müller coax group

Cryogenic Valves

KB 20

KB 20
Data Sheets
General Operating Manual
ports threads G 1/2
function NC
pressure range
KV value
media gaseous  liquid 
flow direction A B as marked
switching cycles 150 1/min
switching time opening 120 ms
closing 270 ms
media temperature < -21 °C / -196 °C
ambient temperature < -21 °C / -196 °C
weight 3,5 kg
nominal voltage Un 24 V DC +5% / -10%
Un 230 V 40-60 Hz AC +5% / -10%
actuation DC direct-current magnet
AC direct-current magnet with integrated rectifier
insulation rating H 180 °C
protection IP65
energized duty rating ED 100%
connection terminal box M16x1,5

The valves' technical design is based on media and application requirements. This can lead to deviations from the general specifications shown on the data sheet with regards to the design, sealing materials and characteristics.


Cryogenic Valves