Industrial valve and pipe installation instructions
Oct 13, 2019
1. Weld the flange to the pipe and cool it to ambient temperature befo...
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CHENGDU DERBO STEEL CO., LTD. PIPELINE SUPPLIER FOR OIL & GAS! Derbo Steel, Golden Supplier on Pipes, Valves, Flanges, Fittings. Focus On Quality, Offer Best Products.
1. Weld the flange to the pipe and cool it to ambient temperature befo...
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A ductile iron pipe is made of a kind of cast iron, carbon and si...
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