Product Model: H41W/H

Nominal Diameter: DN50–400 

Pressure Range: PN10–160 MPa 

Working Temperature: -196°C to +560°C 

Body Material: Carbon Steel, Stainless Steel, Alloy Steel 

Application: Suitable for pipelines conveying tap water, food, pharmaceutical, power, petroleum, liquefied gas, steam, and other media.

Product Overview
The GB standard lift check valve is suitable for pipelines in various working conditions such as petroleum, chemical, and thermal power plants with working temperatures of -29 to 560°C. Applicable media: water, oil, steam, etc.

Design Specifications

• Design Standard: GB/T 12235

• Face-to-Face Dimensions: GB/T 12221

• Connection Standard: GB/T 9113, JB/T 79, HG/T 20592

• Pressure Test: GB/T 13927, JB/T 9092

• Pressure-Temperature Rating: GB/T 12224

Product Features

1. Compact and reasonable structure, reliable sealing, and excellent performance.

2. The sealing surfaces are made of alloy steel or hard alloy; the sealing pair materials are reasonably matched, ensuring a long service life.

3. Various piping flange standards and flange sealing types are adopted to meet different engineering needs and user requirements.

4. It features a small size, light weight, and good manufacturability, representing one of the development directions for check valves.