概述；秦工意大利式保温球阀公称压力：1.6-2.5MPa适用温度范围：-20-232℃-350℃适用介质：水、油、气及某些腐蚀性液体（W.O.G）?主要零件材料?序号NO零件名称材质1阀体不锈钢CF8M/CF8碳钢WCB2球不锈钢316/304不锈钢SS3043密封垫聚四氟乙烯PTFE聚四氟乙烯PTFE4阀杆不锈钢316/304不锈钢SS3045填料不锈钢PTFE聚四氟乙烯PTFE6定位锁不锈钢304不锈钢SS3047手柄不锈钢304不锈钢SS3048阀杆螺母不锈钢304不锈钢SS3049填料压盖不锈钢304不锈钢SS30410手柄套塑料Plastic塑料Plastic11密封瓶帽不锈钢316/304不锈钢SS30412垫圈聚四氟乙烯PTFE聚四氟乙烯PTFE?主要尺寸?尺寸15/1/2“20/3/4”25/1“32/11/4"40/11/2"50/2“65/21/2"80/3”100/4“125/5”150/6”200/8“d151923.5303645586776100125195L3238.54555627295120145200225275D95105115135145160180195215245280335D1657585100110125145160180210240295D24555657885100120135155185210265H6270798692102158172187200240278E1101251351501501802503003506508401000b141416161820222424262628z-d14-144-144-144-184-184-184-188-188-188-188-2312-20l2223333333332-G3/83/83/81/21/21/21/21/21/21/21/21/2