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■主要零件及材料 Main parts and materials
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零件名称 Part name
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材料 Material
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上下阀体 Upper and lower valve body
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铸铁Cast iron、铸钢Cast steel、不锈钢Stainless steel、衬Lining/F4 、F46
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阀座 Valve sea
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F4 /F46
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带杆蝶板 With lever dish plate
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全衬Fulling (WCB包衬)F4/F46、半衬Half lining(不锈钢)/F4、F46
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衬垫 Liner
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硅橡胶
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蜗轮手柄 Worm handle
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Qt400-15球墨铸铁、铝合金
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■衬氟蝶阀标准 PTFE-lined Butterfly Valve Standard
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技术规范Technical specification
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设计标准Design standard
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GB12238
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结构长度Structure length
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GB12221
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法兰标准Flange standard
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JB/T79-94
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GB9113.1-26
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检验试验Inspection and tes
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GB/T13927
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驱动方式Drive mode
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蜗轮Worm、手动Manual、电动Electric、气动Pneumatic
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