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H42W/H/Y严格按 API6D、GB/T12235 标准设计制造,本系列阀门正常处于关闭状态,由于管线中进口端介质的压力作用,而克服弹簧阻力使阀门开启。当进口端介质压力低于出口端时,弹簧将阀芯推向阀座而使阀门关闭,阻止介质逆流,故起止回作用。本阀门由于采用弹簧支撑阀芯,故采用立式安装或卧式装均可。本产品广泛应用于石油、化工、制药、电力行业等各种工况的管路上。 c" h$?K
H42H/Y/W铸钢立式止回阀设计与制造标准 =XITL8lw
●设计与制造:API6D、GB/T12236 E1,'L*2U
●法兰尺寸:ASME B16.5 、JB/T79 9D:7RhGX
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●结构长度:ASME B16.10、GB/T12221 ?1J=zR^O
●检验与试验: GB/T13927 、JB/T9092 8y~:UEJjO
●客服热线:0577-67926616,57782818 A92Nahg
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详情http://www.baoteli.cn/proshow.asp?id=101 aELjCn"(
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产品概述 (保特律阀门) ``P$.iAK
该产品严格按 GB/T12235、API 标准设计制造,升降式止回阀是生产过程调节系统中的重要环节之一,是控制管道内介质单向流向的阀门,阻止介质倒流。阀瓣沿着中心定位作升降运动,衬套采用耐磨性能好,摩擦系数小的特殊材料制作,动作灵活可靠,密封性能优良。产品广泛应用于石油、化工、制药、电力行业等各种工况的管路上。 `w[(m'Z
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●设计与制造: API6D、GB/T12235 #;C!/<6
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