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Processes of Valve Pressure Tests (Part Two)

Processes of Valve Pressure Tests (Part Two)

  • 10 10, 2017

As for the one-way ball valve and the one-way butterfly valve, the intake's pressure of the valve is supposed to be increased according to the mark on the valve. When the liquid such as suds is sm...

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Processes of Valve Pressure Tests(Part One)

Processes of Valve Pressure Tests(Part One)

  • 09 26, 2017

The pressure test mainly aims at measuring the security capability and the sealing performance of the valve. All devices and the operation process must comply with the test regulation. During the tes...

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Operational Requirements of Cryogenic Valves

Operational Requirements of Cryogenic Valves

  • 09 09, 2017

In the modern society, as the petrochemical industry, the coal chemical industry and the refrigeration industry develop rapidly, cryogenic valves are applied extensively with larger amounts. At the sa...

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An Introduction of Bellow Seal Gate Valves

An Introduction of Bellow Seal Gate Valves

  • 08 21, 2017

A bellow seal gate valve has the disc in the shape of a plug, the conical or flat sealing surface as well as the valve clack with motion along the centre line of flows. The motion type of the bellow ...

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Two Main Reasons of Cryogenic Valves’ Leakage

Two Main Reasons of Cryogenic Valves’ Leakage

  • 07 07, 2017

Nowadays, as the technique of cryogenic valves develops rapidly, this kind of valve still has some problems remained to be solved. Including internal leakage and external leakage, the leakage of the c...

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Introduction of Baiting Valve

Introduction of Baiting Valve

  • 03 29, 2017

Baiting valve is mainly used for bottom discharge of reactors, storage tanks or other containers. It is welded into storage tanks and the containers by means of the flange which is at the bottom of th...

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Development Prospect Analysis of Flanged Gate Valve Market

Development Prospect Analysis of Flanged Gate Valve Market

  • 01 14, 2017

Recently, the constant development and change of valve market create an unstable market at home and aboard. But in the next 5 to 10 years, with the upcoming of G20 summit(International Economic Cooper...

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Complete Introduction of Pros of Forged Steel Valve

Complete Introduction of Pros of Forged Steel Valve

  • 12 23, 2016

Pros of forged steel valve are following: 1. Low resistance; sealing surface can perform well with less erosion and scour of fluid media. 2. Forged steel valve usually used for truncating or co...

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Common Types of Forged Steel valves

Common Types of Forged Steel valves

  • 10 18, 2016

The forged steel valve refers to those steel valves through forging process. Actually, the biggest difference between forged steel valves and other valves is the material. The forged steel valve usual...

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