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Technical details Leakage Control systems Control valves
TFM 1600 soft seal
ASME Class VI
Flow characteristic
Fast opening
On/off
PF6_G-NC
Flow over seat
Port 1 to 2
PF6_G-NO
Flow under seat
Port 2 to 1
Flow direction
Flow over seat
Port 1 to 2
PF6_G-BD
Flow under seat Port 2 to 1 Pilot media Instrument air or inert gases - For use with other flow media contact Spirax Sarco 60 °C (140 °F)maximum Actuator rotation 360 °
Pilot connection
Maximum pilot pressure NC & BO NO
Actuator type and size
Type 1 = 45 mm (1.77")diameter
" BSP
10 bar g (145 psi g) 10 bar g (145 psi g)
Type 2 = 63 mm (2.48") diameter Type 3 = 90 mm (3.54") diameter
¼ " BSP
10 bar g (145 psi g) 8 bar g (116 psi g)
¼ "BSP
8 bar g (116 psi g)
8 bar g (116 psi g)
Kvs values Size
4.1 160
DN15 ½"
DN20 ¾"
DN25 1"
DN32 1¼"
DN40 1½"
DN50 2"
Kvs
4.5
8.0
15.6
24.6
42.0
57.0
For conversion: Cv (UK) = Kv x 0.963 Cv (US) = Kv x 1.156
TI-P373-13 CMGT Issue 16
Page 4 of 16
PF6 Stainless Steel Piston Actuated On/Off Valves
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