spring check valve

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Description

spring check valve

•Size: DN40~DN500
•Body material: Cast Iron / Ductile Iron
•Face to face dimension:ISO5752/EN558-1 Basic Series 20 ( Other types available on request).
•Top flange:ISO5211
•Working Pressure:PN10,PN16
•Working Temperature:-20°C-120 °C

 

 

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we have our own pipe fitting factory since 1998 ,which covers 100 acres. In 1998, we invested and set up a new flange factory. Up to now, we have a complete production system, and become a professional and competitive group in this field.

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