Description :

Standards
* Design and Manufacture: API500, API 6D.
* End flange dimension: ASME B16.5.
* Face to face and end to end: ASME B16.10.
* BW end dimension: ASME B16.25.
* Inspection and Test: API 598, API 600 or API 6D.
* Pressure-temperature ratings: ASME B16.34.

Main Structural Features
* It has logical structure, reliable seal, excellent performance and design.
* It has the structure of flip-chip balanceable pressure and light on/off operation.
* An oil groove is set between valve body and seal surface, which may infuse the seal grease ti increase the seal capability.
* The party material and flange dimension may be selected according to current operating condition and users requirements, so that meet the requirements of various engineering.

Product Structural Features
* Inverted pressure balance lubricated plug valve acc. To ANSI is applicable to the cutting and connection of pipelines medium that are used in various industries such as petroleum, chemical industry, pharmacy, chemical fertiliaer, electric power industry etc under nominal pressure of Class 150 to 900 LB and working temperature of -29 to 180 C.

Specification :

• 
  Swing Check Valve