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Date: 2025-12-27Views: 893
This standard specifies the structural forms, technical requirements, materials, test methods and inspection rules, marking, painting, packaging, and storage and transportation for flanged and wafer-type elastic seal butterfly valves.
Specialized in the development and production of fluid control valves
Our leading production：ball valves, butterfly valves, gate valves, globe valves, check valves, filters, water control valves, pressure reducing valves, balancing valves, regulating valves, pneumatic valves, electric valves, and other high, medium and low pressure valves.
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