Soft-start, pneumatically operated, valves with interchangeable orifices for the controlled pumpdown of processes where turbulent flow can cause problems with particulate contamination.
Technical data | |
Valve actuation type | Single acting, pneumatically opened, spring closed |
Pressure range | 1 x 10-9 to 2100 mbar |
8 x 10-10 to 1575 Torr | |
Maximum pressure differential | |
Opening | 1000 mbar / 750 Torr |
Closing | 2100 mbar / 1575 Torr |
Leak rate | 10-9 mbar ls- 1 |
10-10 Torr ls- 1 | |
Pneumatic connector | Rp 1/8 ( 1/8 inch BSP)* |
Pneumatic operating pressure | 2.8 to 4.2 bar / 41 to 61 psi |
Electrical indicator | Single microswitch |
Microswitch electrical rating | 24 V, 1.5 A a.c. or d.c. |
Max cycle frequency | 900 h-1 |
Bellows reliability, MTTF | 5000000 cycles |
Ambient operating temperature | 5 - 100 °C |
Maximum baking temperature | 100 °C |
Construction materials | HE30TF aluminum |
O-ring | Fluoroelastomer |
Time to open/close at 4 bar (ms) | SIPV40P |
Slave valve | 60/20 |
Master valve | 50/155 |
Weight (g / oz) | |
SIPV40P | 1760 / 62 |
* With optional control valve fitted