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Series HG

Refuelling system for hydrogen gas (700 bar / 10.000 psi Technology)

For refuelling vehicles with high-pressure gaseous hydrogen, WALTHER-PRÄZISION offers its specially designed system. Major components of this system are the fuel nozzle, the emergency release coupling and the "dry connect" parking station.

HG-004

Features Type HG-004

High pressure refuelling coupling

Type:
Type HG-004

Nominal bore:
4 mm

Working pressure:
up to 875 bar / 10,000 psi) (SAE Standard J2600)

Media:
gaseous hydrogen

Materials:
stainless steel 1.4404 / 1.4571 or similar

Special features / Options:
first coupling worldwide for fuelling of automobiles with new safety type locking system in push-pull technology

HG-006

Features Type HG-006

High pressure emergency-release coupling

Type:
HG-006

Nominal bore:
6 mm

Working pressure:
up to 875 bar (SAE Standard J2600)

Media:
gaseous hydrogen

Material:
stainless steel 1.4404 / 1.4571 or similar

Special features / Options:
first coupling unit worldwide which separates the line without being damaged at a working pressure of 875 bar.

Notice
Notice

Please urgently seek for advice in the following cases:
• Coupling/uncoupling under residual pressure
• Pulsating pressures
• Use of non-lubricating media
• Temperature-sensitive processes
• Interface reduction
• Special requirements for cleanliness
• Specific certifications
• Non-movable head of liquid
• Highly viscous media
• Optimization of flow rate