J49H压力表针型阀概述：J49H/W压力表针型阀主要零部件材料零件名称阀体阀杆阀底座填料填料阀盖手轮J49H/W-320P碳钢铬不锈钢聚四氟乙稀、柔性石墨碳钢优质碳钢J49H/W-320P铬镍不锈钢铬不锈钢铬镍不锈钢不锈钢主要性能规范型号公称压力(MPa)试验压力(MPa)工作压力(MPa)工作温度(℃)适用介质壳体(MPa)密封(液)密封(气)J49H/W-32032.048.035.20.632.0P≤540℃液化***水、酸、蒸汽、油品等J49H/W-320P32.048.035.20.632.0C≤425℃主要外型及连接尺寸型号公称直径(mm)尺寸重量(Kg)L1D1D2HH1L2hh?M1L3J49H/W-3203606550881006015Ф70M20×1.5161.3J49H/W-320P6606550881006015Ф70M20×1.5161.3J49H压力表针型阀产品展示：http:///product/?ml)