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1、止回阀螺纹止回阀内螺纹旋启式止回阀产品名称：内螺纹旋启式止回阀产品型号：H14W产品口径：DN15-50产品压力：1.6MPa产品材质：铸铁、铸钢、不锈钢等产品概括：生产标准：国家标准GB、机械标准JB、化工标准HG、美标API、ANSI、德标DIN、日本JIS、JPI、英标BS生产。阀体材质：铜、铸铁、铸钢、碳钢、WCB、WC6、WC9、20#、25#、锻钢、A105、F11、F22、不锈钢、304、304L、316、316L、铬钼钢、低温钢、钛合金钢等。工作压力1.0Mpa-50.0Mpa。工作温度：-196-650。连接方式：内螺纹、外螺纹、法兰、焊接、对焊、承插焊、卡套、卡箍。驱动方式
2、：手动、气动、液动、电动。 产品详细信息止回阀：止回阀又称单向阀或逆止阀，其作用是防止管路中的介质倒流。水泵吸水关的底阀也属于止回阀类。启闭件靠介质流动和力量自行开启或关闭，以防止介质倒流的阀门叫止回阀。止回阀属于自动阀类，主要用于介质单向流动的管道上，只允许介质向一个方向流动，以防止发生事故。止回阀按结构划分，可分为升降式止回阀、旋启式止回阀和蝶式止回阀三种。升降式止回阀可分为立式和卧式两种。旋启式止回阀分为单瓣式、双瓣式和多瓣式三种。蝶式止回阀为直通式、以上几种止回阀在连接形式上可分为螺纹连接、法兰连接和焊接三种。特点：1、螺纹可按BSPT、BSP、NPT、DIN259/2999生产2、硅
3、溶胶精密铸造不锈钢阀体、阀盖、阀瓣3、适用于水、油、气及某些腐蚀性流体介质4、常温额定工作压力为200PSI（1.4MPA）材料目录ITEMPAPTS 部件AMTERIAL材质 1 CAP阀盖CF8/CF8M 2 BODY阀体CF8/CF8M 3 PETAL阀瓣CF8/CF8M 4 PIN圆柱销304 5 GASKET密封垫PTFE 6 GASKET密封垫PTFE 7 BOLT螺栓304广泛用于化工工业压力定额：200PSI（无应力冲击的油品，气体，水）蒸气压力定额：150PSI（工作气压）温度范围：+232（最大值）蜡模铸造阀体，中塞和阀盖（固熔化处理）螺纹类型：BSPT，NPT或ZG，G螺
4、纹阀盖旋启式启闭件技术参数:阀体材质-不锈钢工作温度（）+232公称通径DN(mm)1/2性能描述:用途广泛用于化工工业止回阀系列价格供用户或设计院工程项目做预算止回阀H41W-16P口径4Ni8Ni316普料DN15187.5225315DN20202.5262.5352.5142.5DN25225292.5412.5157.5DN32292.5375502.5217.5DN40367.5465637.5262.5DN50442.5585825322.5DN65622.5757.51125435DN1807809751432.5540DN1009601207.51762.5705DN1251
5、597.519352857.51260DN1502100277540351642.5DN20039455377.56772.53105DN25074259600DN3001080014400止回阀H42W-16P止回阀H44W-16P口径4Ni8Ni316普料4Ni8Ni316普料DN15157.5307.5127.5255285367.5187.5DN20187.5248 337.5142.5255300367.5187.5DN25195278 367.5157.5270322.5420202.5DN32225323 457.5202.5337.5382.5525240DN40270405
6、540240390465652.5277.5DN50367.5473 637.5277.5457.5585825345DN65495623 892.5360630757.51095457.5DN180607.5758 1072.5457.5787.59751425555DN100757.5975 1312.55709601207.51845705DN1251312.51598 2152.59751507.521002857.51260DN1501597.52100 28201207.5235527753997.51650DN2002943698 4702.523553952.54702.567
7、202940DN25058507425 960064508100DN30067509150 11775780010650型号H41HH44HH41HH41HH41HH41HH41HH41HH41H16C25C1BC25C16C25C40C64C100C普通（沙铸）中型（精铸）重型材质(15-200口径均为精铸）15120120120120127.5127.5127.519519520127.5127.5127.5127.5135135135240240250135135142.5142.5142.5142.5247.5247.532202.5202.5202.5202.5210217.5217
8、.540540540255255255255285285285570570502852852852853153153156456756537537542042046546546576582580480480502.5502.560060060011251200100600645645682.5780825825142515001258559309009751125120012002025217515010801155117012451620169517252775292520018001950192020252475262527754725495025031503375352537204200
9、697575003004800510052505550645011250120003507200780079508250870014250180004009450990001020045012000127505001950020250600型号H44H-16CH44H-25CH44H-40CH44H-16CH44H-25C普通型（沙铸）中型（精铸）15157.5157.5157.5157.5157.52016516516516516525172.5172.5172.5172.5172.532217.5217.5217.5217.5217.540247.5247.5247.5247.5247.5
10、5028528528528528565382.5382.539042042080480480495510510100600637.566063067512585590093090097515010801155117011701275200165017251875172518752502550270030003003600390046503505250600063004006750795045097501095050011250127506002175024000型号H44H-16CH44H-25CH44H-40CH44H-64CH44H-100C重型材质重型材质（15-200口径均为精铸）15
11、157.5157.5157.53003002016516516534534525172.5172.5172.5367.5367.532217.5217.5217.5420420402852852855705705031531531564567565465465465750825806006006001125120010078082584013501500125112512001230202521751501575165017252700292520021002250255042004500250322534504125652569003004500510057009450103203506600727585501350015450400825091509900165001875045012000126001410021000225005001425015450168002700030000600247502700030750口径H42H-16CH42H-25CH42H-16CH42H-16CH42H-25CH42H-64CH42H-100C普通型（
