气动活塞切断阀
产品概述ZSPC、ZSNC型气动活塞切断阀,由气动活塞执行机构和切断机构组成。按阀芯密封面材料可分为硬密封和软密封;按阀芯结构型式可分为单导向平板式和单导向平衡式。具有结构简单、动作可靠、严密切断、关开快速等特点。适用于无颗粒状、无杂质的气体、液体介质,要求快速严密关闭、快速放空的自动控制系统中。技术参数和性能指标公称通径mm202540506580100150200250300阀座直径mm20253240506580100125150200可与本公司商洽生产额定流量系数Kv6.51015254065100150260350540公称压力MPa1.6;4.0;6.4行程mm101625304060流量特性快开介质温度℃软密封:-40~150(常温型);硬密封:-40~200(常温型);-40~450(中温型)法兰尺寸、型式PN16按JB79-59;PN4.0、64按JB/T79.2-94凹式阀体材质ZG230-450;ZG1Cr18Ni9Ti;ZGOCr18Ni12Mo2Ti阀座、阀芯材质1Cr18Ni9;0Cr18Ni12Mo2Ti上阀盖型式普通式(常温型);热片式(中温型)可配附件手轮机构、空气过滤减压器、电磁阀、信号回讯器等注:可提供GB、ANSI、JPI、DIN等法兰经构型式,法兰距可根据用户需要确定。执行机构主要技术参数与切断机构匹配关系公称通径mm执行机构型号气缸直径mm行程mm进气孔螺纹备注常温型中温型常温型中温型常温型中温型20ZSPA-1、ZSPB-1ZSPA-1、ZSPB-1ZSN-115015010M16×1.5M16×1.5ZSP:单作用ZSN:双作用2540ZSPA-2、ZSPB-2ZSN-1200165065ZSPA-2、ZSPB-2ZSPA-3、ZSPB-3ZSN-220030025M20×1.58010030150ZSPA-3、ZSPB-3ZSPA-4、ZSPB-4ZSN-330040040M20×1.5M24×220060性能指标公称通径mm202540506580100150200阀座直径mm3240506580100125150200软密封泄漏量水试△P=△Pmaxml/min0气试△P=0.35MPa气泡数/min11234611182745硬密封泄漏量水试MPa4.03.0ml/min0.240.300.380.480.600.780.961.21.1251.351.8气试△P=0.35MPaml/min23.329.237.346.75875.893.3116.7145.8175233.3切断时间s0.511.5234额定行程偏差%+6允许压差公称通径mm202540506580100150200气缸直径mm150200300400气源压力KPa500允许压差整机气关式流开4.04.02.62.23.82.62.01.951.59流关4.04.04.03.13.12.11.62.01.63整机气开式流开4.03.02.11.71.71.10.90.520.43流关4.04.01.04.04.03.62.73.42.2外形尺寸mm公称通径DN202540506580100150200LPNMPa1.61941972352672923173685006354.06506.4206210251286311337394520650H65708590100105125170205不带手轮H1常温型445455485485605605620962988中温型59660663663677077078511781226带手轮H1常温型63064067067079079080510871113中温型78179182182195595597013031351H2160160160160160160270270270H3220220220220220220390390390气动活塞切断阀常温型气动活塞切断阀中温型)
上海上业阀门制造有限公司
业务 QQ: 1228501506