Data Sheet

Bulletin 71.2:92B
4

This section lists the specications for the Type 92B Pressure Reducing Valve. The following information is
stamped on the nameplate of Type 92B: Type Number, Maximum Outlet Pressure, Maximum Inlet Pressure and
Maximum Temperature.

Pilot-operated globe-style pressure reducing valve
with post guiding and flow-to-close valve plug action.

See Table 1

(1)
See Table 3


(1)
20 psig / 1.4 bar with Stainless steel spring;
10 psig / 0.69 bar with Inconel
®
spring

150 psig / 10.3 bar or body rating limits,
whichever is lower
 300 psig / 20.7 bar or body
rating limits, whichever is lower

(1)
See Table 2

See Table 5

See Table 6

External

(1)
See Table 3

 1/4 NPT
3/8 NPT
 1/2 NPT

See Table 7

 
Body, Bottom Flange, Diaphragm Case and
Diaphragm Plate: Cast iron, WCC Steel or CF8M
Stainless steel

 
Bottom Flange Gasket: Cast iron: Composition;
Steel/Stainless steel: Graphite
Diaphragms: Stainless steel
Valve Plug: 410 or 416 Stainless steel
Seat Ring: 416 Stainless steel ,
316 Stainless steel (seal weld option)
Valve Plug Guide Bushing: 17-4PH Stainless steel
Spring: 17-7PH Stainless steel or Inconel
®
Bleed Orice Fitting: 416 Stainless steel
Pipe Fittings: Steel or Stainless steel

Cast iron: Copper tubing and brass ttings
Steel Body: Stainless steel tubing and corrosion
resistant steel ttings
Stainless steel Body: Stainless steel tubing
and ttings

Body and Spring Case: Cast iron, WCC steel,
CF8M Stainless steel
Diaphragm Plate Assembly: Aluminum, Steel and
Stainless steel
Diaphragm Gasket: Cast iron: Composition;
Steel/Stainless steel: Graphite
Diaphragm, Valve Guide, and Valve Spring:
Stainless steel
Valve Stem and Orice: 416 Stainless steel
Bellows and Bellows Retainer: Bronze 
or 321 Stainless steel (high temperature/Stainless
steel pilot construction)
Spring: Steel for standard spring and Stainless
steel for high temperature spring
Upper Spring Seat: Plated steel for standard
construction and Stainless steel for high
temperature spring
Lower Spring Seat: Aluminum or Carbon steel
Screen: 304 Stainless steel
Check Valve Assembly: Stainless steel internal
with copper housing or all Stainless steel
1. The pressure/temperature limits in this Bulletin or any applicable standard limitation should not be exceeded.
Inconel
®
is a mark owned by Special Metals Corporation.