Diaphragm low pressure line valve - VM20
Equipment for gas systems > Speciality Gas Equipment > O-ring and diaphragm line valves
Key advantages
  • Hastelloy® diaphragm for tightness and gas compatibility
  • 3 versions available : «Straight», «Right-angle» and «Wall-mounted»
  • O2 application compatible
  • Many inlet /outlet fittings available
Specifications
Seat sealPCTFE / EPDM
O-ringEPDM - Standard / FPM
Bottom taperedOK
DiaphragmHastelloy®
Weight± 0,95 kg
Leak rate10-8 M bar l/s
Temperature range-20 to +50 °c
Seat orifice sizeØ 4 Mm
Flow coefficientCv 0.14 / Kv 0,12
Inlet pressure50 bar
PortsG3/8 (inlet/outlet) Oxygen use
Oxygen useBrass: OK / Stainless steel: only E / M versions with side inlet
Dimensional drawings
Product Configurator
 
Body material
Version
End connections
O-ring material
Handwheel
V
LM20
E
G
EPDM
1/4
 
Downloadable catalogs, brochures
  • Pressure Regulators Catalog
    Last update: May 25, 2021
    Available in: en/fr/de
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