QF-5T Gas Cylinder Valve

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The QF-5T is a cylinder valve for natural gas service. It combines a pressure-sealed construction with a 60° cone seat.

This version has a left-hand outlet connection. Check its thread designation and sealing interface against the mating equipment; models in the same family are not automatically interchangeable.

Key advantages

Natural gas — A cylinder-valve configuration for natural gas 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	Natural gas
Working pressure	20 MPa
Gas-tightness test pressure	24 MPa
Proof test pressure	45 MPa
Safety device	33 MPa/110°C±5°C
Cylinder / inlet connection	PZ27.8(25E)
Outlet connection	W21.8-14-LH-EXT
Connection sealing form	60° cone seat
Valve structure	Pressure-sealed design
Body material	HPb59-1
Seal material	Nylon 1010
Stem material	HPb59-1
Handwheel material	ZL102
Temperature range	-40 °C to 60 °C
Manufacturing standard / reference	GB/T 17926

Technical Illustration

For reference. Not to scale.

Product Configurator

Model	Gas	Working pressure	Operation / structure	Inlet	Outlet	Sealing
QF-5T	Natural gas	20 MPa	Pressure-sealed design	PZ27.8(25E)	W21.8-14-LH-EXT	60° 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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