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■主要零件及材料 Main parts and materials
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零件名稱 Part name
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材料 Material
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上下閥體 Upper and lower valve body
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鑄鐵Cast iron、鑄鋼Cast steel、不銹鋼Stainless steel、襯Lining/F4 、F46
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閥座 Valve sea
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F4 /F46
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帶桿蝶板 With lever dish plate
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全襯Fulling (WCB包襯)F4/F46、半襯Half lining(不銹鋼)/F4、F46
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襯墊 Liner
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硅橡膠
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蝸輪手柄 Worm handle
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Qt400-15球墨鑄鐵、鋁合金
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■襯氟蝶閥標準 PTFE-lined Butterfly Valve Standard
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技術(shù)規(guī)范Technical specification
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設(shè)計標準Design standard
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GB12238
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結(jié)構(gòu)長度Structure length
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GB12221
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法蘭標準Flange standard
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JB/T79-94
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GB9113.1-26
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檢驗試驗Inspection and tes
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GB/T13927
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驅(qū)動方式Drive mode
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蝸輪Worm、手動Manual、電動Electric、氣動Pneumatic
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