WEH® Breakaway Coupling TSA1 CNG
The TSA1 CNG breakaway coupling offers additional safety for your car fueling station. The breakaway is installed between the dispenser and the filling/venting hose.
In the event of accidental deployment, e.g. driving a vehicle from the dispenser with the nozzle remaining in the vehicle fuel port, the coupling will separate the connections between dispenser and hose sealing both ends. This protects largely the receptacle, the fueling nozzle and the dispenser against damage. The detached coupling can be easily reattached and placed back in service after having been function tested.
The breakaway device consists of a coupling body, a receptacle insert and a gas recirculation with check valve. The breakaway is also available without gas recirculation.
We recommend to use breakaways with integrated filter. The filter provides clean natural gas and is easy to maintain. Of course we also offer breakaway couplings without filter.
The breakaway device consists of a coupling body, a receptacle insert and a gas recirculation with check valve. The breakaway is also available without gas recirculation. A dispenser mounting is available as an accessory.
Refueling kits are also available. They consist of a fueling nozzle, hose set, tear-off protection, fuel pump holder, and data cable.
Please inquire for more information.
Technical Nominal Size | 8 mm |
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Pressure Range | PN = 200 bar (3,000 psi) | PS = 300 bar<br />PN = 250 bar (3,600 psi) | PS = 350 bar |
Break force | 222 - 660 N |
Temperature Range | -40 °C up to +85 °C |
Material | Corrosion resistant stainless steel, aluminium |
Sealing Material | Natural gas resistant |
Design | With gas recirculation and filter (40 μm) |
- Check valve at venting line
- Installation at the dispenser
- Integrated cleanable filter (40 μm)
- No additional tool necessary
- Reusable without factory servicing
- Small compact design
- Version with or without gas recirculation
Breakaway coupling for CNG car fueling stations for installation between the dispenser and the filling/venting hose.

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