品牌鼎达种类ddcv双瓣式材质不锈钢连接形式对夹结构形式升降式型号h71公称通径15--250（mm）适用介质弱酸碱介质压力环境常压标准国标流动方向单向驱动方式水力控制工作温度常温类型(通道位置)直通式
h71对夹升降式止回阀（国标）h71 wafer type lift check valve(gb standard)
公称压力
pn（mpa)
norminal
pressure公称通径
dn(mm)
norminal
diameter尺寸(mm)dimension重量（kg)
weight配管法兰（供参考）
flange(as referenced)ldd3d2螺栓孔中
心圆直径d1
diameter of the bolt螺栓数量
of
the bolt
螺栓直径d
diameter
of the bolt螺栓长度l1
length of
the bolt4.0.12654m128020196219520.24754m129025227224600.34854m12903228833.59339740.801104m948981.21254m9631172.21458m4781283.11608m6898/91908m20123/142208m242058//2832012m27275250160353248/4238512m302956.415256215/0.5754m121002031.57319/0.7904m/1.01004m31/1.31104m209/2.01254m208/3.21354m203/4.51608m208/51708m2098/72008m24200125110211123/132408m272458/222808m30270200160310198/403458m33325250180362248/604008m3335010.015256215/0.6754m121002031.57319/1.0904m/1.31004m31/1.61104m209/2.51254m208/3.81454m243/61708m248/71808m2498/102108m27220125110218123/182508m302658/3029012m30285200160324198/5636012m33345250180392248/7043012m36365
h71对夹式降式止回阀（美标）h71 wafer type lift check valve(ansi standard)
压力级
pressure
rating口径dn尺寸（mm)dimension重量
(kg）
weight配管法兰（供参考）flange(as referenced)npsdnldd3d2螺栓孔中
心圆直径d1
diameter of the bolt螺栓数量
of
the bolt螺栓直径d
diameter of the bolt螺栓长度l1
length of
the boltinmmclass1501/2.1260.541/2m14903/420/2m14100/25226524600.3479.541/2m141101 1/43228743/2m141201 1/24031.58439740.8098.541/2m0348981.2120.545/8m161452 1/26546122631172.2139.545/8m35781283.1152.545/8m17398-5.8190.585/8m195123-12216.083/4m2021068-17241.583/4m202308200.583/4m2027010250/8m24290class3001/215255215-0.366.541/2m141003/42031.56519-0.4682.545/8m4-0.68945/8m161201 1/432408131-0.898.545/8m161301 1/240459439-1.5114.543/4m2048-2.4127.085/8m161502 1/2656312863-3.0149.083/4m2078-4.0168.583/4m20998-5.5200.083/4m2020051251102.083/4m2024068-22270.0123/4m202608200/8m2431010250m27330class6001/215255215-0.366.541/2m141003/42031.56519-0.4682.545/8m4-0.689.045/8m161201 1/432408131-0.898.545/8m161301 1/240459439-1.5114.543/4m2048-2.4127.085/8m161502 1/2656312863-3.0149.083/4m2078-4.0168.583/4m20198-5.5216.083/4m242005125110239123-13267.083/4m2724068-22292.0123/4m272908200/8m3035010250m33370class9001/2.682.543/4m201253/42031.56930190.989.043/4m20.2101.547/8m241551 1/432408743311.5111.047/8m241601 1/240459752392.0124.041m2762485.5165.087/8m241952 1/26563.581m2720768190.587/8m242104100802041129514235.081 1/8m30245512511024512511027279.581 1/4m332906012741317.5121 1/8m303108200576393.5121 3/8m36