不锈钢丝口闸阀性能规范 specifications 公称压力 Nominal pressure | PN | 1.6,2.5,4.0,6.5 | Mpa | 强度试验压力 Strength testing pressure | PT | 2.4,3.8,6.0,9.6 | 低压气密封试验压力 Seat testing pressure(low pressure) | 0.6 | Mpa | 高压气密封试验压力 Seat testing pressure(high pressure | 1.8,2.8,4.4,7.1 | 适用介质 Applicable medium | Z15W-(16-64)C 水、油、气WATER,oil,Gas | Z15W-(16-64)P 硝酸类 Nitric acid | Z15W-(16-64)R醋酸类 Acetic acid | 适用温度Applicable temperature | (-40~180℃) | 不锈钢丝口闸阀主要零件材料 Materials of main parts 零件名称 Description of parts | Z15W-(16-64)C | Z15W-(16-64)P | Z15W-(16-64)R | 阀体 Body | WCB | CF8 | CF8M | 闸板Disc | WCB | CF8 | CF8M | 阀杆 Stem | 304 | 304 | 316 | 密封圈Sealring | ss304,ss316 | 填料 Packing | 聚四氟乙烯 Polyterafluoroethylene(PTFE) | 不锈钢丝口闸阀主要外形尺寸 Main outer size DN | G | L | H | D | 15 | 1/2″ | 55 | 90 | 70 | 20 | 3/4″ | 60 | 98 | 70 | 25 | 1″ | 69 | 108 | 70 | 32 | 1¼″ | 76 | 128 | 80 | 40 | 1½″ | 80 | 152 | 100 | 50 | 2″ | 92 | 166 | 100 | |