Autronica CO2 systems User manual

Category
Fire protection
Type
User manual
Protecting life, environment and property...
70152G4_Multiple_arera_pneumatic.doc
CO2 High Pressure
Extinguishing System
Multiple area, pneumatic
Users Manual 70150-G4
COPYRIGHT ©
This publication, or parts thereof, may not be reproduced in any
form, by any method, for any purpose.
Autronica Fire and Security AS and its subsidiaries assume no
responsibility for any errors that may appear in the publication, or
for damages arising from the information in it. No information in
this publication should be regarded as a warranty made by
Autronica Fire and Security. The information in this publication
may be updated without notice.
Product names mentioned in this publication may be trademarks.
They are used for identification purposes only.
Amendments
Amendments
AMENDMENT INCORPORATION RECORD
Amendment
Number
Brief Description of Content Name of Person
Incorporating
Amendment
1 2005-10-06 Updated to AFS standard
2
3
4
5
6
7
8
9
10
Table of Contents
Table of Contents
1 FOREWORD 1
1.1 Supplier address and contact: 1
2 GENERAL DESCRIPTION. 2
2.1.1 Carbon dioxide high pressure system. 2
2.1.2 Use limitations. 2
2.1.3 Quality 3
2.1.4 Types of fires. 3
2.1.5 CO2 - Cylinder Bank. 3
2.1.6 Leakage and Ventilation. 3
2.1.7 Personal protection and safety aspects. 3
2.2 Equipment data. 5
2.2.1 Fastening assembly for 67,5 l CO2 - Cylinders. 5
2.2.2 CO2 - Cylinder. 5
2.2.3 Supply cabinet. 6
2.2.4 Supply cabinet with time delay. 6
2.2.5 Valve release cabinet 7
2.2.6 Typhoon alarm siren with solenoid valve and filter. 7
2.2.7 Electric alarm siren. 7
2.2.8 Electric alarm siren for Hazardous area. 8
2.2.9 Pneumatic operated master valve, DN 25 - DN 50. 8
2.2.10 Pneumatic operated master valve, DN 65 - DN 100 9
2.2.11 CO2 - Manifold pressure gauge. 9
2.2.12 CO2 - Shore connection / Air blowing through valve with check valve 10
2.2.13 CO2 - Manifold relief valve. 10
2.2.14 CO2 - Discharge hose 11
2.2.15 CO2 - Pilot hose 11
2.2.16 CO2 - Nozzle 11
2.2.17 Non - Return valve system. 11
2.2.18 Pressure switch with manual reset. 12
2.2.19 CO2 - Manifold check valve. 12
2.2.20 CO2 - Manifold. 12
2.2.21 CO2 - Cylinder weighing device. 13
2.2.22 CO2 - Cylinder weighing device type Kidde Deugra. 13
3 TECHNICAL DESCRIPTION. 14
3.1 General. 14
3.2 Design. 14
3.3 Fastening assemblies for CO2 - Cylinders. 14
Table of Contents
3.4 CO2 - Cylinder’s. 15
3.5 Supply cabinet / Valve release cabinet. 15
3.5.1 Supply cabinet. 15
3.5.2 Valve release cabinet. 16
3.6 Alarm sirens. 16
3.7 Master valves. 16
3.8 CO2 - Manifold pressure gauge. 17
3.9 CO2 -shore connection / Air blowing through valve. 17
3.10 CO2 Manifold relief valve: 17
3.11 Flexible hoses. 17
3.11.1 CO2 - Discharge hose. 17
3.11.2 CO2 - Pilot hose. 17
3.12 CO2 - Discharge nozzles. 18
3.13 Non - Return valve, system. 18
3.14 Pressure switch. 18
3.15 CO2 - Manifold check valve. 18
3.16 CO2 - Manifolds. 18
3.17 CO2 - cylinder weighing device. 18
4 INSTALLATION INSTRUCTION. 19
4.1 The main equipment installed in the CO2 - room. 19
4.1.1 CO2 - Cylinder fastening assembly. 20
4.1.2 CO2 - Manifold. 20
4.1.3 CO2 - Discharge hose. 21
4.1.4 CO2 - Pilot hose. 21
4.1.5 Non - Return valve system. 21
4.1.6 Master valve. 21
4.1.7 CO2 - Manifold pressure gauge. 22
4.1.8 CO2 - Manifold relief valve. 22
4.1.9 CO2 - Shore connection / Air blowing through valve. 23
4.1.10 Pressure switch with manual reset. 23
4.1.11 CO2 - Cylinder weighing device. 23
4.2 Installation inside the protected area. 23
4.2.1 Piping. 23
4.2.2 CO2 - Nozzles. 25
4.2.3 Alarms. 25
4.3 Release station. 26
4.3.1 Supply cabinet. 26
4.3.2 Valve release cabinet. 26
Table of Contents
4.3.3 Pilot tube. 27
5 OPERATION INSTRUCTION. 45
5.1 General. 45
5.2 Release of the system using the supply cabinet and the valve release cabinet. 45
5.3 Manual release by operating the Master valve and the CO2 - cylinder valves. 46
5.4 Important notice and safety instruction. 46
5.4.1 General 46
5.4.2 Escape ways, emergency routines. 46
5.4.3 Before release. 47
5.4.4 After release. 47
6 MAINTENANCE INSTRUCTION 48
6.1 Introduction. 48
6.2 Precautions. 48
6.3 Periodical control of the CO2 - system. 48
6.3.1 CO2 - gas content. 48
6.3.2 CO2 - Cylinder valves. 48
6.3.3 CO2 - discharge hose. 48
6.3.4 CO2 - Manifold. 49
6.3.5 CO2 - master valve. 49
6.3.6 Ventilation. 49
6.3.7 CO2 - Pilot hose. 49
6.3.8 Instruction signs and operating instructions. 49
6.3.9 CO2 - Cylinder clamps. 49
6.3.10 CO2 - Pilot cylinders. 49
6.3.11 CO2 - Pipes / CO2 - Nozzles 49
6.4 Monthly check. 50
6.4.1 CO2 - Discharge hose / Pilot hoses. 50
6.4.2 CO2 - Cylinder valves. 50
6.4.3 CO2 - piping / master valves. 50
6.4.4 CO2 - Cylinders. 50
6.4.5 CO2 - Alarms / Ventilation stop. 50
6.4.6 Improper function / Damaged items. 50
6.5 System testing. 50
6.5.1 Hydraulic pressure test of pipes inside the CO2 - Room. 50
6.5.2 Leakage test, CO2 - pipes downstream master valves. 51
6.5.3 Release test. 51
6.5.4 Leakage test of CO2 - cylinder valves. 52
6.5.5 Leakage test of connection between the CO2 - cylinder valve and the manifolds. 52
Table of Contents
6.5.6 Test of ventilation shut down. 52
6.5.7 Test of alarm sirens. 53
6.5.8 Test of pressure switch. 53
6.5.9 Final check before leaving the CO2 system in normal operation. 54
6.6 Refilling of CO2 - Cylinder’s. 54
6.6.1 General. 54
6.6.2 Removal of cylinders. 54
6.6.3 Installation of refilled cylinders. 54
Foreword
CO2-High Pressure Multiple Area Pneumatic
Autronica Fire and Security AS
Page 1
1 FOREWORD
1.1 Supplier address and contact:
Supplier:
Autronica Fire and Security AS
Division Maritme
Address:
Industriveien 7,
N-3430 Spikkestad,
Norway
Phone:
+ 47 31 29 55 00
Telefax:
+ 47 31 29 55 01
Contact spares
Sales support department
Contact service
Sales support department
General Description.
CO2-High Pressure Multiple Area Pneumatic
Autronica Fire and Security AS
Page 2
2 GENERAL DESCRIPTION.
2.1.1 Carbon dioxide high pressure system.
Carbon dioxide is a colourless, odourless, electrically non-conductive gas that is a suitable
medium for extinguishing fires. Liquid carbon dioxide forms dry ice snow when released
directly into the atmosphere.
Physical properties: Molecular weight 44,0
Density at 0 OC/1 Bar 2,0 kg/m3
Specific gravity 1,5
1 kg CO2 = 0,56m3 at 1 atm.
Carbon dioxide extinguishes fire by reducing the oxygen level, the vapour phase of the fuel or
both in the air to the point where combustion stops. Carbon dioxide is present in the
atmosphere at an average of 0,03 % per m3. It is also a normal end product of human and
animal metabolism. Carbon dioxide influence certain vital functions in a number of important
ways, including control of respiration, dilation and constriction of the vascular system -
particularly the cerebrum and the pH value of the body.
The concentration of carbon dioxide in the air governs the rate at which carbon dioxide is
released from the lungs at thus affects the concentration of carbon dioxide in the blood and
tissues. An increased concentration of carbon dioxide in air can, therefore, become
dangerous due to a reduction in the rate of release of carbon dioxide from the lungs and
decrease oxygen intake.
2.1.2 Use limitations.
Carbon dioxide fire extinguishing systems are useful to extinguish fires in specific hazards
areas, and in occupancies where an inert electrically non-conductive medium is essential or
desirable.
Some of the most important types of hazards and equipment that carbon dioxide systems
protect, may include:
- Flammable liquid materials.
- Electrical hazards, such as transformers, oil switches and circuit breakers, rotating
equipment, and electronic equipment.
- Engines utilising gasoline and other flammable liquid fuels.
- Ordinary combustibles such as paper, wood and textiles.
- Hazardous solids.
The discharge of liquid carbon dioxide is known to produce electrostatic charges which,
under certain conditions, could create a spark. Carbon dioxide fire extinguishing systems
protecting areas where explosive atmosphere could exist shall utilise metal nozzles and shall
be properly grounded. In addition, objects exposed to discharge from carbon dioxide nozzles
shall be grounded to dissipate possible electrostatic charges.
Carbon dioxide will not extinguish fires where the following materials are actively involved in
the combustion process:
- Chemicals containing their own oxygen supply, such as cellulose nitrate.
- Reactive metals such as sodium, potassium, magnesium, titanium and zirconium.
General Description.
CO2-High Pressure Multiple Area Pneumatic
Autronica Fire and Security AS
Page 3
- Metal hydrides.
- The CO2 fire extinguishing effect will be reduced by fire in wood, paper and textile.
Note. The system is only to be used for fire extinguishing and not for other purposes,
due to the electrostatic ignition hazard.
2.1.3 Quality
Carbon dioxide used for initial supply and replenishment must be of good commercial
grade, free of water and other contaminants that might cause container corrosion or interfere
with free discharge through nozzle orifices. In general carbon dioxide obtained by converting
dry ice to liquid will not be satisfactory unless it is properly processed to remove excess water
and oil.
2.1.4 Types of fires.
Surface fires are the most common hazard particularly, adaptable to extinguishing by total
flooding systems. They are subject to prompt extinguishing when carbon dioxide is quickly
introduced into the enclosure in sufficient quantity to overcome leakage and provide an
extinguishing concentration for the particular material involved.
For deep-seated fires, the required extinguishing concentration shall be maintained for a
sufficient period of time to allow the smouldering to be extinguished and the material to cool
down to a point at which re-ignition will not occur when the inert atmosphere is dissipated.
It is necessary to inspect the hazard in every event immediately thereafter to make sure that
the extinguishing is complete and to remove any material involved in the fire. Where the
quantity of extinguishing medium is required to protect more than one space, the quantity of
the medium available does not have to be more than the largest quantity required.
2.1.5 CO2 - Cylinder Bank.
The fire-extinguishing medium shall be stored in a room that is situated in a safe and
accessible position and shall be effectively ventilated to the satisfaction of the Authorities.
Any entrance to such a storage room must preferably be from the open deck and in any case
shall be independent of the protected space. Access doors shall open outwards, and
bulkheads walls and deck including doors and other means of closing any opening therein,
which from the boundaries between such rooms and adjoining enclosed spaces must be gas
tight.
2.1.6 Leakage and Ventilation.
Since the efficiency of carbon dioxide systems depends upon the maintenance of the
extinguishing concentration of carbon dioxide, leakage of gas from the space shall be kept to
a minimum and compensated for by applying extra gas where required. Means shall be
provided to close all openings, which can admit air to or allow gas to escape from a protected
space.
2.1.7 Personal protection and safety aspects.
The CO2 - gas reduce the human ability to utilise oxygen from the air, and becomes gradually
more dangerous with increased concentration.
General Description.
CO2-High Pressure Multiple Area Pneumatic
Autronica Fire and Security AS
Page 4
CO2 concentration up to 6-7 % of the net volume is normally harmless to most people, but
should be avoided.
The CO2 concentration after one discharge of the fire extinguishing system will be minimum
30 % of the net volume, and will be fatal for human.
Means shall be provided for automatically giving audible warning the release of fire-
extinguishing medium into any space in which personnel normally works or to which they
have access. The alarm shall be operated for a suitable period before the medium is
released.
General Description.
CO2-High Pressure Multiple Area Pneumatic
Autronica Fire and Security AS
Page 5
2.2 Equipment data.
2.2.1 Fastening assembly for 67,5 l CO2 - Cylinders.
Cylinder clamps:
Material : Impregnated wood
Type : For 2, 3 and 4 cylinders.
Dimension : Front and back bar 73 x 48 mm
Centre bar 98 x 48 mm
Bolts:
Material : Steel
Dimension : M16
Length 1 Row : 450 mm
2 Rows : 760 mm
3 Rows : 1077 mm
Nuts:
Material : Steel
Dimension : M16
Standard : DIN 934
Washer:
Material : Steel
Dimension : 50 x 50 x 18 x 5
Standard : Square washer, galvanised.
2.2.2 CO2 - Cylinder.
Size : 67,5 litre
Filling weight : 45 Kg.
Dimension : ø 267 mm x 1605 mm +/- 20 mm
Total weight : 125 Kg +/- 5 Kg.
Cylinder valve : Pneumatic.
Bursting disc : 190 Bar +/- 5 Bar
Cylinder threads : W27,8 DIN 477
Cylinder valve inlet : W28,8 DIN 477
Cylinder valve outlet : W 21,8 x 1/14’’
Material cylinder : 34CrMo4
Material cylinder valve : Cast Brass
Finish cylinder : Grey
Storage pressure at 21OC : 58,6 Bar.
Test pressure : 250 Bar.
Manufacturing standard : 84/525 EEC
Siphon tube : ø 16 x 2 mm
General Description.
CO2-High Pressure Multiple Area Pneumatic
Autronica Fire and Security AS
Page 6
2.2.3 Supply cabinet.
Dimension : 380 mm x 210 mm x 600 mm
Material : Steel
Finish : Grey
Weight : 30 Kg
Degree of protection : IP 65
Pilot cylinder : 2 Off
Material cylinder : 34CrMo4
Pilot cylinder size : 0,67 l.
Filling weight : 0,44 Kg. CO2
Material cylinder valve : Cast Brass
Storage pressure at 21OC : 58,6 Bar
Test pressure : 250 Bar
Manufacturing standard : 84/525 EEC
Pilot line connection : 8 mm Compression Coupling.
2.2.4 Supply cabinet with time delay.
Dimension : 380 mm x 210 mm x 600 mm
Material : Steel
Finish : Grey
Weight : 30 Kg
Degree of protection : IP 65
Pilot cylinder : 2 Off
Material cylinder : 34CrMo4
Pilot cylinder size : 0,67 l.
Filling weight : 0,44 Kg. CO2
Material cylinder valve : Cast Brass
Storage pressure at 21OC : 58,6 Bar
Test pressure : 250 Bar
Manufacturing standard : 84/525 EEC
Accumulator cylinder : 2 Off
Material cylinder : 34CrMo4
Accumulator cylinder size : 0,67 l.
Test pressure : 250 Bar
Manufacturing standard : 84/525 EEC
Pneumatic timer : 1 Off
Material pneumatic timer : Brass
Adjustable range : 20 - 60 seconds.
Pilot line connection : 8 mm Compression Coupling.
General Description.
CO2-High Pressure Multiple Area Pneumatic
Autronica Fire and Security AS
Page 7
2.2.5 Valve release cabinet
Dimension : 200 mm x 150 mm x 300 mm
Material : Steel
Finish : Grey
Weight : 5 Kg
Degree of protection : IP 65
Release valve : 2 Off
Material release valve : Steel
Dimension release valve : DN 8 ( 1/4’’ )
Micro switch : 2 Off, NO / NC
Micro switch rating : 4 Amp / 250 Vac
Pilot line connection : 8 mm Compression Coupling.
2.2.6 Typhoon alarm siren with solenoid valve and filter.
Typhoon:
Dimension : ø 125 mm x 215 mm x 175 mm
Material horn : Brass / Plastic
Finish : Black
Tone frequency : 800 - 900 Hz.
Sound level : 130 dB A at 1 meter.
Solenoid valve:
Dimension : 1/2’’
Inlet / Outlet connection : 1/2’’ BSP Female.
Voltage : 24 V DC 220 VAC
Part no. : 308501 308502
Power consumption : 9 W nominal.
Solenoid valve material : Brass
Maximum air pressure : 12 Bar
Cable entry : 1 x PG 13
Filter
Dimension : 1/2’’
Inlet / Outlet dimension : 1/2’’ BSP Female.
Material housing : Bronze
Material filter : Stainless steel.
Total Weight : 2,6 Kg
2.2.7 Electric alarm siren.
Type : A100DC A112DC A121DC A112AC
Voltage : 24 V DC 24 V DC 24V DC 220 V AC
Current consumption : 19 mA 200mA950 mA 60mA
Sound level at 1 m. : 104 dB112 dB121 dB112 dB
Weight : 0,26 Kg 2,0 Kg 2,1 Kg 2,3 Kg
Dimension A100 DC : 87 mm x 87 mm x 77 mm
Dimension A112 DC : 168 mm x 168 mm x 156 mm
Dimension A 121 DC : 190 mm x 190 mm x 184 mm
Sound frequency : 300 Hz - 2900 Hz ( Adjustable tone )
Material : Taxlan free ABS
General Description.
CO2-High Pressure Multiple Area Pneumatic
Autronica Fire and Security AS
Page 8
Finish : Red
Cable entry A100 : 1 x 20 mm
Cable entry A112 & A121 : 2 x 20 mm
2.2.8 Electric alarm siren for hazardous area.
Type : BExS110D024 BExS110D220
Voltage : 24VDC 220VAC
Current consumption : 195 mA 56 mA
Sound level : 110dB(A)@1m
Weight : 3,2 Kg 3,4kg
Dimension : L 262,6 mm x ø181mm
Sound frequency : 1000 Hz (tone 1)
Material : Seawater resistant aluminium LM6
Finish : Red
Cable entry : 2 x M20 cable inlets where one are blinded.
Degree of protection : IP 66 & IP 67
Explosion protection : II 2 G Eex d IIC T4 (Zone 1 and 2)
2.2.9 Pneumatic operated master valve, DN 25 - DN 50.
General:
Type : DN 25 DN 32 DN 40 DN 50
Length : 573 mm 576 mm 584 mm 586 mm
Width : 111,5 mm 111,5 mm 122 mm 133 mm
Valve:
Type : Ball valve, full bore.
Pressure rating : PN 160
Inlet connection : BSP Female.
Outlet connection : Plain pipe end for welding or threading.
Material housing : Steel
Material ball : Stainless steel.
Material gasket : Delrin
Power cylinder:
Type : Pneumatic, manual return.
Material : Steel
Pressure class : PN 100
Inlet connection : 3/8’’ Flexible hose.
Limit switch:
Quantity : 2 Off
Rating : 10 A ( 4 A ) 380 VAC (DC)
Contacts : NO / NC
Cable entry : 1 x PG 11.
General Description.
CO2-High Pressure Multiple Area Pneumatic
Autronica Fire and Security AS
Page 9
2.2.10 Pneumatic operated master valve, DN 65 - DN 100
General:
Type : DN 65 DN 80 DN 100
Length : 734 mm 746,5 mm 764 mm
Width : 345 mm 370 mm 457,5 mm
Weight : 35,0 Kg 43,0 Kg 60,0 Kg
Valve:
Type : Ball valve, full bore.
Pressure rating : PN 160.
Inlet connection : DIN 2638 PN 160.
Outlet connection : Plain pipe end for welding or threading.
Material housing : Steel ASTM A 105.
Material ball and stem : Stainless steel. AISI 316.
Material gasket : Delrin.
Fire safe : Acc. to BS 6755 Part 2, 1987.
Power cylinder:
Type : Pneumatic, manual return.
Material : Steel
Pressure class : PN 100
Inlet connection : 3/8’’ Flexible hose.
Limit switch:
Quantity : 2 Off
Rating : 10 A ( 4 A ) 380 VAC (DC)
Contacts : NO / NC
Cable entry : 1 x PG 11.
2.2.11 CO2 - Manifold pressure gauge.
Type : Bourdon Bourdon
Mounting : Direct, Male BSP Bottom. Direct, Male BSP Bottom.
Weight : 0,6 Kg. 0,6 Kg.
Accuracy : +/- 1% Of full scale. +/- 1% Of full scale.
Connection size : 1/2’’ BSP 1/2’’ BSP
Material housing/body : Stainless steel/Brass. Stainless steel/Brass
Dial type : Linear Linear
Dial size : 100 mm 100 mm
Scale range : 0 - 160 Bar 0 – 160 Bar
Indication needle : Single Double
General Description.
CO2-High Pressure Multiple Area Pneumatic
Autronica Fire and Security AS
Page 10
2.2.12 CO2 - Shore connection / Air blowing through valve with check valve
Length : 150 mm
Width : 50 mm
Height : 100 mm
Weight : 1,5 Kg
Valve
Type : Ball valve, full bore.
Pressure rating : PN 160.
Inlet connection : BSP Female
Outlet connection : NPT Male
Dimension : DN 20 (3/4’’)
Material housing : Steel
Material ball and stem : Stainless steel.
Material gasket : Delrin.
Fire safe :
Check valve.
Type : Ball
Material housing : Brass
Material ball : Stainless steel.
2.2.13 CO2 - Manifold relief valve.
Type : Spring return.
Pressure rating : PN 413
Inlet connection : NPT Male
Outlet connection : NPT Female
Dimension : DN 8 ( 1/4’’ )
Material housing : Stainless steel AISI 316
Material bonnet : Stainless steel AISI 316
Material bonnet / seat seal: Viton
Material stem seal : TFE Coated viton
Orifice : 3,6 mm
Width : 41 mm
Height : 98,5 mm
Weight : 0,194 Kg
General Description.
CO2-High Pressure Multiple Area Pneumatic
Autronica Fire and Security AS
Page 11
2.2.14 CO2 - Discharge hose
Description : 1 / 2 Rows 3rd. Row
Length : 350 mm 650 mm
Weight : 0,35 Kg. 0,40 Kg.
Type : DN 15 (1/2’’) High pressure rubber hose.
Pressure rating : PN 100
Bursting pressure : 600 Bar
Inlet connection : W21,8x1/14’’ Female
Outlet connection : 1/2’’ BSP Male
Material hose : Nitril rubber
Material couplings : Steel
2.2.15 CO2 - Pilot hose
Description : Betw. cyls. Betw. rows. Conn. to pilot line
Length : 303 mm 500 mm 350mm
Weight : 0,20 Kg. 0,30 Kg. 0,25kg
Type : DN 10 (3/8’’) High pressure rubber hose.
Pressure rating : PN 100
Bursting pressure : 1000 Bar
Inlet connection : 3/8’’ BSP Male
Outlet connection : 3/8’’ BSP Male
Material hose : Nitril rubber
Material couplings : Steel
Connection to pilot line : ø8mm cutting ring connection (304010.1)
2.2.16 CO2 - Nozzle
Description : DN 15 ( 1/2’’) DN 20 (3/4’’)
Height : 20 mm 22 mm
Across flats ( Hex ) : 25 mm 30 mm
Weight : 0,10 Kg. 0,15 Kg.
Inlet connection : 1/2’’ BSP Male 3/4’’ BSP Male
Material : Brass
2.2.17 Non - Return valve system.
Weight : 1 Kg.
Non - Return valves.
Quantity : 2 Off
Type : Spring return
Material : Steel
Pressure rating : PN 100
Compression fitting.
Type : Single ferule.
Dimension : 8 mm
Material : Steel
Flexible hoses.
Quantity : 2 Off
Length : 303 mm
General Description.
CO2-High Pressure Multiple Area Pneumatic
Autronica Fire and Security AS
Page 12
Type : DN 10 (3/8’’) High pressure rubber hose.
Pressure rating : PN 100
Bursting pressure : 1000 Bar
Inlet connection : 3/8’’ BSP Male
Outlet connection : 3/8’’ BSP Male
Material hose : Nitril rubber
Material couplings : Steel
Bleeder valve.
Dimension : 1/4’’
Inlet connection : BSP Male
Material : Brass
2.2.18 Pressure switch with manual reset.
Type : Pressure
Mounting : Direct, Male BSP.
Weight :
Connection size : 1/2’’ BSP
Material housing : Brass
Material piston : Brass
Pressure class : PN 100
Switch rating : 10 A ( 4A) 380 VAC (DC)
Cable entry : 1 x PG 11
Switch : 1 x NO / 1 x NC
2.2.19 CO2 - Manifold check valve.
Type : Ball
Mounting : Direct.
Weight : 0,15 Kg.
Connection size inlet : 1/2’’ BSP
Connection size outlet : 3/4’’ NPT
Material housing : Brass
Material ball : Stainless steel AISI 304
Material sealing : Nitril rubber O - Ring
Pressure class : PN 100
2.2.20 CO2 - Manifold.
Dimension : DN 20 - DN 100
Socket : 3/4’’ NPT Female.
Flange : DIN 2637 PN 100
Pipe : DIN 2442
Material : St. 35.8 DIN 17175
Pressure class : PN 100
Test pressure : According to class.
Surface treatment : Hot dipped galvanised.
General Description.
CO2-High Pressure Multiple Area Pneumatic
Autronica Fire and Security AS
Page 13
2.2.21 CO2 - Cylinder weighing device.
Scale : 0 - 200 Kg.
Scale dimension :
Material : Steel
Supplied with : Lifting arm.
Chain, l = 1 meter.
CO2 - Cylinder lifting bracket.
Lifting hook.
2.2.22 CO2 - Cylinder weighing device type Kidde Deugra.
Scale : 0 - 200 Kg.
Material : Steel
Supplied with : Lifting arm.
Chain, l = 1 meter.
CO2 - Cylinder lifting bracket.
Lifting hook.
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Autronica CO2 systems User manual

Category
Fire protection
Type
User manual

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