LNG

Vent/fill breakaway couplings for LNG fuelling accident prevention

Vent/fill breakaway couplings are crucial devices to ensure fuel dispensing safety by preventing pull-away accidents and eliminating the associated spillage. The breakaway coupling are small units to be installed between the LNG dispenser and the fuelling hoses

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Product description

The break-away couplings are designed to be the weak link in LNG dispensing systems with an engineered breaking point to minimise damage.

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Material

Housing: 304 stainless steel ASME SA479
Housing: Brass ASTM B16
Poppet: Brass ASTM B16
Spring: 302 stainless steel
Guide: Brass ASTM B16
Hose adapter: 304 stainless steel ASME SA479

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Specifications

Gas types: LNG (Liquefied Natural Gas)
Connections: Thread
Type: 45˚ SAE (CGA440)
Internal pressure (during fueling): Max. 20.7 bar (300 psi)
System pressure (static): Max. 38 bar (550 psi)
Capacity:
Fill breakaway: 189.27 lpm (50 gpm)
Vent breakaway: 37.8 lpm (10 gpm)
Temperature range: -206˚C to +60˚C (-340˚F to +140˚F) 
Sizes and range: 5/8"
Series available: LNG specific, VFL series
Standards: ATEX, CE, ISO 12617, ISO 16924

*Materials and specifications are subject to generalisation. Our experienced people are ready to help you find the correct fit for your application. 

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Features

  • Internal relief system
  • Enhances safety
  • Positive automatic shut-off

Did you know?

There are also vent-side breakaways to be installed between dispenser and vent hose

Get in touch!

Whether you already know what you need, or you would like the opinion of an expert, we are always ready to help you out.