Tank loading couplings

LPG REGO® Unions & Adaptors

Generally used for cold temperature and gaseous fluids, the LPG REGO® unions & adaptors provide a safe, quick and efficient connection onto LPG trucks for domestic supply (butane / propane) and are also used on loading arms and any rotating piping systems.


Process and Design  

The REGO® union is similar to hammer union but the nut is attached to the female sub.
The nut is grooved for "Key Fore" wrench make up. 1 3/4" and 3 1/4" ACME
Union thread available. Union subs are available for several pipe assembly:
NPT or BSP threaded or Buttweld (sch.40).

Size & Rating:

  • For pipes 1" and 2".
  • Pressure rating: Up to 50 bar (725 psi).
  • Temperature rating: - 46°C to 80°C.


Carbon steel A350 LF2 (other on request).

LPG REGO® unions & adaptors

O-ring seal:

The O-ring seal provides many advantages:

  • Better sealing than a flat gasket.
  • No seal loss while disconnecting.

Seal material: Buna (other material on request).



Adaptors between REGO® union and other connections are available as follow:

REGO® x Wing union.

REGO® x Flange (ANSI, DIN, ISO).

REGO® x reduced REGO®.