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The principle of pneumatic ball valve

The principle of pneumatic ball valve?The working principle of the pneumatic ball valve is to make the valve flow or block by rotating the valve core. The pneumatic ball valve is easy to switch and small in size. The ball...

ASIAV High Performance Butterfly Valve Catalog

ASIAV-high-performance-butterfly-valve-1download...

Types of ball valves

Types of ball valves?A ball valve is a type of isolation valve and is the most commonly used valve in industry due to its excellent operating characteristics. Ball valves can be welded, threaded, and flanged, and are available in a...

How to choose a corrosion resistant valve?

How to choose a corrosion resistant valve?The media conveyed in various pipelines in the chemical industry are usually corrosive to a certain extent, such as sulfuric acid, hydrochloric acid, nitric acid and other corrosive media. All corrosion protection is the...

Wafer check valve and flange check valve

Which is better, Wafer check valve and flange check valve? The answer is flanged check valves, because flanged check valves can withstand greater pressure and are widely used. The main advantages of wafer check valves are their low price and...

What is a metal hard seal butterfly valve

What is a metal hard seal butterfly valve,Metal hard seal butterfly valve is mainly composed of valve body, butterfly plate, valve shaft, valve body sealing ring, butterfly plate sealing ring, shaft sleeve, self-lubricating bearing and driving device. The high performance...

Butterfly valve sample book selection

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Drawing of pneumatic lug butterfly valve

Drawing of pneumatic lug butterfly valve...

Description of pneumatic actuator of Chinese valve

Pneumatic actuator, also known as pneumatic head, is another name of air cylinder, which is a device that uses pneumatic pressure to drive the opening / closing or regulating valve,Description of pneumatic actuator of Chinese valve structure The pneumatic device...

Technical requirements for pipeline valves in China

Technical requirements for pipeline valves ★ technical requirements for pipeline valves: GB / t19672-2005 is revised and formulated by adopting iso14313:1999 petroleum and natural gas industry; pipeline transmission system; pipeline valves’ > valves / api6d:2002 pipeline valves’ > valves. The...

the problems existing in the use of fluorine lined butterfly valve are analyzed

fluorine lined butterfly valve are analyzed Since the multi-layer soft and hard laminated sealing ring is fixed on the valve plate, when the valve plate is normally open, the medium will form a frontal scouring on its sealing surface, and...

Analysis of forged and cast valves

Analysis of forged and cast valves Forged valves are forged. They are generally used in high-grade pipelines with small caliber, generally below DN50. Of course, there are also large caliber for special use. Cast valves are cast valves. Generally, the...

How to maintain pipeline valves in use

The purpose of maintenance during the operation of pipeline valves is to ensure that the valves are in a state of perennial cleanliness, good lubrication, complete valves and normal operation.How to maintain pipeline valves in use ★ cleaning of valves...
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What is a two-way pressure butterfly valve

Large diameter two-way pressure butterfly valve is a top mounted metal hard seal butterfly valve with convenient installation and online maintenance. When the valve needs to be repaired, it is not necessary to remove it from the pipeline. As long...

Gate valve introduction

Gate valve introduction-The opening and closing part of the gate valve is the gate. The movement direction of the gate valve is perpendicular to the fluid direction. The gate valve can only be fully opened and fully closed, and cannot...

Knowledge of ball valves

ball valve characteristic Knowledge of ball valves 1; wear-resisting; Since the valve core of the hard sealed ball valve is alloy steel spray welding and the sealing ring is alloy steel surfacing, the hard sealed ball valve will not cause...

Paint and coating selection of valves

Paint and coating selection of valves In many cases, paint on new valves is only a temporary coating designed to delay external corrosion during valve storage or before the final paint or coating is applied to the entire piping system...

How the breathing valve works

How the breathing valve works-Atmospheric and low pressure storage tanks are common equipment in process industry. During the use of atmospheric and low-pressure storage tanks, the expansion or contraction of the gas in the storage tank is often caused by...

China’s pipeline standard system

China’s pipeline standard system-There are many application standards for pressure pipeline components in China, but they are not complete. Take the pipe flange standard as an example, the commonly used standards include GB national standard, JB machinery industry standard, SH...