Control systems Control valves
4
PF6_G-BD (Bi-Directional normally closed)
* Maximum differential pressure (port 1 to 2)
* Maximum differential pressure (port 2 to 1)
Pilot pressure
Actuator diameter (mm)
Minimum Maximum
Flow direction (port 1 to 2)
Flow direction (port 2 to 1)
Model
Valve size
mm inches
bar
psi g
bar
psi g bar psi g bar psi g
DN15 - ( ½ ")
under seat
16.0 230
PF6_G-1BD
45
1.77
over seat
16 230
5.0 60
10 150
DN20 - ( ¾ ")
under seat
7.0 100
DN15 - ( ½ ")
under seat
16.0 230
DN20 - ( ¾ ")
under seat
16.0 230
16 230
DN25 - (1")
under seat
11.0 160
PF6_G-2BD
63
2.48
over seat
4.2 61
10 150
DN32 - (1 ¼ ") DN40 - (1 ½ ")
under seat
6.0 87
12 175
under seat
4.0 60
DN50 - (2")
8 115
under seat
2.5 36
DN25 - (1")
under seat
14.0 205
DN32 - (1 ¼ ") DN40 - (1 ½ ")
16 230
under seat
12.0 175
PF6_G-3BD
90
3.54
over seat
3.8 55
8 115
under seat
8.0 115
DN50 - (2")
14 205
under seat
6.0 73
4.1 163
* Notes: 1. Maximum differential pressure for saturated steam service is 11.5 bar g (167 psi g) and 14.5 bar g (210 psi g) for high temperature valve versions. 2. ASME flange connections are limited to ASME 150 pressure rating.
TI-P373-13 CMGT Issue 16
Page 7 of 16
PF6 Stainless Steel Piston Actuated On/Off Valves
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