Spring micro-open external thread safety valve

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Spring micro-open external threaded safety valve and A21H-C external threaded spring micro-open safe…

A, product introduction:
A21H series Spring weiqi External thread Safety valve A21H-C type external screw spring micro open type safety valve suitable for working temperature are less than 200 of the air, ammonia, oil gas and other media of the equipment or pipeline. A21W-P and R type temperature are less than 200 are suitable for corrosive gas or liquid equipment or pipeline, as the overpressure protection device. Type A21Y is suitable for temperature are less than 100 of the liquefied petroleum gas.

Two, <strong> spring Weiqi safety</strong><strong> safety valve full thread</strong><strong> valve full</strong> thread standard:

Design and manufacturing standards: GB/T 12243-2005;
The structure of standard length: GB/T 12221-2005;
Flange standard: GB/T 9113;
Pressure temperature rating: GB/T 12224-2005;
Test standards: GB/T 13927-2008.
Three, Spring weiqi External thread security Safety valve The main components of materials:

Four, <strong> spring micro open type safety valve thread</strong> dimensions and connection dimensions:

Five, ordering:
1, the product name, specifications and types of the caliber of nominal pressure valve material and connect the working temperature to the transmission mode with the attachment so that we provide you the correct selection.
2, if the unit has been selected by the design model of our company, please press the product directly to our sales department order.
3, when using the place is very important or complicated when you try to provide design drawings and detailed parameters when the occasion is important or complicated when you try to provide design drawings and detailed parameters by Zhongwei control of our experts for you to review.