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Gate valve
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API 602 Gate valve

Product Description:

The gate valve refers to a valve opened or closed with its closing member (the disc) moving perpendicularly along the passageway axis. It is mainly used for switching on or switching off the medium within pipelines, that is, it is used in a full open or close manner.  

Technical Specifications

Design standard: API 602
Face to face standard: ASME B16.10、GB/T 12221
Flange ends: ASME B16.5、GB/T 9113
Pressure test:API 598、GB/T 13927
 

Product Specifications

Body material: carbon steel, stainless steel, alloy steel
Nominal diameter: 1/2"~4"(DN15~100)
Pressure range: Class150~1500(PN10~PN250)
Working temperature:-196℃~+560℃
Mode of operation: Hand wheel, gear, Electric  

Design Features
Application

Small fluid resistance.
Only a small force is required for opening/closing.
No limitation on the flowing direction of the medium .
During opening and closing process, the friction between the disc wedge and the seat is small, so the sealing is reliableensuring reliable tightness and long service life.
The valve is designed in a backward sealing structure, ensuring no medium leakage in the stuffing box, reliable tightness and online filling replacement.
The valve stem sealing is realized by the collaboration of flexible and woven graphite, ensuring a more reliable tightness.
BB-BG-OS&Y, two structures of rising (OS&Y) and non-rising stem gate valves structures
 

 

Electricity, petroleum, chemical industry, papermaking, metallurgy, aerospaceand other industries  

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