Filling diving cylinders – easier than ever.
It was specifically developed for the diving industry — for fast, ergonomic, and safe filling of diving cylinders, even under demanding conditions.
On the coast, on a boat, or at the filling station — this quick connector works wherever you need it.
Screwing is a thing of the past.
Just click with the WEH® Dive Connector
Your benefits — noticeable with every fill
Save time with every move:
Connected in under 5 seconds — no screwing required
Intuitive operation:
Plug in, flip the lever — done. No tools. No force.
Reliability you can trust:
Saltwater-resistant and made from oxygen-compatible materials.
Built for tough everyday use:
Durable even under high workloads and frequent cylinder changes.
Integrated safety features:
Locking under pressure is prevented by an integrated safety mechanism.
Engineering with experience:
Based on the proven WEH® Jaw Locking Mechanism — trusted by fire departments and the military for over 50 years.
See the difference: efficiency that pays off
Feature
Conventional threaded connection
WEH Dive Connector
Connection time
30 - 60 seconds
< 5 seconds
Ergonomics
Physically demanding to screw on
Click & done
Material durability
Corrosion-resistant
Corrosion-resistant
Safety under pressure
Screwed on
Safety via pressure-controlled locking pin
Maintenance
Device can be serviced by the user
Device can be serviced by the user
Connection time
Conventional threaded connection
30 - 60 seconds
WEH Dive Connector
< 5 seconds
Ergonomics
Conventional threaded connection
Physically demanding to screw on
WEH Dive Connector
Click & done
Material durability
Conventional threaded connection
Corrosion-resistant
WEH Dive Connector
Corrosion-resistant
Safety under pressure
Conventional threaded connection
Screwed on
WEH Dive Connector
Safety via pressure-controlled locking pin
Maintenance
Conventional threaded connection
Device can be serviced by the user
WEH Dive Connector
Device can be serviced by the user
Technical data
Characteristics
Basic version
Technical nominal size (TNW)
4 mm
Max. allowable operating pressure
PS = 250 bar
Temperature range
+5°C to +60°C
Medium
Breathing air / Enriched Air / Nitrox
The use of Enriched Air / Nitrox up to 40% oxygen is only permitted within the framework of the relevant legal regulations
Connection A
(cylinder valve)
G5/8" female thread
(DIN 477 / DIN EN ISO 12209)
Inlet B1
Connection connector depending on connection for filling hose
Part materials
Wear-resistant stainless steel, brass
Sealing material
EPDM
Actuation
Manual actuation via rope safety device
Quick connector for filling diving cylinders
WEH® Dive Connector
Never screw again — connect fast
The WEH® Dive Connector is the perfect addition to your breathing air compressor. It enables connection to the cylinder thread in under 5 seconds.
An integrated safety mechanism prevents locking under pressure, while a safety lanyard provides additional protection.
Operation? As simple as it is intuitive:
Insert the adapter loosely into the cylinder valve. As soon as the seal engages noticeably, flip the operating lever — done.
After the filling process, a brief upward pull is all it takes to remove the quick connector effortlessly.
Accessories & spare parts
Matching components — so everything fits together perfectly.
- Filling hose: UNIMAM connection, length 1.5 m, technical nominal size (TNW) 5 mm, incl. TÜV certificate, 425 bar, M16×1.5 female thread (other lengths available on request).
- Connection nipple: with Bauer UNIMAM connection.
- Connection adapter: for connection to the filling hose, M16×1.5 male thread, O-ring, 60° internal cone.
- Front seal (spare part)
What users say about the WEH® Dive Connector
Would you like to be among the first to fill diving cylinders faster, safer, and more easily?
Then send us a non-binding order inquiry — we’ll get back to you personally.
Any questions? We’re here for you.
The images shown are for illustrative purposes only and may differ from the actual product in certain details. The specific form and design of the product are defined exclusively by the individual order.


