Liquefied Gas Loading

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OPW manufacture a comprehensive range of Top and Bottom loading arms for liquefied gases which are designed to offer maximum flexibility and safety during loading and offloading operations. Typical applications we have worked with are the transfer of LPG, Gas condensate and similar media into Railcars or Tank trucks, with connections made at the rear, side or top.

A set generally consists of a 3”/dn80 product arm and 2”/dn50 vapour arm or for higher throughputs, a 4”/dn100 product arm with 3”/dn80 vapour arm, typically mounted on a common stand post.

Associated components include a shut-off or loading valve, purge-or relief line & safety break away coupler as well as position indication and parking lock.

Coupling systems can be offered to accommodate any customer standard and all OPW LPG sets the unit can be folded together for convenient, compact storage away from the traffic flow.

We appreciate that few applications are ‘standard’ so as with all OPW equipment, we can accommodate a variety of custom applications.

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Features and Benefits

  • Dimensioned to suit customers working envelope
  • Easy to handle, smooth operation
  • Compact storage when not in use
  • Balanced end swivel assembly for easy handling
  • Swivels equipped with grease nipple
  • Durable construction
  • Available in 2” / dn50, 3” / dn80 , 4” / dn100 with ASA or DIN flanges
  • Inverted intermediate swivel and/or inlet  orientation possible
  • Boom arm can be made with upwards or
  • downwards slope
  • Wide range of swivel seal material available
  • Pre-balanced at the factory to minimise installation and commissioning time
  • Alternative materials of construction 316/316L Stainless Steel

 

Standard Materials of Construction – others options available

Inlet swivel                            Carbon steel
Intermediate swivel          Carbon steel
End swivel assembly         Carbon Steel
Swivel seals                           Buna, EPDM, Fluorocarbon, PTFE
Boom arm                              Carbon Steel
Primary arm                         Carbon Steel
End assembly                       Carbon Steel