WEH® Breakaway Coupling TSA1 H₂
The WEH® TSA1 H2 Breakaway coupling offers additional safety for your car fueling station. The breakaway is installed between the dispenser and the filling hose or dispenser and filling/venting hose.
In the event of unexpected tensile forces, e.g. a vehicle driving away with a connected fueling nozzle, the breakaway separates the connections between dispenser and hose(s) in a controlled manner while sealing both ends. Damage to the vehicle‘s receptacle, the fueling nozzle and the dispenser can thus be prevented as far as possible. The breakaway coupling can be reused after a functional test. The integrated filter cleans the hydrogen from dirt ingress and can be cleaned easily and quickly during maintenance.
The WEH® TSA1 H2 Breakaway coupling consists of a coupling body, a receptacle insert and, depending on the version, of a gas recirculation with check valve. A dispenser mounting is available as an accessory. For fueling nozzle with data interface, the TSA1 H2 is also available with a data cable that can be mounted on the mounting.
Refueling kits are also available. They consist of a filling nozzle, hose set, tear-off protection, fuel pump holder, and data cable.
Please inquire for more information.
Nominal bore (DN) | 8 mm |
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Technical Nominal Size | 7 mm |
Max. allowable operating pressure PS | MAWP = 45 MPa according to ISO 19880-1 (PS = 450 bar) |
Nominal Pressure PN | 35 MPa |
Break force | 222 - 667 N |
Temperature Range Media | -20 °C up to +85 °C |
Temperature Range Ambient | -40 °C up to +85 °C |
Media Inlet | G1/2" male thread |
Material | Corrosion resistant stainless steel, aluminium |
Sealing Material | Hydrogen resistant |
Design | With gas recirculation and filter (20 μm) |
- Check valve at venting line
- Installation at the dispenser
- Integrated cleanable filter (20 μm)
- No additional tool necessary
- Reusable without factory servicing
- Small compact design
Breakaway coupling for H2 car fueling stations for direct installation at the dispenser.

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