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Globe valve for oxygen pipelines - R374
R374 is a globe valve with body, bonnet and most of the internal parts made of copper aluminum. It is particularly suited for pressure equalization across on isolation gate valve. Used as bleed, shut off or line valves for consignment of secondary by-pass systems. The valve is designed for combustive gases, pure gases and oxidizing gases and can be actuated by a manual handwheel a pneumatic actuator.
Key advantages
  • One direction shown by an arrow
  • Leakage class IV-1
  • Pressure up to 100 bar
  • Oil free standard
  • Minimum pressure losses under medium pressure
  • Small diameter of flange of seat
Specifications
Operating press. range (ps)0 to 100 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 diameter020 to 032 Mm
Material (envelope)Copper-Aluminium (CuAl)
Material (o-ring)FPM
Material (seat/guiding)PCTFE
Electrical conductivityCopper braid between shutter and body
Production testsIndividual tests (hydraulic at 150 bars leaktightness at 110 bars)
Manual actuationHandwheel
Pneumatic actuationDouble acting or single acting actuator (autopneumatic)
DimensionsDN20 (see comment) to DN32
Face and finishRF (Raised Face), FF (Flat Face), Ring Type Joint (RTJ) Other on demand
Dimensional drawings
Drawing
Product Configurator
type
Actuator
Diameter number (dn)
0seat
Pressure number (pn)
Flange type
material
R374
MS
20
20
100
FF
CU AL
 
Downloadable catalogs, brochures
  • Download
    Merobel Valves and Regulators
    Last update: May 17, 2021
    Available in: en
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