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The UNDERSEA 1220PP-1080B Bullnose adaptor converts a UK Bullnose Pin Point male connection (BS 341-3) to a DIN G5/8 female outlet rated at 232 bar, enabling fill stations to charge DIN-valve cylinders directly from UK Bullnose storage banks.
✓ 232 bar WP · Precision machined brass · BS 341-3 UK Bullnose · DIN G5/8 female
Manufactured by Undersea Ltd (Southampton, UK) to British and DIN standards. Part assembled to order, dispatched within 2-3 working days.
Return possible within 14 days for private customers.
Terms & Conditions →Undersea Ltd, a Southampton-based UK manufacturer with decades of expertise in high-pressure diving fittings and fill station infrastructure, produces the 1220PP-1080B to bridge the gap between UK Bullnose (BS 341-3) and continental DIN G5/8 cylinder standards. British Bullnose cylinder valves remain common in UK dive centres and aboard dive vessels, while DIN G5/8 has become the dominant standard across European recreational and technical diving. This single-component fitting eliminates the need for complex multi-piece assemblies. The 1220-PP section incorporates a Pin Point mechanism that actuates the spring-loaded non-return valve housed inside the UK Bullnose storage cylinder valve, allowing gas flow without additional tools. The 1080-B body delivers a G5/8 female DIN outlet rated to 232 bar maximum working pressure.
The UNDERSEA 1220PP-1080B is the standard solution for dive centres, live-aboard vessels and mobile fill operations that hold UK Bullnose storage cylinders and need to charge DIN G5/8 diving cylinders. The fitting supports gas transfers for air, nitrox and trimix blends at pressures up to 232 bar. Facilities running mixed cylinder fleets — a common scenario for UK centres servicing both domestic and international divers — rely on this connection piece to link their filling banks to DIN-equipped cylinders without intermediate conversion stages. For technical guidance on fill station safety and cylinder valve standards, refer to British Sub-Aqua Club (BSAC) technical guidelines.
Undersea Ltd designs and manufactures the 1220PP-1080B to British Standards (BS 341-3) and DIN specifications governing high-pressure compressed gas fittings for diving applications. The 1080-B body is rated to 232 bar maximum working pressure. Manufacturer's warranty applies per Undersea Ltd standard terms.
The UNDERSEA 1220PP-1080B Bullnose adaptor converts a UK Bullnose Pin Point male connection (BS 341-3) to a DIN G5/8 female outlet rated at 232 bar, enabling fill stations to charge DIN-valve cylinders directly from UK Bullnose storage banks.
✓ 232 bar WP · Precision machined brass · BS 341-3 UK Bullnose · DIN G5/8 female
Manufactured by Undersea Ltd (Southampton, UK) to British and DIN standards. Part assembled to order, dispatched within 2-3 working days.