Body Sizes and End Connection Styles
SIZE
BODY MATERIAL
Gray Cast Iron
Steel or CF8M Stainless Steel
NPS 1/2, 3/4 or 1 /
DN 15, 20 or 25
NPT
NPT, CL150 RF, CL300 RF
or PN 16/25/40
Maximum Allowable Inlet and Pilot
Supply Pressures
(1)
Gray Cast Iron Construction:
250 psig / 17.2 bar
Steel and Stainless Steel Construction:
300 psig / 20.7 bar
Regulator Pressure Drops
(1)
Minimum:
15 psi / 1.0 bar
Maximum Operating:
150 psi / 10.3 bar for
outlet pressure settings equal to or below
50 psig / 3.4 bar; 200 psi / 13.8 bar for outlet
pressure settings above 50 psig / 3.5 bar
Maximum Emergency
Gray Cast Iron construction:
250 psi / 17.2 bar
Steel and Stainless Steel construction:
300 psi / 20.7 bar
Outlet Control Ranges
See Table 1
Maximum Outlet Pressures
(1)
Maximum Operating Outlet Pressure:
150 psig / 10.3 bar
Maximum Emergency Outlet (Casing) Pressure
Gray Cast Iron construction:
250 psig / 17.2 bar
Steel and Stainless Steel construction:
300 psig / 20.7 bar
Loading Pressure for Pressure-Loaded Regulator
(1)
See Figure 2 to determine loading pressure.
Maximum allowable loading pressure is 250 psig /
17.2 bar for gray cast iron construction and
300 psig / 20.7 bar for steel or stainless steel
construction; the maximum allowable diaphragm
differential pressure of 150 psi / 10.3 bar
for gray cast iron, steel and stainless steel
constructions must not be exceeded.
1. Pressure/temperature limits in this Instruction Manual and any applicable code limitations must not be exceeded.
Orifice Sizes
NPS 1/2 / DN 15 Main Valve:
9/16 in. / 14 mm
NPS 3/4 and 1 / DN 20 and 25 Main Valves:
3/4 in. / 19 mm is
standard
; 9/16 in. / 14 mm
is optional
Maximum Material Temperature Capabilities
(1)
Gray Cast Iron Construction:
406°F / 208°C
Steel and Stainless Steel Construction:
500°F / 260°C
Optional High-Temperature Steel or
Stainless Steel Body:
650°F / 343°C
Pressure Registration
With Pilot:
External
Without Pilot:
Internal
Downstream Control Line Connection
1/4 NPT (internal) in pilot body (downstream
control line not required for pressure-
loaded regulator)
Loading Pressure Connection
1/4 NPT (internal) in main valve diaphragm flange
(this connection is factory-piped to the pilot on
pilot-operated regulator)
Pilot Spring Case Vent
3/32 in. / 2.4 mm drilled hole
Approximate Weights
Gray Cast Iron, Steel or Stainless Steel Body
with Pilot:
20 lbs / 9.1 kg
Gray Cast Iron, Steel or Stainless Steel Body
without Pilot:
16 lbs / 7.3 kg
Specifications
This section lists the specifications for Type 92C regulator. Additional specifications for an individual regulator are
found on the regulator body and pilot nameplates.
2
Type 92C
