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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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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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)
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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  • 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

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