QF-40A2 Gas Cylinder Valve

The QF-40A2 is a cylinder valve for oxygen, nitrogen, argon and helium service. Its inlet, outlet and cone sealing interface are specified for connection matching.

Check the cylinder and equipment connections against the specifications below. This configuration has no safety device.

Key advantages

Multi-gas applications — A model identified for oxygen, nitrogen, argon and helium service.
Cone sealing interface — The specified cone seat supports checking the mating seal.
Defined connections — Separate cylinder inlet and equipment outlet designations.
Identifiable construction materials — Body, stem and handwheel materials are listed in the specifications.

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Specifications

Parameter	Value
Applicable medium	Oxygen, Nitrogen, Argon, Helium
Working pressure	20 MPa
Gas-tightness test pressure	24 MPa
Proof test pressure	45 MPa
Safety device	No safety device
Cylinder / inlet connection	BS341-1"
Outlet connection	BS.3(G5/8-14-RH-INT)
Connection sealing form	60° cone seat
Body material	HPb59-1
Stem material	HPb59-1
Handwheel material	ZL102
Temperature range	-40 °C to 60 °C
Manufacturing standard / reference	GB/T 15382

Technical Illustration

For reference. Not to scale.

Product Configurator

Model	Gas	Working pressure	Inlet	Outlet	Sealing
QF-40A2	Oxygen, Nitrogen, Argon, Helium	20 MPa	BS341-1"	BS.3(G5/8-14-RH-INT)	60° cone seat
Your request	Gas request	Working pressure request	Inlet request	Outlet request	Sealing request

Special requirements are subject to technical confirmation. Your requests do not change the standard product specifications.

Company catalogue

No approved company catalogue is currently available. You can request specific product documents through Technical Matching.

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Regarding: QF-40A2 · Oxygen, Nitrogen, Argon, Helium · 20 MPa

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