Product model: H44H
Nominal Path: DN50-400mm
Pressure range: PN10-420 MPa
Working Temperature: -196 ~+560 Temperature
Main material: carbon steel, stainless steel, alloy steel
Scope of application: It is suitable for piping of tap water, food, pharmaceutical, electric power, petroleum, liquefied gas, steam, etc.

Product overview

National Standard Swing Check Valve. The product is designed and manufactured in strict accordance with GB12236 standard. The pin and disc are connected by built-in structure, with excellent performance and more reliable sealing. Products are widely used in petroleum, chemical, pharmaceutical, power industry and other working conditions of pipelines.

Design code

Design standard: GB/T12236

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.