QF-90A Diaphragm Valve

QF-90A

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

Key facts

Applicable mediumHigh-purity gas
Working pressure15 MPa
Gas-tightness test pressure18 MPa
ModelQF-90A

Specifications

Application

Applicable mediumHigh-purity gas

Pressure and safety

Working pressure15 MPa
Gas-tightness test pressure18 MPa
Proof test pressure33.75 MPa
Safety deviceNo safety device

Connections

Cylinder / inlet connectionPZ27.8(25E)
Outlet connectionG5/8-14-RH-EXT
Connection sealing form60° cone seat

Construction

Valve structureDiaphragm-sealed design

Materials

Body materialHPb59-1
Stem materialHPb59-1
Handwheel materialZL102

Operating conditions

Temperature range-40 °C to 60 °C

Manufacturing references

Manufacturing standard / referenceGB/T 15382

Model: QF-90A

Technical Illustration

Product overview

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.

Information for your enquiry

Provide the exact model, gas species and required inlet and outlet connections. Confirm the sealing material and service requirements for the requested configuration. This configuration has no safety device.

Contact ANYI

Discuss this valve with our team

Send us your gas medium, working pressure, connection requirements and quantity - photos of the valve or cylinder you use today help too - and our team will reply.

Product: QF-90A

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