact of CO
2
in all
aspects.
Application guide Industrial Refrigeration Valves for CO
2
Applications
Danfoss A/S (RA Marketing/MWA), 01 - 2009 DKRCI.PA.000.D2.02 / 520H0243 7
In NH
3
systems it is well known that there are
problems as a result of reaction with oil, oxygen,
water and solid contaminations, but these are all
handled today by frequent oil changes and use of
air purgers. Compared to NH
3
CO
2
is less sensitive,
but if water is present, problems may occur.
How can water penetrate into a CO
2
system?
• ThepressureofCO
2
systems is always above
the atmospheric pressure, therefore there are
not the same risks as in e.g. NH
3
systems, of
air/water penetration into a leaking CO
2
system. However, pemeation of water into the
system is still possible.
• WhenchargingCO
2
, there are different grades
of CO
2
, some of which allow relatively high
amounts of water.
• CO
2
is a safe refrigerant, and therefore there is
a risk, that it is handled without following the
normal refrigeration safety requirements. If a
system is opened up, air can penetrate into it,
and the moisture can condense inside the
tubes. If the system is not evacuated properly,
some water may well be retained.
• Bycharginglubricant(oil)tothecompressor.
• Incompletewaterremovalduringinstallation/
commissioning
Water in CO
2
systems
Fig. 1: Water solubility
Fig. 1 shows the maximum (water) moisture
content that can be dissolved in the liquid and
gas phases of CO
2
.
0
200
400
600
800
1000
1200
-60
-40 -20 0204060
Temperature
Weight *10-6 of water / weight of
refrigerant [ppm]
Liquid CO
2
Vapour CO
2
[
o
C]
[
o
F]
-40 3
2
104
-76
-4 6
8
14
0
Water solubility in liquid / vapour CO
2
From the reports, it seems that incomplete water
removal, due to insufficient vacuum procedure, is
one of the main reasons for water contamination
in CO
2
systems. Vacuum procedures sufficient for
ammonia systems are not sufficient for CO
2
systems.
The acceptable amount of water in CO
2
systems
is much lower than in systems with other
common refrigerants. If the water content
exceeds the dew-point, and the temperature is
below 0°C, the water will freeze, creating a risk
of problems with equipment in the system e.g.
blocking control valves.
The water can very easily be removed by
mounting a drier in the system.
Driers in CO
2
are very efficient, and are normally
mounted in the liquid line to avoid any
unnecessary pressure drops being created.
8 DKRCI.PA.000.D2.02 / 520H0243 Danfoss A/S (RA Marketing/MWA), 01 - 2009
Application guide Industrial Refrigeration Valves for CO
2
Applications
Fig. 2: Water solubility
Water in CO
2
systems
(cont.)
Fig. 3: SGN moisture indication for CO
2
In fig. 2, the maximum water content, which can
be dissolved in the CO
2
gas phase, is compared
with other commonly used refrigerants. The
maximum water content for CO
2
is much lower
than for the other refrigerants. If the maximum
concentration is exceeded, this will appear as free
water or as ice in the refrigeration system.
An indication of water content can be obtained
by using a Danfoss SGN sight glass.
- A “dry” system is shown with a green
indicator
- A “wet” system is shown with a yellow
indicator
Water/moisture content values for these
conditions are shown in fig. 3
0
10
20
30
40
50
60
70
80
90
100
–40
–40
–20
–4
0
32
CO
2
+ H
2
O
CO
2
+
ICE
CO
2
+
Water
vapour phase
Temperature
20 °C
68 ºF
Water solubility in vapour CO
2
Weight *10-6 of water / weight of
refri
g
erant
[pp
m
]
0
500
1000
1500
2000
-60-40 -20020 40 60
R717
CO
2
R134a
-403210
4
-76-46814
0
Water solubility in vapour phase
[°C]
[°F]
Weight * 10-6 of water / weight of
refrigerant [ppm]
Temperature
Application guide Industrial Refrigeration Valves for CO
2
Applications
Danfoss A/S (RA Marketing/MWA), 01 - 2009 DKRCI.PA.000.D2.02 / 520H0243 9
Water in CO
2
systems
(cont.)
Fig. 4: CO
2
systems with DCR filter drier and SGN indicator
Due to the thermodynamic properties of CO
2
,
in particular the triple point, which is located at
much higher pressure than for all other common
refrigerants, the formation of solid CO
2
can occur.
If a safety valve is mounted in a CO
2
system at e.g.
52 bar, the pressure in the downstream (outlet)
line from the safety valve will pass the triple point
at 5.2 bar.
Below the triple point, CO
2
will change from a
mixture of liquid and vapour into a mixture of
solid and vapour.
The formation of solid CO
2
in the downstream
line can, in the worst case, block this line.
Safety valves in CO
2
systems
The most effective solution to this problem is to
mount the safety valve without an outlet line,
thus blowing directly into the atmosphere.
The phase change of the CO
2
does not take place
directly in the valve, but just after the valve, and
in this case in the atmosphere.
If safety valves or any other safety devices, have
to be mounted in liquid lines, they must never
blow to the atmosphere or any other places
where the backpressure is below 5.2 bar.
If the back-pressure is below the triple point (5.2 bar)
a very high fraction of the CO
2
will be solid.
Fig. 5: Flow in downstream lines from safety valves
Capacity
CO
2
capacity calculations for Danfoss Industrial
Refrigeration components can be undertaken
using the DIRcalc selection software.
Pr incipl ediagram: CO
2
-NH
3
cascadesystem
CO
2
Evaporator
Liquid
CO
2
reciever
CO
2
Compressor
Dry suction
CO
2
-NH
3
heat exchanger
Filter drier
Moisture indicator
Filter driers installed in:
• bypass lines or
• main liquid line
Liquid
Filter drier
Moisture indicator
50% solid CO
2
at
the triple point
Liquid
20 bar [290 psi]
–78.4°C [–109.1°F]
–56.6°C [–69.9°F]
–5.2 bar-a [75.1 psi-a]
+31°C [87.9°F]
Vapour
50 bar [725 psi]
Vapour
35 bar [507 psi]
0% solid CO
2
at
the triple point
3% solid CO
2
at
the triple point
1450 100
145 10
14.51
psi bar
Pressure
Enthalpy (J)
10 DKRCI.PA.000.D2.02 / 520H0243 Danfoss A/S (RA Marketing/MWA), 01 - 2009
Application guide Industrial Refrigeration Valves for CO
2
Applications
Danfoss sub-critical CO
2
components
Today, Danfoss is offering a broad programme of
industrial components applicable for CO
2
.
The majority of components listed below
have been evaluated and upgraded, and are
therefore applicable for CO
2
within the pressure
and temperature range stated in the technical
documentation. In particular the pressure is the
limiting factor for this group of components.
Special components for “high” pressure CO
2
applications have been developed. The most
common types of valves are listed on the
following pages.
Please note the high pressure specials are
generally available to order only and extended
delivery times should be considered.
Pressure Equipment Directive (PED)
The Industrial Refrigeration valves are approved
in accordance with the European standards
specified in the Pressure Equipment Directive and
are CE marked.
20 290
30 435
40 580
50 725
60 870
–30
–22
–20
–4
–10
14
0
32
10
50
20 °C
68 °F
Design temperature
52 bar
754 psi
25 bar
363 psi
”Saturated”
pressure”p”
(bara / psia)
”p” + 10%
(barg / psig)
Design pressure
”p” + 15%
(barg / psig)
Design pressure / temperature for CO
2
bar psi
Design pressure
40 bar
580 psi
The product can be used in standard version.
All products are CE approved
#
Code numbers for these products are available in this
application guide.
The product must be manufactured in a special
version (higher test pressure, marking and
documentation). All products are CE approved
Danfoss Sub Critical CO
2
- components
Industrial Refrigeration products
DN PS
40bar
[580 psi]
PS
52 bar
[754 psi]
Main Valves, Solenoid Valves ICS 1 ICS 3 all 20-65
Motor Valves ICM all 20-65
Multifunction valve ICF all 20-40
Pilots for ICS Valves CVP (XP)
EVM #
Stop Valves - SVA ST,HS SVA all 10-65 #
SVA all 80-200 50 bar #
Regulating Valves - REG REG all 15 - 65 #
Stop Check Valves SCA SCA all 15-65 #
SCA all 80-125 50 bar #
Filters FIA FIA all 15-65 #
FIA all 80-200 50 bar #
Check Valves CHV all 15- 40 #
CHV all 80-125 50 bar #
Solenoid Valves EVRS all 10-25 #
EVRA all 10-40
Electrically operated expansion valve AKVA all 10-40
Safety Valves and Change Over Valves SFV - DSV SFA 15 -
DSV 1, 2 20-32
POV 40, 50, 80 40-80
Filter drier DCRH High pressure version 46 bar #
Liquid level transmitter AKS 41 - -
Gas detectors GD
Industrial Refrigeration products
Application guide Industrial Refrigeration Valves for CO
2
Applications
Danfoss A/S (RA Marketing/MWA), 01 - 2009 DKRCI.PA.000.D2.02 / 520H0243 11
Danfoss sub-critical CO
2
components
(Continued)
The product can be used in standard version.
All products are CE approved
Commercial Refrigeration products
Danfoss Sub Critical CO
2
- components
Commercial Refrigeration products
PS
35 bar
[508 psi]
PS
42bar
[609 psi]
PS
46 bar
[667 psi]
Solenoid Valves EVR 2, EVR 3
EVRH 6 - EVRH 15
Thermostatic expansion valves TU 34 bar
Shutoff Valves (Ball Valves) GBC 45 bar
Check Valves NRV
NRVH
Electrically operated expansion valve AKV 10 - AKV 15 (type A, B, C)
Filter drier DCRH
DCR
DML
Moisture indicator SGN
Pressure controls KP6
Pressure transmitters AKS 3000
Controllers for CO
2
-applications:
Case controllers AKC 114A, AKC 115A, AKC 116A
EKC 414A, EKC 414A1, AK-CC 550
AK-CC 750
Evaporator controllers EKC 315A, EKC 316, EKD 316, EKC 312
Pack controllers EKC 331T, AK-PC 530, AK-PC 420, AK-PC 730, AK-PC 840, AK-CH 650
12 DKRCI.PA.000.D2.02 / 520H0243 Danfoss A/S (RA Marketing/MWA), 01 - 2009
Application guide Industrial Refrigeration Valves for CO
2
Applications
Due to the high pressure difference between
the condenser and evaporator, the Maximum
Opening Pressure Differential (MOPD) demand
for the solenoid valve in some applications may
exceed the standard coil capabilities.
Typical applications could be:
Liquid injection for cooling the compressor
Hot gas defrost
Shut off valve before expansion valve
Therefore Danfoss offers a 20 W coil, that covers a
MOPD range up to 40 bar.
The 20 W coil program includes 24, 110 and 230 V
a.c. 50 Hz power supplies.
Coils for solenoid valves
Max working pressure: 52 bar g (754 psig)
K
v
/C
v
value: 0.45 m
3
/h (0.52 USgal/min)
Temperature range: –50 →120°C (–58 → 248°F)
Pressure range: 25 → 52 bar g (363 → 754 psig)
Technical data
The figure shows the evaporator in a CO
2
refrigeration plant with flooded evaporation and
with pump circulation. In this application the
Hot-gas capacity for ICS
with CVP (XP)
Valve type Defrosting temperature [°C] +10
[bar] 45.0
Evaporating temperature [°C] 0 -10 -20 -30 -40
[bar] 34.9 26.5 19.7 14.3 10.1
CVP (XP) +
CVH
Defrosting capacity [kW] 1004 1353 1580 1687 1854
Defrosting mass flow [kg/h] 57 79 93 102 108
ICS 25-5 Defrosting capacity [kW] 3792 5110 5969 6573 7004
Defrosting mass flow [kg/h] 217 298 351 386 408
ICS 25-10 Defrosting capacity [kW] 6477 8728 10195 11227 11963
Defrosting mass flow [kg/h] 371 509 600 659 697
ICS 25-15 Defrosting capacity [kW] 9647 13000 15185 16722 17818
Defrosting mass flow [kg/h] 552 758 893 982 1038
Suction line
Liquid line
Hot gas line
constant defrost pressure regulation is made by
means of an ICS mounted with a high-pressure
pilot valve type CVP(XP).
Pilot valve type CVP (XP)
Application guide Industrial Refrigeration Valves for CO
2
Applications
Danfoss A/S (RA Marketing/MWA), 01 - 2009 DKRCI.PA.000.D2.02 / 520H0243 13
Pressure transmitters AKS 3000 is a series of absolute transmitters
with high-level signal conditioned current output,
developed to meet demands in A/C and
refrigeration.
AKS 3000 utilises the proved piezoresistive
measuring principle, which has been used for
decades in Danfoss pressure transmitters.
The pressure reference is a sealed gauge.
This means that atmospheric pressure
variations have no influence on regulating
accuracy. A must in accurate low pressure
regulation.
Features Designed to meet A/C and refrigeration demands
without compromising control accuracy
concerning
Tough environment
• Vibration
• Shock during operation and transport
• Humidity and ice formation
• Temperature variations
• Corrosive media like ammonia gases
and salt mist
Convenient performance
• 4 to 20 mA signal
• 1% typical accuracy
• 0.5% typical linearity
• Prepared for high pressure refrigerants
• Bar code for tracing of calibration data
Perfect system integrity
• Compact design
• Max. working pressure ≤ 100 bar
• Temperature compensation for suction
line
•
1
/
4
-18 NPT or G ½” EN 387 pressure connection
• All laser welded AISI 316L stainless
steel enclosure
• No soft seals
• Enclosure: IP 65 with plug
All materials in contact with the refrigerant and
materials for the housing are AISI 316L stainless
steel. No soft gaskets, all environmental sealings
are made through laser weldings only.
AKS 3000 has a 4 to 20 mA output, and is
available with DIN 43650-A plug RG9.
Application
• High pressure control
• Compressor capacity control
• Evaporator pressure detection
• Oil pressure control
Approvals
• UL
• CE marked acc. to the EMC directive
14 DKRCI.PA.000.D2.02 / 520H0243 Danfoss A/S (RA Marketing/MWA), 01 - 2009
Application guide Industrial Refrigeration Valves for CO
2
Applications
Eliminator
®
liquid line filter driers protect
refrigeration and air-conditioning systems from
moisture, acids, and solid particles. With these
contaminants eliminated, systems are safer from
harmful chemical reactions and from abrasive
impurities.
For further information regarding DCR filter driers
please contact your local Danfoss sales company.
Eliminator
®
liquid line filter driers
Capacity Please see the technical leaflet PD.EJ0.A
Benefits, features and facts Excellent moisture and acid adsorption
protects your refrigeration system
Highly efficient dirt retaining capabilities on
both the suction and the liquid line
Corrosion-resistant powder-painted finish
including zinc phosphate pre-treatment of the
DCR shells
DM solid core - 100% molecular sieve
Max. working pressure
High pressure version: 46 bar (667 psi)
For industrial refrigeration available in
connections: Butt weld DN20-50 (3/4 -2 in.)
Application guide Industrial Refrigeration Valves for CO
2
Applications
Danfoss A/S (RA Marketing/MWA), 01 - 2009 DKRCI.PA.000.D2.02 / 520H0243 15
Ordering The following list details the most commonly
used Danfoss refrigeration components for CO
2
applications. Components with alternative types
of connections and dimensions can be supplied
on request.
The Code Numbers specified include a mix of
special high pressure and standard products.
In both cases the Maximum Working Pressures
should be adhered to.
The list also includes components which are not
suitable for use with NH
3
, but are suitable for use
for CO
2
systems (moisture indicators and filter
driers).
Stop valve
Size Type Max.
WorkingPressure
Connection Code Number
mm in.
10
3
/
8
SVA-ST 10 D ANG STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3829
10
3
/
8
SVA-ST 10 D ANG STOP VALVE H-WHEEL 52BAR 52 bar (754 psi) DIN 148B3830
10
3
/
8
SVA-ST 10 D STR STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3859
15
1
/
2
SVA-ST 15 D ANG STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3831
15
1
/
2
SVA-ST 15 D ANG STOP VALVE H-WHEEL 52BAR 52 bar (754 psi) DIN 148B3832
15
1
/
2
SVA-ST 15 D STR STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3862
20
3
/
4
SVA-ST 20 D ANG STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3815
20
3
/
4
SVA-ST 20 D ANG STOP VALVE H-WHEEL 52BAR 52 bar (754 psi) DIN 148B3833
20
3
/
4
SVA-ST 20 D STR STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3897
25 1 SVA-ST 25 D ANG STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3834
25 1 SVA-ST 25 D ANG STOP VALVE H-WHEEL 52BAR 52 bar (754 psi) DIN 148B3835
25 1 SVA-ST 25 D STR STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3898
32 1
1
/
4
SVA-ST 32 D ANG STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3836
32 1
1
/
4
SVA-ST 32 D ANG STOP VALVE H-WHEEL 52BAR 52 bar (754 psi) DIN 148B3837
32 1
1
/
4
SVA-ST 32 D STR STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3899
40 1
1
/
2
SVA-ST 40 D ANG STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3838
40 1
1
/
2
SVA-ST 40 D ANG STOP VALVE H-WHEEL 52BAR 52 bar (754 psi) DIN 148B3839
40 1
1
/
2
SVA-ST 40 D STR STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3991
50 2 SVA-ST 50 D ANG STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3840
50 2 SVA-ST 50 D ANG STOP VALVE H-WHEEL 52BAR 52 bar (754 psi) DIN 148B3841
50 2 SVA-ST 50 D STR STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3992
65 2
1
/
2
SVA-ST 65 D ANG STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3791
65 2
1
/
2
SVA-ST 65 D ANG STOP VALVE H-WHEEL 52BAR 52 bar (754 psi) DIN 148B3842
65 2
1
/
2
SVA-ST 65 D STR STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3993
80 3 SVA-ST 80 D ANG STOP VALVE CAP 50BAR 50 bar (725 psi) DIN 148B4293
80 3 SVA-ST 80 D STR STOP VALVE CAP 50BAR 50 bar (725 psi) DIN 148B4248
100 4 SVA-ST100 D ANG STOP VALVE CAP 50BAR 50 bar (725 psi) DIN 148B3779
100 4 SVA-ST100 D STR STOP VALVE CAP 50BAR 50 bar (725 psi) DIN 148B3994
125 5 SVA-ST125 D ANG STOP VALVE CAP 50BAR 50 bar (725 psi) DIN 148B3995
125 5 SVA-ST125 D STR STOP VALVE CAP 50BAR 50 bar (725 psi) DIN 148B3996
150 6 SVA-ST150 D ANG STOP VALVE CAP 50BAR 50 bar (725 psi) DIN 148B4294
150 6 SVA-ST150 D STR STOP VALVE CAP 50BAR 50 bar (725 psi) DIN 148B3997
200 8 SVA-ST200 D ANG STOP VALVE CAP 50BAR 50 bar (725 psi) DIN 148B3998
200 8 SVA-ST200 D STR STOP VALVE CAP 50BAR 50 bar (725 psi) DIN 148B4295
D = Butt weld DIN connection
ANSI = Butt weld ANSI connection
STR = Straightway
ANG = Angleway
CAP = Cap
H-WHEEL = Hand wheel
16 DKRCI.PA.000.D2.02 / 520H0243 Danfoss A/S (RA Marketing/MWA), 01 - 2009
Application guide Industrial Refrigeration Valves for CO
2
Applications
Stop check valve
Size Type Max. Working
Pressure
Connection Code Number
mm in.
15
1
/
2
SCA 15 D ANG STOP/CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3522
25 1 SCA 25 D ANG STOP/CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3523
32 1
1
/
4
SCA 32 D ANG STOP/CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3524
40 1
1
/
2
SCA 40 D ANG STOP/CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3525
50 2 SCA 50 D ANG STOP/CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3672
50 2 SCA 50 D ANG STOP/CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3424
65 2
1
/
2
SCA 65 D ANG STOP/CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3425
80 3 SCA 80 D ANG STOP/CHECK VALVE 50BAR 50 bar (725 psi) DIN 148G3668
100 4 SCA100 D ANG STOP/CHECK VALVE 50BAR 50 bar (725 psi) DIN 148G3697
125 5 SCA125 D ANG STOP/CHECK VALVE 50BAR 50 bar (725 psi) DIN 148G3698
Regulating valve
Size Type Max. Working
Pressure
Connection Code Number
mm in.
15
1
/
2
REG 15 D ANG CONE#4 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3172
15
1
/
2
REG 15 D ANG CONE#5 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3173
15
1
/
2
REG 15 D ANG CONE#6 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3174
15
1
/
2
REG 15 D ANG CONE#7 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3175
15
1
/
2
REG 15 D STR CONE#4 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3675
15
1
/
2
REG 15 D STR CONE#6 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3691
15
1
/
2
REG 15 D STR CONE#7 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3692
20
3
/
4
REG 20 D ANG CONE#4 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3176
20
3
/
4
REG 20 D ANG CONE#5 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3177
20
3
/
4
REG 20 D ANG CONE#6 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3178
20
3
/
4
REG 20 D ANG CONE#7 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3179
20
3
/
4
REG 20 D STR CONE#5 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3676
20
3
/
4
REG 20 D STR CONE#6 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3677
20
3
/
4
REG 20 D STR CONE#7 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3693
25 1 REG 25 D ANG CONE#4 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3180
25 1 REG 25 D ANG CONE#5 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3181
25 1 REG 25 D ANG CONE#6 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3182
25 1 REG 25 D ANG CONE#7 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3183
25 1 REG 25 D STR CONE#5 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3678
25 1 REG 25 D STR CONE#6 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3694
25 1 REG 25 D STR CONE#7 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3695
32 1
1
/
4
REG 32 D ANG CONE#10 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3184
32 1
1
/
4
REG 32 D ANG CONE#8 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3185
32 1
1
/
4
REG 32 D ANG CONE#9 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3186
32 1
1
/
4
REG 32 D STR CONE#10 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3696
32 1
1
/
4
REG 32 D STR CONE#8 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3679
40 1
1
/
2
REG 40 D ANG CONE#10 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3187
40 1
1
/
2
REG 40 D ANG CONE#8 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3188
40 1
1
/
2
REG 40 D ANG CONE#9 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3189
40 1
1
/
2
REG 40 D STR CONE#10 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3680
40 1
1
/
2
REG 40 D STR CONE#8 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3681
50 2 REG 50 D ANG CONE#11 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3190
65 2
1
/
2
REG 65 D ANG CONE#12 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3191
Ordering (cont.)
D = Butt weld DIN connection
ANSI = Butt weld ANSI connection
STR = Straightway
ANG = Angleway
Application guide Industrial Refrigeration Valves for CO
2
Applications
Danfoss A/S (RA Marketing/MWA), 01 - 2009 DKRCI.PA.000.D2.02 / 520H0243 17
Check valve
Size Type Max. Working
Pressure
Connection Code Number
mm in.
15
1
/
2
CHV 15 D ANG CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3526
20
3
/
4
CHV 20 D ANG CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3527
25 1 CHV 25 D ANG CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3528
32 1
1
/
4
CHV 32 D ANG CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3529
40 1
1
/
2
CHV 40 A ANG CHECK VALVE 52BAR 52 bar (754 psi) ANSI 148G3673
40 1
1
/
2
CHV 40 D ANG CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3530
50 2 CHV 50 D ANG CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3531
65 2
1
/
2
CHV 65 D ANG CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3426
80 3 CHV 80 D ANG CHECK VALVE 50BAR 50 bar (725 psi) DIN 148G3669
100 4 CHV100 D ANG CHECK VALVE 50BAR 50 bar (725 psi) DIN 148G3699
125 5 CHV125 D ANG CHECK VALVE 50BAR 50 bar (725 psi) DIN 148G3700
Filter
Size Type Max. Working
Pressure
Connection Code Number
mm in.
15
1
/
2
FIA 15 D ANG FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3215
15
1
/
2
FIA 15 D STR FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3313
20
3
/
4
FIA 20 D ANG FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3195
20
3
/
4
FIA 20 D STR FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3314
25 1 FIA 25 D ANG FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3216
25 1 FIA 25 D STR FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3315
32 1
1
/
4
FIA 32 A STR FILTER HOUSING 52BAR 52 bar (754 psi) ANSI 148H3300
32 1
1
/
4
FIA 32 D ANG FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3217
32 1
1
/
4
FIA 32 D STR FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3316
40 1
1
/
2
FIA 40 D ANG FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3218
40 1
1
/
2
FIA 40 D STR FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3371
50 2 FIA 50 D ANG FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3219
50 2 FIA 50 D STR FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3317
65 2
1
/
2
FIA 65 D ANG FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3220
65 2
1
/
2
FIA 65 D STR FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3372
80 3 FIA 80 D ANG FILTER HOUSING 50BAR 50 bar (725 psi) DIN 148H3373
80 3 FIA 80 D STR FILTER HOUSING 50BAR 50 bar (725 psi) DIN 148H3374
100 4 FIA100 D ANG FILTER HOUSING 50BAR 50 bar (725 psi) DIN 148H3375
100 4 FIA100 D STR FILTER HOUSING 50BAR 50 bar (725 psi) DIN 148H3376
125 5 FIA125 D ANG FILTER HOUSING 50BAR 50 bar (725 psi) DIN 148H3377
125 5 FIA 125 D STR FILTER HOUSING 50BAR 50 bar (725 psi) DIN 148H3318
150 6 FIA150 D ANG FILTER HOUSING 50BAR 50 bar (725 psi) DIN 148H3378
150 6 FIA150 D STR FILTER HOUSING 50BAR 50 bar (725 psi) DIN 148H3379
200 8 FIA200 D ANG FILTER HOUSING 50BAR 50 bar (725 psi) DIN 148H3380
200 8 FIA200 D STR FILTER HOUSING 50BAR 50 bar (725 psi) DIN 148H3381
Code numbers include bodies only - filter inserts to be ordered separately
Ordering (cont.)
Overflow valve
Size Type Max. Working
Pressure
Connection Code Number
mm in.
20
3
/
4
OFV D ANG OVERFLOW VALVE 52 bar (754 psi) DIN 148G3192
25 1 OFV D ANG OVERFLOW VALVE 52 bar (754 psi) DIN 148G3193
The differential pressure can be adjusted 2-8 bar
D = Butt weld DIN connection
ANSI = Butt weld ANSI connection
STR = Straightway
ANG = Angleway
18 DKRCI.PA.000.D2.02 / 520H0243 Danfoss A/S (RA Marketing/MWA), 01 - 2009
Application guide Industrial Refrigeration Valves for CO
2
Applications
Stop valve (stainless steel)
Size Type Max. Working
Pressure
Connection Code Number
mm in.
15
1
/
2
SVA-SS 15 D ANG STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3843
15
1
/
2
SVA-SS 15 D ANG STOP VALVE H-WHEEL 52BAR 52 bar (754 psi) DIN 148B3844
65 2
1
/
2
SVA-SS 15 D STR STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B4249
65 2
1
/
2
SVA-SS 15 D STR STOP VALVE H-WHEEL 52BAR 52 bar (754 psi) DIN 148B4250
20
3
/
4
SVA-SS 20 D ANG STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3845
20
3
/
4
SVA-SS 20 D ANG STOP VALVE H-WHEEL 52BAR 52 bar (754 psi) DIN 148B3846
20
3
/
4
SVA-SS 20 D STR STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B4251
20
3
/
4
SVA-SS 20 D STR STOP VALVE H-WHEEL 52BAR 52 bar (754 psi) DIN 148B4252
25 1 SVA-SS 25 D ANG STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3847
25 1 SVA-SS 25 D ANG STOP VALVE H-WHEEL 52BAR 52 bar (754 psi) DIN 148B3848
25 1 SVA-SS 25 D STR STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3847
25 1 SVA-SS 25 D STR STOP VALVE H-WHEEL 52BAR 52 bar (754 psi) DIN 148B3848
32 1
1
/
4
SVA-SS 32 D ANG STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3849
32 1
1
/
4
SVA-SS 32 D ANG STOP VALVE H-WHEEL 52BAR 52 bar (754 psi) DIN 148B3850
32 1
1
/
4
SVA-SS 32 D STR STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B4255
32 1
1
/
4
SVA-SS 32 D STR STOP VALVE H-WHEEL 52BAR 52 bar (754 psi) DIN 148B4256
40 1
1
/
2
SVA-SS 40 D ANG STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3851
40 1
1
/
2
SVA-SS 40 D ANG STOP VALVE H-WHEEL 52BAR 52 bar (754 psi) DIN 148B3852
40 1
1
/
2
SVA-SS 40 D STR STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B4257
40 1
1
/
2
SVA-SS 40 D STR STOP VALVE H-WHEEL 52BAR 52 bar (754 psi) DIN 148B4258
50 2 SVA-SS 50 D ANG STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3853
50 2 SVA-SS 50 D ANG STOP VALVE H-WHEEL 52BAR 52 bar (754 psi) DIN 148B3854
50 2 SVA-SS 50 D STR STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B4259
50 2 SVA-SS 50 D STR STOP VALVE H-WHEEL 52BAR 52 bar (754 psi) DIN 148B4260
65 2
1
/
2
SVA-SS 65 D ANG STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B3855
65 2
1
/
2
SVA-SS 65 D ANG STOP VALVE H-WHEEL 52BAR 52 bar (754 psi) DIN 148B3856
65 2
1
/
2
SVA-SS 65 D STR STOP VALVE CAP 52BAR 52 bar (754 psi) DIN 148B4261
65 2
1
/
2
SVA-SS 65 D STR STOP VALVE H-WHEEL 52BAR 52 bar (754 psi) DIN 148B4262
Ordering (cont.)
Regulating valve (stainless steel)
Size Type Max. Working
Pressure
Connection Code Number
mm in.
15
1
/
2
REG-SS 15 D ANG CONG#4 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3542
15
1
/
2
REG-SS 15 D ANG CONG#5 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3543
15
1
/
2
REG-SS 15 D ANG CONG#6 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3544
15
1
/
2
REG-SS 15 D ANG CONG#7 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3545
15
1
/
2
REG-SS 15 D STR CONG#4 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3640
15
1
/
2
REG-SS 15 D STR CONG#5 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3641
15
1
/
2
REG-SS 15 D STR CONG#6 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3642
15
1
/
2
REG-SS 15 D STR CONG#7 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3643
20
3
/
4
REG-SS 20 D ANG CONG#4 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3546
20
3
/
4
REG-SS 20 D ANG CONG#5 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3547
20
3
/
4
REG-SS 20 D ANG CONG#6 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3548
20
3
/
4
REG-SS 20 D ANG CONG#7 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3549
20
3
/
4
REG-SS 20 D STR CONG#4 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3644
20
3
/
4
REG-SS 20 D STR CONG#5 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3645
20
3
/
4
REG-SS 20 D STR CONG#6 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3646
20
3
/
4
REG-SS 20 D STR CONG#7 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3647
25 1 REG-SS 25 D ANG CONG#4 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3550
25 1 REG-SS 25 D ANG CONG#5 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3551
25 1 REG-SS 25 D ANG CONG#6 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3552
25 1 REG-SS 25 D ANG CONG#7 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3553
25 1 REG-SS 25 D STR CONG#4 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3648
25 1 REG-SS 25 D STR CONG#5 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3649
25 1 REG-SS 25 D STR CONG#6 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3650
25 1 REG-SS 25 D STR CONG#7 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3651
32 1
1
/
4
REG-SS 32 D ANG CONG#10 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3554
32 1
1
/
4
REG-SS 32 D ANG CONG#8 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3555
32 1
1
/
4
REG-SS 32 D ANG CONG#9 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3556
32 1
1
/
4
REG-SS 32 D STR CONG#10 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3652
32 1
1
/
4
REG-SS 32 D STR CONG#8 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3653
32 1
1
/
4
REG-SS 32 D STR CONG#9 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3654
40 1
1
/
2
REG-SS 40 D ANG CONG#10 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3557
40 1
1
/
2
REG-SS 40 D ANG CONG#8 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3558
40 1
1
/
2
REG-SS 40 D ANG CONG#9 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3559
40 1
1
/
2
REG-SS 40 D STR CONG#10 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3655
40 1
1
/
2
REG-SS 40 D STR CONG#8 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3656
40 1
1
/
2
REG-SS 40 D STR CONG#9 REG VALVE 52BAR 52 bar (754 psi) DIN 148G3657
D = Butt weld DIN connection
ANSI = Butt weld ANSI connection
STR = Straightway
ANG = Angleway
CAP = Cap
H-WHEEL = Hand wheel
Application guide Industrial Refrigeration Valves for CO
2
Applications
Danfoss A/S (RA Marketing/MWA), 01 - 2009 DKRCI.PA.000.D2.02 / 520H0243 19
Ordering (cont.)
Overflow valve (stainless steel)
Size Type Max. Working
Pressure
Connection Code Number
mm in.
20
3
/
4
OFV-SS 20 D ANG OVER FLOW VALVE 52BAR 52 bar (754 psi) DIN 148G3194
25 1 OFV-SS 25 D ANG OVER FLOW VALVE 52BAR 52 bar (754 psi) DIN 148G3195
Differential pressure can be adjusted 2-8 bar
Check valve (stainless steel)
Size Type Max. Working
Pressure
Connection Code Number
mm in.
15
1
/
2
CHV-SS 15 D ANG CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3537
20
3
/
4
CHV-SS 20 D ANG CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3538
25 1 CHV-SS 25 D ANG CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3539
32 1
3
/
4
CHV-SS 32 D ANG CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3540
40 1
1
/
2
CHV-SS 40 D ANG CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3541
Filter (stainless steel)
Size Type Max. Working
Pressure
Connection Code Number
mm in.
15
1
/
2
FIA-SS 15 D ANG FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3221
15
1
/
2
FIA-SS 15 D STR FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3285
20
3
/
4
FIA-SS 20 D ANG FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3222
20
3
/
4
FIA-SS 20 D STR FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3286
25 1 FIA-SS 25 D ANG FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3223
25 1 FIA-SS 25 D STR FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3287
32 1
3
/
4
FIA-SS 32 D ANG FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3224
32 1
3
/
4
FIA-SS 32 D STR FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3288
40 1
1
/
2
FIA-SS 40 D ANG FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3225
40 1
1
/
2
FIA-SS 40 D STR FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3289
50 2
FIA-SS 50 D ANG FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3283
50 2
FIA-SS 50 D STR FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3290
65 2
1
/
2
FIA-SS 65 D ANG FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3284
65 2
1
/
2
FIA-SS 65 D STR FILTER HOUSING 52BAR 52 bar (754 psi) DIN 148H3291
Stop check valve (stainless steel)
Size Type Max. Working
Pressure
Connection Code Number
mm in.
15
1
/
2
SCA-SS 15 D ANG STOP/CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3532
20
3
/
4
SCA-SS 20 D ANG STOP/CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3533
25 1 SCA-SS 25 D ANG STOP/CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3534
32 1
3
/
4
SCA-SS 32 D ANG STOP/CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3535
40 1
1
/
2
SCA-SS 40 D ANG STOP/CHECK VALVE 52BAR 52 bar (754 psi) DIN 148G3536
D = Butt weld DIN connection
STR = Straightway
ANG = Angleway
20 DKRCI.PA.000.D2.02 / 520H0243 Danfoss A/S (RA Marketing/MWA), 01 - 2009
Application guide Industrial Refrigeration Valves for CO
2
Applications
Ordering (cont.)
Available connections
20 D (
3
/
4
in.) 25 D (1 in.) 32 D (1
1
/
4
in.) 40 D (1
1
/
2
in.) 1
3
/
8
in. SA (35) 1
1
/
8
in. SA
7
/
8
in. SA 28 SD
ICS 25-5
1 Pilot 027H2028 027H2020 027H2026 027H2025 027H2024
3 Pilots 027H2078 027H2070 027H2076 027H2075 027H2074
ICS 25-10
1 Pilot 027H2038 027H2030 027H2036 027H2035 027H2034
3 Pilots 027H2088 027H2080 027H2086 027H2085 027H2084
ICS 25-15
1 Pilot 027H2048 027H2040 027H2046 027H2045 027H2044
3 Pilots 027H2098 027H2090 027H2096 027H2095 027H2094
ICS 25 - Ordering complete factory assembled valve (body, function module and top cover)
22 SD
3
/
4
in. A (20) 1 in. A (25) 1
1
/
4
in. A (32)
3
/
4
in.SOC (20) 1 in. SOC (25)
3
/
4
in. FPT 1 in. FPT
ICS 25-5
1 Pilot 027H2023 027H2029 027H2021 027H2140
3 Pilots 027H2073 027H2079 027H2071 027H2145
ICS 25-10
1 Pilot 027H2033 027H2039 027H2031 027H2141
3 Pilots 027H2083 027H2089 027H2081 027H2146
ICS 25-15
1 Pilot 027H2043 027H2049 027H2041 027H2142
3 Pilots 027H2093 027H2099 027H2091 027H2147
Select from parts programme (see the technical leaflet RD4YA)
1 pilot
3 pilots
Hot gas defrost using ICS with CVP (XP)
Pilot
Type Max. Working
Pressure
Code Number
CVPP (HP) 40 bar (580 psi) 027B1268
CVP (XP) 52 bar (754 psi) 027B0080
CVC-HP (4-25 bar regulating range) 52 bar (754 psi) 027B0087
EVM (NC) 65 bar (942 psi) 032F8011
CVPP (HP) CVP (XP)
Solenoid valve stainless steel
Size Type
Max. Working
Pressure
Connection Code number
mm in
10
3
/
8
EVRS 3 52 bar (754 psi) DIN 032X3080
15
1
/
2
EVRST 10 with manual stem 52 bar (754 psi) DIN 032X3083
20
3
/
4
EVRST 15 with manual stem 52 bar (754 psi) DIN 032X3085
25 1 EVRST 20 with manual stem 52 bar (754 psi) DIN 032X2237
Coils: See “Coils for Solenoid valves”
ICM - special valves
Type Code Number
ICM 20-A CO
2
Module 027H1183
ICM 20-B CO
2
Module 027H1184
ICM 20-C CO
2
Module 027H1185
ICM 25-A CO
2
Module 027H2183
ICM 25-B CO
2
Module 027H2184
ICM 32-A CO
2
Module 027H3183
ICM 32-B CO
2
Module 027H3184
ICM 40-A CO
2
Module 027H4183
ICM 40-B CO
2
Module 027H4184
ICM 50-A CO
2
Module 027H5183
ICM 50-B CO
2
Module 027H5184
ICM 65-B CO
2
Module 027H6184
ICM are used in many CO
2
applications with a
high pressure difference, therefore Danfoss now
offers dedicated optimized ICM function modules
for CO
2
applications.
Please note:
The ICM CO
2
solution is only available as ICM
function modules.
ICV valve body and actuator type ICAD 600 / 900
must be ordered separately.
Coils
A.C. coils Code no.
110 V a.c. 20 W, 50 Hz
with terminal box
018Z6904
24 V a.c. 20 W, 50 Hz
with terminal box
018F6901
230 V a.c., 20W, 50 Hz 018F6905
EVM (NC)
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