Data Sheet
Bulletin 71.2:92C
3
Diaphragm: 302 Stainless steel
Lower Spring Seat
For Type 6492HM: Aluminum
For Type 6492HTM: Steel or Stainless steel
Spring
For Type 6492HM: Steel
For Type 6492HTM: Stainless steel
Upper Spring Seat: Steel
Spring Case: Steel or Stainless steel
Pipe Plug: Steel or Stainless steel
Cast Iron Construction: -40° to 406°F (-40° to 208°C)
Steel Construction: -20° to 500°F (-29° to 260°C)
Ethylenepropylene (EPR) Seat: -40° to 275°F
(-40° to 135°C)
650°F (343°C)
External
Internal
1/4 NPT (internal) in pilot body
(downstream control line not required for
pressure-loaded regulator)
1/4 NPT (internal) in main valve diaphragm
ange (this connection is factory-piped to the pilot
on pilot-operated regulator)
3/32-inch (2,4 mm) drilled hole
20 pounds (9 kg)
16 pounds (7 kg)
1. Also see Installation section
2. Pressure/temperature limits in this Bulletin and any application codes must not be exceeded.
Table 1. Outlet Pressure Ranges
)
)
Standard use up to 500°F (260°C)
5 to 70 (0,34 to 4,8) 1E392627012 Green 0.170 (4,3) 2.00 (50,8)
20 to 150 (1,4 to 10,3) 1E392727142 Red 0.207 (5,3) 1.94 (49,3)
High-Pressure and/or High
Temperature over 500°F (260°C)
15 to 100 (1,0 to 6,9) 14B9941X012 Unpainted 0.192 (4,9)
1.96 (49,8)
80 to 250 (5,5 to 17,2) 14B9940X012 Unpainted 0.282 (7,2)
Table 2. FlowCoefcients
(1)
)
1
k
9/16 (14) 170 8.5 5
34 0.67
3/4 (19) 240 12 7.1
1. C
v
= C
s
x 20 ÷ C
1
Table 3. IECSizingCoefcients
x
T
F
F
x
T
F
F
1/2 (15)
0.73
0.38
0.82
- - - -
3/4 or 1 (20 or 25) 0.44 0.73 0.38 0.82