Types 95H, 95BH, and 95HD
D100256XENG
Installation Guide
English – May 2002
www.FISHERregulators.com
1. The pressure/temperature limits in this installation guide and any applicable
standard or code limitation should not be exceeded.
Introduction
This installation guide provides instructions for installation, startup,
and adjustment. To receive a copy of the instruction manual,
contact your local Fisher Sales Office or Sales Representative
or view a copy at www.FISHERregulators.com. For further
information refer to:
Type Type 95L and 95H instruction manual (form 1151,
D100256X012), Type 95B instruction manual (form 5490,
D102669X012), or Type 95LD and 95HD instruction manual (form
1396, D100257X012).
P.E.D. Categories
This product may be used as a safety accessory with pressure
equipment in the following Pressure Equipment Directive 97/23/
EC categories. It may also be used outside of the Pressure Equip-
ment Directive using sound engineering practice (SEP) per table
below.
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Specifications
Available Constructions
95H: Pressure reducing regulator suitable for
controlling gasses and liquids. DN 8, 15, 20, 25, 40 and 50
(1/4, 1/2, 3/4, 1, 1 1/2, and 2-inch) body sizes are available
in cast iron/ductile iron, steel, or stainless steel.
95BH: Bronze version of Type 95H. Not available in
DN 8 (1/4-inch) body size.
95HD: Differential pressure version of the Type 95H.
Maximum Inlet and Outlet Pressures
(1)
Cast Iron/Ductile Iron: -
NPT
: 17,2 bar (250 psig)
Steel:
ANSI Class 150 RF:
19,7 bar (285 psig)
Stainless Steel:
ANSI Class 150 RF:
18,9 bar (25 psig)
Steel and Stainless Steel
NPT, ANSI Class 300 and 600 RF, DIN PN 10/40 RF,
or SWE
: 20,7 bar (300 psig)
Bronze: 24,1 bar (350 psig)
Proof Test Pressure
All Pressure Retaining Components have been proof tested
per Directive 97/23/EC - Annex 1, Section 7.4
Outlet Pressure Ranges
(1)
DN 8, 15, 20, and 25 (1/4, 1/2, 3/4, and 1-inch):
1,0 to 2,1 bar (15 to 30 psig), 1,7 to 5,2 bar (25 to 75 psig),
and 4,8 to 10,3 bar (70 to 150 psig)
DN 40 and 50 (1-1/2 and 2-inch):
0,34 to 5,5 bar (5 to 80 psig), 4,1 to 8,3 bar (60 to 120 psig),
6,9 to 9,7 bar (100 to 140 psig),
and 8,3 to 10,3 bar (120 to 150 psig)
Temperature Capabilities
(1)
Elastomer Parts
Nitrile/Neoprene:
-40 to 82°C (-40 to 180°F)
Fluoroelastomer:
-18 to 149°C (0 to 300°F) hot water
limited to 82°C (180°F)
Ethylenepropylene
: -40 to 149°C (-40 to 300°F)
Teflon (PTFE)
: -198 to 232°C (-325 to 450°F)
Perfluoroelastomer
: -29 to 232°C (-20 to 550°F)
Metal Parts
Cast Iron/Ductile Iron
: -40 to 208°C (-40 to 406°F)
Steel and Stainless Steel
: -29 to 232°C (-20 to 450°F)
Bronze and Brass
: -198 to 177°C (-325 to 350°F)
Installation
Only qualified personnel should install or service
a regulator. Regulators should be installed,
operated, and maintained in accordance with
international and applicable codes and regulations,
and Fisher instructions.
If the regulator vents fluid or a leak develops in
the system, it indicates that service is required.
Failure to take the regulator out of service
immediately may create a hazardous condition.
Personal injury, equipment damage, or leakage due
to escaping fluid or bursting of pressure-containing
parts may result if this regulator is overpressured
or is installed where service conditions could exceed
the limits given in the Specifications section, or where
conditions exceed any ratings of the adjacent piping
or piping connections.
To avoid such injury or damage, provide pressure-
relieving or pressure-limiting devices (as required
by the appropriate code, regulation, or standard) to
prevent service conditions from exceeding limits.
Additionally, physical damage to the regulator
could result in personal injury and property damage
due to escaping fluid. To avoid such injury and
damage, install the regulator in a safe location.
Clean out all pipelines before installation of the regulator and check
to be sure the regulator has not been damaged or has collected
foreign material during shipping. For NPT bodies, apply pipe
compound to the male pipe threads. For flanged bodies, use suitable
line gaskets and approved piping and bolting practices. Install the
regulator in any position desired, unless otherwise specified, but be
sure flow through the body is in the direction indicated by the arrow
on the body.
Note
It is important that the regulator be installed so that the
vent hole in the spring case is unobstructed at all times.
For outdoor installations, the regulator should be located
away from vehicular traffic and positioned so that water,
ice, and other foreign materials cannot enter the spring
case through the vent. Avoid placing the regulator
beneath eaves or downspouts, and be sure it is above
the probable snow level.
Overpressure Protection
The recommended pressure limitations are stamped on the regulator
nameplate. Some type of overpressure protection is needed if the
actual inlet pressure exceeds the maximum operating outlet pressure
rating. Overpressure protection should also be provided if the
regulator inlet pressure is greater than the safe working pressure
of the downstream equipment.
Regulator operation below the maximum pressure limitations does not
preclude the possibility of damage from external sources or debris in
the line. The regulator should be inspected for damage after any
overpressure condition.
Startup
The regulator is factory set at approximately the midpoint of the
spring range or the pressure requested, so an initial adjustment may
