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Swing check valve

旋啟式雙瓣止回閥

Product Overview

Hanwei H6 series double lobe pinch check valves are designed and manufactured in accordance with API 594, ASME B16.34 standards and tested in accordance with API 598.

Product design features

1. The structure length is short, and its structural length is only 1/4~1/8 of the traditional flange check valve;
2. Small size, light weight, its weight is only 1/4~1/20 of the traditional flange check valve;
3. The valve disc closes quickly and the water hammer pressure is small;
4. Horizontal pipes or vertical pipes can be used, easy to install;
5. The flow channel is smooth and the fluid resistance is small;
6. Sensitive action and good sealing performance;
7. The disc stroke is short, and the impact force of closing the valve is small;
8. Overall structure, simple and compact, beautiful shape;
9. Long service life and high reliability.

Product range

Design, manufacture and inspection: API 6D
End connection: flange
Nominal diameter: 1/2"~40" (DN15~DN1000)
Pressure Rating: Class 150~2500(PN16~PN420)
Applicable temperature: -46~200 °C
Material category: carbon steel, alloy steel, stainless steel, duplex steel and other special materials

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