*****GREAT VALUE AS IT INCLUDES A QUICK COUPLER SOCKET & 1/8 BSPP PLUG*****

Stainless Steel PCP Air gun Charging Kit - fits air cylinders with 232 and 300 Bar valves 

• Supplied with compact sealed 400 Bar Gauge, Bleed Valve, Hose. 

• The stainless steel assembly has a bleed screw for gentle relief of the line pressure after filling.

• Dual scale 0 - 400 Bar, and 0 - 6000 psi stainless gauge, luminous ideal for outdoor use in the field.

• The hose terminates with a Quick Coupler socket supplied with plug to attach to any air gun 1/8 BSPP filling probe or adaptor.

• The hose is reinforced with a stainless anti-kink spring and 24" / 600mm long.

• Supplied with spare DIN O ring, seal and bleed seal

• The DIN fitting will fit both 300 and 232 Bar diving cylinders.

• The hose is depressurised gently by means of a large knurled thumb screw.

Other designs may have a push button bleed, which often sticks open, especially if supply cylinder has not been closed fully.

Also see this item, which doubles as a pressure / contents check gauge, and has a QC removable hose for safe keeping. It includes extra quick couplers and blank plug.

300 Bar DIN air rifle gun filling charging hose Quick coupler + pressure checker

https://www.ebay.co.uk/itm/305351476465

NOTES: 

The cylinder is for illustration and not included. 

Modern cylinder valves have a removable insert to allow the DIN screw in fitting to be used.

This DIN screw in system is regarded as more secure than the old A clamp system.

300 Bar air cylinders only use the DIN system