QF-90A Diaphragm Valve

1 / 2

The QF-90A is a diaphragm-sealed cylinder valve for high-purity gas applications. It uses a 60° cone seat.

The diaphragm-sealed layout is part of this model’s configuration. Provide the gas composition, cylinder connection and equipment requirements when discussing the application.

Key advantages

High-purity gas application — For high-purity gas applications. Include the gas composition and service requirements with your enquiry.
Diaphragm-sealed layout — A diaphragm-sealed construction for the stated gas application.
Cone-seat connection — The defined cone seat helps identify the required mating sealing geometry.

Configure Product Print / Save PDF

Print / Save PDF — no form required.

Specifications

Parameter	Value
Applicable medium	High-purity gas
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-EXT
Connection sealing form	60° cone seat
Valve structure	Diaphragm-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-90A	High-purity gas	15 MPa	Diaphragm-sealed design	PZ27.8(25E)	G5/8-14-RH-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.

Need this product’s specifications? Print / Save PDF — no form required.

Connect with an Expert

Regarding: QF-90A · High-purity gas · 15 MPa

First name*

Last name*

Work email*

Company*

Phone (optional)

Country*

Search countries by English nameSearch above, then select a country or region.

Quantity (optional)

Your requirements

I agree that ANYI may use my contact data to respond to my inquiry. For details, please refer to our Privacy Policy. Please send me product updates and technical information about ANYI cylinder valves.