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Ductile Iron Wafer Butterfly Valve Commonly Used In Fluid Pipeline Systems This is a manual clamp-type butterfly valve, which is a key device for ...
2025-07-20 00:30:45
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... the weight of vehicles and heavy equipment. The strength of manhole covers made of ductile iron is close to that of carbon steel, and they have ...
2025-07-20 00:30:45
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Stainless Steel Check Valve DN300 For Industrial With Customized Packing Product Feature The working characteristics of stainless steel check valves ...
2025-07-20 00:30:46
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