J41不锈钢截止阀产品详情主要性能规范：型号公称压力试验压力工作温度(℃)适用介质强度(水)Mpa密封(水)空气(Mpa)低压密封(空气)MpaJ41W-16P(R)1.62.41.80.6≤200*类J41W-25P(R)2.53.82.80.6≤200*类J41W-40P(R)4.06.04.40.6≤200*类J41W-64P(R)6.49.67.00.6≤200*类主要零件的材料说明：零件名称材料Q41W-16P-25P-40RQ41W-16R-25P-40R阀体、阀盖铬镍钛钢铬镍钼钛钢阀板阀杆阀杆螺母铝铁青铜手轮灰铸铁、可铸锻铁主要外形尺寸：型号公称通径DN尺寸(mm)LDD1D2Hb-fZ-ΦdDoJ41W-16P(R)1513095654517016-24-1412020150105755519016-24-1414025160115856520516-24-14160321801351007827018-24-18180402001451108531018-34-182005023016012510035818-34-182406529018014512037318-34-182808031019516013543520-38-1832010035021518015550020-38-1836012540024521018561422-38-1840015048028024021067424-38-2340020060033529526581826-312-2345025073040535532096930-312-25550型号公称通径DN尺寸(mm)LDD1D2Hb-fZ-ΦdDoJ41W-25P(R)1513095654523316-24-1412020150105755527516-24-1414025160115856528516-24-14160321801351007830218-24-18180402001451108535518-34-182005023016012510036220-34-182406529018014512040022-38-182808031019516013543022-38-1832010035023019016046524-38-2336012540027022018855028-38-2540015048030025021870030-38-2540020060036031027878034-312-2545025073042537033590036-312-30550型号公称通径DN尺寸(mm)LDD1D2Hb-fZ-ΦdDoJ41W-40P(R)1513095654523316-24-144020150105755527516-24-145125160115856528516-24-1458321801351007830218-24-1866402001451108535518-34-18765023016012510037020-34-18886529018014512040822-38-181108031019516013543622-38-1812110035023019016047524-38-2315012540027022018855828-38-2517815048030025021872030-38-2520420060037532028280038-312-30260J41W-64P(R)15170105755524018-24-144120190125906828020-24-1851252101351007829022-24-1858322301501108232524-24-2366402601651259536024-34-23765030017513510541026-34-23886534020016013043028-38-231108038021017014046530-38-2312110043025020016853732-38-2515012550029524020263036-38-3017615055034028024079038-38-3420420065040534530091044-312-34260J41W/Y不锈钢法兰截止阀球阀是用带圆形通孔的球体作启闭件，球体随阀杆转动，以实现启闭动作的阀门。
1、球阀的主要优点1流体阻力小，全开时球体通道、阀体通道和连接管道的截面积相等，并且成直线相通，介质流过球阀，相当于流过一段直通的管子，在各类阀门中球阀的流体阻力**小。
2启闭迅速，启闭时只需把球体转成900,方便而迅速3结构较简单，体积较小，重量较轻。
特别是它的高度远小于闸阀和截止阀。
4密封性能较好。
球阀一般采用具有弹性的软质密封圈。
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