
Type SR8
2
Specications
Body Size, Inlet and Outlet Connection Style
1/2, 3/4, 1, 1-1/2, 2, and 3
(DN 15, 20, 25, 40, 50 and 80)
End Connection
(4)
Tri-Clamp ® Sanitary connections
Body Pressure/Temperature Ratings
(1)
MAXIMUM
TEMPERATURE ,
°F (°C)
MAXIMUM INLET
PRESSURE,
PSIG (bar)
MAXIMUM OUTLET
PRESSURE,
PSIG (bar)
150 (65) 210 (14,5) 210 (14,5)
275 (135) 180 (12,4) 180 (12,4)
400 (204) 160 (11) 160 (11)
Maximum Operating Pressures
(1, 3)
See Table 1
Set Pressure Ranges
See Table 2
Maximum Differential Pressures
(1)
See Table 3
Regulator Temperature Capabilities
(1)
See Table 4
Pressure Registration
Internal
Service Media
Steam, Gas, and Liquid
Options
Vacuum protection
Pressure loaded spring case
T-handle adjusting screw
Pressure Loaded Spring Case Option
Maximum Loading Pressure
1/2 through 1-1/2-inch (DN 15 through 40) body:
125 psig (8,62 bar)
2 and 3-inch (DN 50 and 80) body:
60 psig (4,14 bar)
1/4-inch NPT tapped vent connection
Vacuum Protection Option
Maximum Vacuum Pressure
14 psig (0,96 bar) (vacuum)
Certications Available upon Request
3A certicate
FDA approved elastomers/plastics
Material and Functional Test Certicates
USP Class VI approved elastomers/plastics
(2)
1. The pressure/temperature limits in this manual and any applicable standard or code limitation should not be exceeded.
2. Contact your Fisher Sales Representative for details on available constructions.
3. Maximum pressure to prevent damage to internal parts and leakage to atmosphere.
4. End connection clamps and gaskets to be supplied by the user.
Table 1. Maximum Operating Pressures
BODY SIZE,
INCHES (DN)
MAXIMUM TEMPERATURE,
°F (°C)
MAXIMUM INLET PRESSURE,
PSIG (bar)
MAXIMUM OUTLET PRESSURE,
PSIG (bar)
1/2, 3/4, 1, 1-1/2
(15, 20, 25, 40)
150 (65) 210 (14,5) 210 (14,5)
275 (135) 180 (12,4) 180 (12,4)
400 (204) 160 (11) 160 (11)
2 and 3
(50 and 80)
150 (65) 150 (10,3) 150 (10,3)
275 (135) 125 (8,62) 125 (8,62)
400 (204) 110 (7,58) 110 (7,58)
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