National Standard Gate Valves

National Standard Gate Valves

Product features: easy opening and closing, no restrictions on medium flow, no turbulence, no pressure reduction, simple shape, short structure length Detailed introduction Gate valve has the characteristics of small fluid resistance, applicable pressure, temperature range and so on, is a...

Product Details

Product features: easy opening and closing, no restrictions on medium flow, no turbulence, no pressure reduction, simple shape, short structure length

Detailed introduction

Gate valve has the characteristics of small fluid resistance, applicable pressure, temperature range and so on, is a commonly used cut-off valve, used to cut or connect the medium in the pipeline. In full open the whole flow straight, at this point the medium operating pressure loss is small. Gate valves are generally suitable for conditions where they do not need to be opened and closed frequently and where the gate is fully open or fully closed. Not suitable for use as adjustment or throttling. For high speed flowing medium, gate vibration can be caused by local opening of the gate, which may damage the sealing surface of gate and valve seat, and throttle will cause gate to be eroded by the medium.

Gb high pressure gate valve with low fluid resistance, sealing surface by medium erosion and erosion. , open and close more labor, the flow of the medium is not limited, no turbulence, do not reduce the pressure, simple shape, short length of the structure, good manufacturing technology, wide application and other advantages.

The opening and closing parts of the gb high pressure gate valve are the gate, the movement direction of the gate is perpendicular to the direction of the fluid, the gate valve can only be fully open and closed, can not be adjusted and throttle. Gate valve with low fluid resistance, sealing surface by medium erosion and erosion. Open and close more labor, the flow of the medium is not limited, no turbulence, do not reduce the pressure, simple shape, short length of the structure, good manufacturing technology, wide range of application and other advantages.

Gb high pressure gate valve types, according to the sealing surface configuration can be divided into wedge type gate valve and parallel gate type gate valve, wedge type gate valve can be divided into: single gate type, double gate type and elastic gate type; Parallel gate valves can be divided into single gate type and double gate type. According to the screw position of the valve stem, it can be divided into two kinds: open stem gate valve and dark stem gate valve.

Gb high pressure gate valve operation mode: manual, gear drive, electric, pneumatic, etc.

Range of adaptation:

Gb gate valve is suitable for the nominal pressure PN1.6 ~ 10MPa, operating temperature -29 ~ 600℃ oil, chemical, pharmaceutical, chemical fertilizer, power industry and other working conditions of the pipeline, cut off or connected to the pipeline medium, can not be adjusted and throttle. Applicable medium is: water, oil, steam, acid medium, etc.


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