S型手动截止阀manual stop valve（S type）
该阀门广泛应用于工业，电站，区域供热，冷却冷冻系统及蒸汽系统。
This valve is widely used in industry, power station, district heating and cooling refrigeration system and steam system.
特点（characteristic）：
维修方便，使用寿命长，耐磨损，耐腐蚀，双重密封，带润滑注油孔，并可作为手轮锁紧装置，带行程位置指示，不上升手轮，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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公称压力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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密封试验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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壳体强度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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适用温度suitable temperature
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-10℃~300℃
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规格specification
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DN15~DN150
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主要零件名称the major parts name
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材质materials
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阀体valve body
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球墨铸铁ductile iron/WCB
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阀盖valve cover
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球墨铸铁ductile iron/WCB
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阀杆valve stem
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不锈钢Stainless steel
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阀瓣valve disc
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不锈钢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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