QF-6A Gas Cylinder Valve

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The QF-6A is a cylinder valve for oxygen and nitrogen service. It combines a pressure-sealed construction with a 90° cone seat.

The cylinder inlet and equipment outlet are specified separately for connection matching. Check both interfaces and the sealing arrangement against the mating components when selecting this exact model.

Key advantages

Specified gas service — A cylinder-valve configuration for oxygen and nitrogen service.
Cone-seat connection — The defined cone seat helps identify the required mating sealing geometry.
Connection matching — Check the cylinder-side and equipment-side connections independently for this model.

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Specifications

Parameter	Value
Applicable medium	Oxygen, Nitrogen
Working pressure	15 MPa
Gas-tightness test pressure	18 MPa
Proof test pressure	33.75 MPa
Safety device	No safety device
Cylinder / inlet connection	PZ27.8(25E)
Outlet connection	G5/8-14-RH-INT
Connection sealing form	90° cone seat
Valve structure	Pressure-sealed design
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	Operation / structure	Inlet	Outlet	Sealing
QF-6A	Oxygen, Nitrogen	15 MPa	Pressure-sealed design	PZ27.8(25E)	G5/8-14-RH-INT	90° cone seat
Your request	Gas request	Working pressure request	Operation / structure 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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