产品型号：Z40H/Z40W/Z40Y 产品口径：1/2″-20″ 压力范围：150LB-600LB 10K-40K 产品材质：WCB/304/316/304L/316L 该产品严格按照API标准进行设计、制造和验收;结构紧凑、密封可靠、操作灵活;适用于石油、化工、电力、冶金、纺织等工业部门．闸阀又称闸板阀或闸门阀，应用最广泛的一种阀门。它是通过闸板的升降来控制阀门的启闭，闸板垂直于流体方向，改变闸板与阀座间相对位置即可改变通道大小。闸阀具有以下优点： 1、流体阻力小 , 密封面受介质的忡刷和侵蚀小。 2、开闭较省力。 3、介质流向不受限制 , 不扰流、不降低压力。 4、形体简单 , 结构长度短，制造工艺性好，适用范围广。 主要零件及材质NO.零件名称Qty.材料NO.零件名称Qty.材料1阀体1WCB13压母110352阀座2A105+HF14手轮160-40-1893闸板1WCB+F615锁母1A29 10354阀杆1A182 F616油杯1A570 Gr.A5垫片108F不锈钢+柔性石墨17螺栓2A193 B76阀盖1WCB18螺母2A194 2H7密封座1A276 41019销轴2A29 10358填料1 柔性石墨+不锈钢 20开口销2A570 Gr.A9填料4-521螺柱 A193 B711压套1A276 41022螺母 A194 2H12压板1WCB23铆钉230413阀母1D-224 铭牌1 304主要连接尺寸及重量 NPS din22-1/23456810121416182024mm516476102127152203254305337387438489591L (BF) in7.007.508.009.0010.0010.5011.5013.0014.0015.0016.0017.0018.0020.00mm17819020322925426729233356381406432457508L1 (BW) in8.509.5011.1412.015.0015.8816.5018.0019.7622.5024.002630028.0032.00mm216241283305381403419457502572610660711813L2 (RTJ) in7.508.008.509.5010.5011.0012.0013.5014.5015.5016.5017.5018.5020.50mm1912032162412672793053543368394419445470521d1 in3.624.135.006.187.328.5010.6312.7615.0016.2618.5020.9822.9027.24mm92105127157186216270324381413470533584692d2 in4.755.506.007.508.509.5011.854.2517.0018.7521.2522.7525.0029.50mm120.5139.5152.5190.5216241.5298.5362432476540578635749.5D in6.007.007.509.0010.0011.0013.5016.0019.0021.0023.5025.0027.5032.00mm152178190229254279343406483533597635699813b in0.750.880.940.940.941.001.131.191.251.381.441.561.691.88mm1617.5192425262931323537404348n-Φd in4-0.754-0.754-0.758-0.758-0.878-0.878-0.8712-1.0012-1.0012-1.1316-1.1316-1.2520-1.2520-1.38mm4-194-194-198-198-228-228-2212-2512-2512-2916-2916-2320-3220-35H (open) in15.2017.319.0223.1126.5030.2037.6045.1252.2859.8067.7674.8083.3197.64mm3864354835876737679551146132815191721190021162480W in7.877.879.849.8411.8111.8113.7817.7219.6818.1118.1118.1124.0224.02mm200200250250300300350450500460460460610610WT(kg) BF2030235371851362203233875536608101250BW1726294666771162022943505065757201130