Sceptre Power Sdn Bhd
No. 49, Jalan TS 6/5,
Taman Industri Subang,
47510 Subang Jaya,
Selangor, Malaysia.
+603-8011 6618

Vapor Coupler - J0550

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Vapor Coupler - J0550 Dry Break Marine Break-Away Coupling
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Our J0550 self sealing Vapor Coupler is specifically designed to allow high transfer rates of vapor to flow freely from the tank truck back to the loading rack.

The J0550 has the lowest pressure drop in its class. It will allow higher flow rates at reduced pressure drop when incorporated into a well engineered vapor return system, preferably as an integral part of a vapor unloading arm.

The J0550 has a spring-closed poppet. Coupling to a tank truck vapor adapter with a poppet will open both coupler and adapter. Remove the coupler and both will close.

Ideal for use in a well engineered vapor system where multi-compartment bottom loading is taking place.


  • Self-sealing valve
  • Spring close poppet
  • Low pressure drop
  • Highest flow
  • 4" TTMA flanged inlet
  • 4" Female cam and groove outlet
  • Mates to all available vapor adapters made in accordance with the API RP1004
  • Aluminum body
  • VIton seals
  • Hard wearing brass cams
  • Product drain plug
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