Data Sheet

Bulletin 71.2:92C
2

 1/2, 3/4, 1 NPT
 NPS 1/2, 3/4, or 1
(DN 15, 20, or 25) NPT; CL150 RF; CL300 RF;
or PN 16/25/40


(1)
 250 psig (17,2 bar)
 
300 psig (20,7 bar) 

(1)
 15 psi (1,0 bar)
  Do not exceed the
pressure drops in the capacity tables 
 

Cast Iron Construction: 250 psi (17,2 bar)
Steel and Stainless steel Construction:
300 psi (20,7 bar)

 See Table 1



 150 psig (10,3 bar)
 
Cast Iron Construction: 250 psig (17,2 bar)
Steel and Stainless steel Construction:
300 psig (20,7 bar)


See Figure 5 to determine loading pressure.
Maximum allowable loading pressure
(2)
is 250 psig
(17,2 bar) for cast iron construction and 300 psig
(20,7 bar) for steel and stainless steel construction;
the maximum allowable diaphragm differential
pressure of 150 psi (10,3 bar) for cast iron,
steel, and stainless steel constructions must
not be exceeded

 9/16-inch (14 mm) 
 
3/4-inch(19 mm) is standard; 9/16-inch
(14 mm) is optional

See Capacity Information section

See Tables 2 and 3

10%


 
Main Valve Body and Diaphragm Flange: Cast
iron, Steel, or Stainless steel
 OriceandValveStem:Heat-treated 416
Stainless steel
Main Valve Plug (Metal Seat Construction):
Heat-treated 416 Stainless steel
Main Valve Disk and Disk Holder (Elastomeric
Seat Construction) Disk: Ethylenepropylene (EPR)
Disk Holder: Heat-treated 416 Stainless steel
Main Valve Diaphragms and Valve Plug Springs:
Stainless steel
Stem Guides: Heat-treated 416 Stainless steel
Main Valve Plug Guides
Cast Iron Construction: Brass
Steel Construction: Heat-treated 416 Stainless steel
 
Pilot Body and Pilot Spring Case: Cast iron, Steel,
or Stainless steel
Pilot Valve Plug (Metal Seat Construction):
Heat-treated 416 Stainless steel
Pilot Valve Disk and Disk Holder (Elastomeric Seat
Construction) Disk: Ethylenepropylene (EPR)
Disk Holder: Heat-treated 416 Stainless steel
Pilot Diaphragms: Stainless steel
Pilot Stem Guides: Heat-treated 416 Stainless steel
Pilot Valve Plug Guides
Cast Iron Construction: Brass
Steel Construction: Heat-treated 416 Stainless steel
Pilot Control Spring: 416 or 17-7PH Stainless steel
Pilot Inlet Screen: Stainless steel
Loading Pressure Tubing: Copper (used for pilot
operated regulator only) or Stainless steel
Pilot Fittings: Brass or Stainless steel
Pilot Supply Line: Steel pipe nipple
 
 
Pilot Valve Body: WCC steel and CF8M
Stainless steel
Valve Guide
For Steel Body: 416 Stainless steel
For Stainless steel Body: 316 Stainless steel
Valve Spring: 302 Stainless steel
 Orice
For Steel Body: 416 Stainless steel
For Stainless steel Body: 316 Stainless steel
Valve Stem
For Steel Body: 410/416 Stainless steel
For Stainless steel Body: 316 Stainless steel
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