D10963 - 1/2" CO2 Cylinder Valves

General Information

Designed for the Fire Protection Industry, the valve is servo assisted for light opening loads throughout the range of CO2 cylinder pressures.

The valve can be operated manually, electrically, or by pressure means, the manual type by lever, electrically, by solenoid or ICI Metron and pressure through a separate pilot system or by manifold pressure.

When the firing pin is depressed (by whatever means), the pilot valve is opened allowing cylinder pressure through to the top side of the servo piston pressurising it downward to open the main seat.

This is achieved by the area advantage of the servo piston in relation to the main seat and results in a smooth opening of the valve together with high flow characteristics.

A burst disc is fitted to the valve to protect valve and cylinder in the event of over-pressure.

Basic Specifications

	DIN 477 Valve	NPT Valve
Cylinder Thread	DIN 477	1" NPT
Outlet Thread	1/2" CO2 (0.860" x 14TPI)	1/2" CO2 (0.860" x 14TPI)
Syphon Tube Thread	16 x 1 mm	3/4" x 20TPI Whit Form
Burst Disc Pressure	190 BAR
Flow Rate	80% CO2 in 23 Seconds for NPT Valve
Pressure Drop	Equivalent length 9 feet of ½” schedule 80 pipe
Type Approvals	Det Norske Veritas. (DNV)

 

	Minimum	Maximum
Operating Temperature	-20 degrees C	+50 degrees C
Pressure Range	7 BAR - 100 PSI	140 BAR - 2030 PSI