Technical Parameters

Product model: H44W/H

Nominal diameter: NPS 2"~24"

Nominal pressure: CL150~300Lb

Operating temperature: -29°C~200°C

Applicable medium: water, steam, oil, nitric acid, acetic acid

Product Description

American standard swing check valve is widely used in pipelines with nominal pressure 150LB-2500LB and working temperature of -29～550℃ in petroleum, chemical industry, thermal power station and other working conditions. The applicable medium is: water, oil, steam Wait. Its main function is to prevent the backflow of the medium, the reverse rotation of the pump and its driving motor, and the discharge of the medium in the container.

Product Features

1. The selection of materials is exquisite, in line with relevant domestic and foreign standards, and the overall quality of the materials is high.

2. The products are produced according to the requirements of American National Standard ANSI B16.34 and American Petroleum Institute Standard API 6D.

3. Various piping flange standards and flange sealing types can be used to meet various engineering needs and user requirements.

4. The material of the valve body is complete, and the gasket can be reasonably selected according to the actual working conditions or user requirements, and can be suitable for various pressure, temperature and medium working conditions.

5. The matching of sealing pairs is advanced and reasonable. The sealing surface of the valve disc and valve seat is made of iron-based alloy or Stellite cobalt-based cemented carbide, which is wear-resistant and high-temperature resistant.

Main parts material and performance

Main external connection dimensions and weight