S型手動截止閥manual stop valve（S type）
該閥門廣泛應用于工業，電站，區域供熱，冷卻冷凍系統及蒸汽系統。
This valve is widely used in industry, power station, district heating and cooling refrigeration system and steam system.
特點（characteristic）：
維修方便，使用壽命長，耐磨損，耐腐蝕，雙重密封，帶潤滑注油孔，并可作為手輪鎖緊裝置，帶行程位置指示，不上升手輪，不含石棉。
Easy maintenance and long service life, wear resistance, corrosion resistance, double seal, with lubricating oil injection hole, and can be used as the hand-wheel locking device, take trip position indicator, hand-wheel don't rise, do not contain asbestos.
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公稱壓力nominal pressure
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1.6mPa
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2.5 mPa
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4.0 mPa
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密封試驗sealing test
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1.8 mPa
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2.8 mPa
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4.4 mPa
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殼體強度shell strength
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2.4 mPa
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3.6 mPa
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6.0 mPa
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適用溫度suitable temperature
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-10℃~300℃
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規格specification
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DN15~DN150
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主要零件名稱the major parts name
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材質materials
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閥體valve body
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球墨鑄鐵ductile iron/WCB
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閥蓋valve cover
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球墨鑄鐵ductile iron/WCB
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閥桿valve stem
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不銹鋼Stainless steel
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閥瓣valve disc
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不銹鋼Stainless steel
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密封面Sealing surface
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STL
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填料packing
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柔性石墨flexible graphite
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