The IPVMK is a quick acting, bellows sealed, right-angled lever operated valve and is available with either an Aluminium or stainless steel body. The lever, connected to a self lubricating plastic cam‑piston, actuates the valve stem and valve plate through PTFE bearings. The valve plate O-ring groove is vented to prevent gas bursts. The valves are designed to operate down to 10⁻⁹ mbar and up to a pressure of 2100 mbar (30 psi).
Molecular conductance
Operating pressure range
Reliability MTTF
Maximum baking temperature
Weight (Aluminium)
Weight (Stainless Steel)
Units
l/s
mbar l/s
operations
°C
g
g
IPV16MK
2
<10-9
100000
100
180
500
IPV25MK
6
<10-9
100000
100
490
1050
IPV40MK
22
<10-9
100000
100
1400
3300
Spectroscopy magazine