BS (British Standards) British StandardsBS 5150: It covers the specifications for cast iron gate valves for general purposes, including aspects such as dimensions, materials, and performance requirements. For example, it specifies in detail the chemical composition and mechanical properties of the c
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BS (British Standards) British StandardsBS 5150: It covers the specifications for cast iron gate valves for general purposes, including aspects such as dimensions, materials, and performance requirements. For example, it specifies in detail the chemical composition and mechanical properties of the c
