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Swing Check Valves

Helinor can offer swing type check valves (SCV) from OMB and Vogt for various industrial applications to prevent reverse flow in gas and liquids.

Standard construction (following design codes API6A/API6D/API602) has metal seat to increase the longevity of the product against erosion.

The design can also accommodate Lock Open feature that hold the clapper out of the flow area, allowing for reverse flow through the valve.

Size range
3’’ -30’’ / DN80 - DN750
Pressure rating
150lb-2500lb/PN20- PN420
Design temperature
-196°C to +538°C / -320°F to +1000°F
Materials
Carbon, Alloy and Stainless Steel, Duplex and Super duplex, 254SMO, Aluminum Bronze, Other special alloys.
  • Obturator sealing system soft (PCTFE)
  • Full bore (piggable construction) and reduced port
  • Firesafe design
  • Removable seat
  • Balanced and unbalanced plugs
  • Obturator sealing system Metal to Metal, upon request
  • Lock open
  • Dumper or gearbox available
  • Socket welded (SW)
  • Butt welded (BW)
  • Flanged
  • Threaded
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