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Product overview
The National Standard Lift Check Valve is used in pipelines of petroleum, chemical and thermal power stations with working temperature of - 29 - 560 C. Applicable medium: water, oil, steam, etc.
Design code
Design standard: GB/T12235
Structure length: GB/T 12221
Connection standards: GB/T 9113, JB/T 79, HG/T 20592
Pressure test: GB/T 13927, JB/T 9092
Pressure-temperature grade: GB/T12224
Product characteristics
1. The product has compact and reasonable structure, reliable sealing and excellent performance.
2. The sealing surface is made of alloy steel or cemented carbide. The sealing accessory materials are matched reasonably and the service life is long.
3. All kinds of piping flange standards and flange sealing types are adopted to meet various engineering needs and user requirements.
4. Its small size, light weight and good processing technology are one of the development directions of check valves.
