Non-return valves for oxygen pipelines - CAR967
CAR967 is a non-return valve with body and internal parts made of copper-aluminum dedicated to oxidizing gas systems such as oxygen or neutral gas system. It prevents back-flow to the upstream section. The non-return valve is designed for combustive gases.
Key advantages
  • One direction shown by arrow
  • Leakage class IV-1
  • Pressure up to 40bar
  • Oil free standard
  • Minimum pressure losses under medium pressure
Operating press. range (ps)0 to 40 bar
Operating temp. range (ts)-20 to +60 °c
Direction of flowOne direction as shown by the arrow on the valve body
InstallationAll positions
Lackage classTaux A (acc. to EN 12266-1) or IV-1 (acc. to DIN3230 STD)
Seat diameter052, 092, 0160 and 0220 Mm
Material (envelope)Copper-Aluminium (CuAl)
Material (o-ring)FPM
Material (seat/guiding)PCTFE
Electrical conductivityThrough a back spring inside the non return valve
Production testsIndividual tests (hydraulic at 150 bars leaktightness at 110 bars)
DimensionsDN80 to DN350
Face and finishRF (Raised Face), FF (Flat Face), Ring Type Joint (RTJ) Other faces and finish on request
Dimensional drawings
Product Configurator
Diameter number (dn)
Pressure number (pn)
Flange type
Downloadable catalogs, brochures
  • Download
    Merobel Valves and Regulators
    Last update: May 17, 2021
    Available in: en
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