Suitable for H2
Download Company BrochuresThe Johnston Couplings (also called bayonet couplings or transfer line couplings) enable a separable connection between a vacuum box, or a vacuum container, and a flexible transfer line. The couplings have one or two fluid lines and are vacuum insulated.
In addition to standard couplings, we are also happy to develop and manufacture customised solutions, such as couplings with large nominal diameters, special handling, integrated shut-off solutions or other requirements you may have.
General Technical Specifications:
- Pressure: ≤ 25 BAR
- Temperature: 4.2 to 323 K (-269 to +50°C)
- Nominal Diameter: 6mm to 50mm
- Mounting Direction: Any
WEKA are a market leader in the manufacturing of cryogenic valves and accessories for critical high-tech and R&D applications. The WEKA product portfolio specialises in the regulation and control of gases/fluids, with media temperatures close to absolute zero.
We can help with manual, pneumatic and electric cryogenic valves in shut-off, control and check/non-return designs. Additionally, the product portfolio is completed by high-pressure valves, ejectors and transfer line couplings.
Request a Quote
Why choose Boiswood?
For your WEKA CUSTOM CRYOGENIC JOHNSTON COUPLING
Quality Products & Service Levels
World-class quality products backed by unrivalled service levels. We only partner with the best manufacturers in industry. You can trust in our 35+ years of experience.
Competitive Pricing Structures
Competitively priced products that we strive to keep consistent. We always ensure special pricing structures are considered.
Excellent Delivery Schedules
Attractive lead times that are monitored and managed, ensuring customers receive on-time deliveries. We can also ship our products internationally.
Ultra-Fast Response Times
Tired of chasing for answers? We pride ourselves on our unmatched response times. You can rely on us to provide extremely quick answers to technical and commercial queries.
Free Technical Support
On-going support for our customers to meet any evolving technical requirements. We can help size and specify solutions for even the most bespoke applications.
OEM & Custom Configurations
We sit alongside design teams to specify the right solution for your application, no matter how demanding. Whether it’s out-of-the-box or a custom design, we are up for the challenge.
Tailored Stocking Profiles
Need your products tomorrow? We’ve got you covered with our ever-growing stock profile and product portfolio. We can hold stock for you based on your consumption rates.
Servicing & Assembly Capabilities
Official and manufacturer certified in-house servicing, testing and assembly for our core products, including custom panels and subassemblies.
Read our latest updates
Product & industry news
Meeting you where you want to be met
Get to know us and let us help you
