Axial check valve

轴流式止回阀

Product Overview

Hanwei H4 series axial flow check valve is designed and manufactured in accordance with API 6D, ASME B16.34 standard, widely used in oil and gas transmission network system, specially designed spring can avoid water hammer phenomenon caused by too fast speed when closing, reduce noise, and achieve silent effect.

Product design features

Streamlined flow channel design, small fluid resistance and small medium pressure loss
Specially designed multiple sealing seats for reliable sealing
Fire safe structure design
Compact structure, small dimensions, simple installation
Precisely designed springs ensure low-pressure sealing and low-pressure opening
No jamming of opening and closing, reliable operation and long service life
Low noise, energy saving, environmental protection

Product range

Design, manufacture and inspection: API 6D
End connection: flange, welded
Nominal diameter: 1/2"~72" (DN15~DN1800)
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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