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The range of single acting cylinder, spring return pipeline valves is designed for high speed actuation from standard pneumatic lines, and are offered in sizes NW10, 16, 25, 40 and 50.
They are available with aluminium or stainless steel bodies with either O-ring (shaft seal Aluminium only) or bellows seal.
The valves are designed for long life duties, with a MTTF of 5,000,000 cycles for both bellows and ‘O’ ring sealed versions providing long intervals between services.
mean‑time-to-failure now 5,000,000 cycles
Electrical and visual indication of valve status
20 ms to close (PV16)
Available in aluminium or stainless steel
Choice of bellows or ‘O’ ring shaft sealing with aluminium bodies
Molecular conductance
Leak rate
Pressure range
Ambient operating temperature
Maximum baking temperature
Weight (Aluminium)
Weight (Stainless Steel)
l/s
mbar l/s
mbar
°C
°C
g
g
PV10PK
3
<1x10-9
1x10-9 to 2100
5-100
100
310
520
PV16PK
4
<1x10-9
1x10-9 to 2100
5-100
100
310
520
PV25PK
10
<1x10-9
1x10-9 to 2100
5-100
100
610
980
PV40PK
40
<1x10-9
1x10-9 to 2100
5-100
100
1500
2300
PV50PK
50
<1x10-9
1x10-9 to 2100
5-100
100
2000
4000
Spectroscopy magazine
