QF-40C Gas Cylinder Valve

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The QF-40C is a cylinder valve for carbon dioxide service. It combines a pressure-sealed construction with a flat-face sealing interface.

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

Carbon dioxide — A cylinder-valve configuration for carbon dioxide service.
Flat-face mating interface — Match the flat sealing face as well as the connection designation when selecting mating equipment.
Connection matching — Check the cylinder-side and equipment-side connections independently for this model.

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Specifications

Parameter	Value
Applicable medium	Carbon dioxide
Working pressure	20 MPa
Gas-tightness test pressure	24 MPa
Proof test pressure	45 MPa
Safety device	30 MPa
Cylinder / inlet connection	3/4-14NGT
Outlet connection	DIN.6
Connection sealing form	Flat-face seal
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-40C	Carbon dioxide	20 MPa	Pressure-sealed design	3/4-14NGT	DIN.6	Flat-face seal
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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