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Check Valve Spools

The check valve spool is designed to hold back the product in the loading arm so that the pipework will not drain when the API coupler is opened.

Features & Benefits
  • Can be used to avoid product contamination.
  • Prevents pilfering by drainage of the drop hose section.
  • Product flow through the loading arm opens the poppet inside the check valve spool.
  • The poppet starts to open at 40kPa (5.8 PSI) against the pre-set spring.
  • Can be fitted with a sightglass to show presence of product.
  • 2 drain bosses have been incorporated into the valve.
Technical Information

Materials
Aluminium body, poppet and spider.
Stainless steel spring & high-tensile steel shaft.
Viton product seal.
Brass drain plugs and over pressure valve.

Opening pressure in flow direction
 45kPa (6.5 PSI)

Over pressure in non-flow direction
30kPa (4.5 PSI) (emergency relief in reverse direction to allow for thermal expansion).

Weight
4.0 kg (8.8lb)

Ordering Information

CVS110: 4" Check Valve Spool for load arms.

CVS110Z: 4" Check Valve Sppol kit for load arms c/w gasket and mounting fasteners.

CVS100SGZ: Check Valve Spool kit for Load arms c/w with gasket, mounting fasteners and flanged sightglass.

Associated Equipment

VSA4: 4" loading arm coupler spool (15o angle).

VSS4: 4" loading arm coupler spool (straight spool).

BF4-SG-40: 4" Acrylic sightglass 40 thickness.

 

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