Non-rising Stem Stainless Steel Gate Valve manufacturers take you to understand the classification of stainless steel gate valves

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Oct 27,2022

Non-rising Stem Stainless Steel Gate Valve manufacturers tell you the types of stainless steel gate valves, which can be divided into wedge gate type gate valve and parallel gate gate valve according to the sealing surface configuration, wedge gate gate valve can be divided into: single gate type, double gate type Gate type and elastic gate type; parallel gate type gate valve can be divided into single gate type and double gate type. Non-rising Stem Stainless Steel Gate Valve manufacturers tell you that according to the thread position of the valve stem, it can be divided into two types: open stem gate valve and dark stem gate valve. This type of valve should generally be installed horizontally in the pipeline.

Wholesale Non-rising Stem Stainless Steel Gate Valve factory
When the valve is opened, when the lift height of the gate is equal to 1:1 times the diameter of the valve, the fluid channel is completely unobstructed, but this position cannot be monitored during operation. The manufacturer of the Non-rising Stem Stainless Steel Gate Valve tells you that in actual use, the apex of the valve stem is used as the mark, that is, the position where it cannot be opened, as its fully open position. In order to take into account the lock-up phenomenon due to temperature changes, it is usually opened to the top position, and then back to 1/2-1 turn, as the position of the fully open valve. Therefore, the fully open position of the valve is determined according to the position of the gate (ie stroke).
Non-rising Stem Stainless Steel Gate Valve manufacturers tell you that for some gate valves, the stem nut is set on the gate, and the rotation of the handwheel drives the valve stem to rotate, which makes the gate lift. This kind of valve is called a rotating stem gate valve or a dark stem gate valve. 

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