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Standard for stainless steel pipe fittings

Mar 30, 2018
压力容器系列 Pressure Vessel Series
标准号通径范围压力等级
JB/T 4701-2000(甲型)DN300-DN2000

PN 0.25 0.6 1.0 1.6 10.0 Mpa

JB/T 4702-2000(乙型)DN300-DN3000PN 0.25 0.6 1.0 1.6 2.5 4.0 Mpa
JB/T 4703-2000(长颈)DN300-DN2000PN 0.6 1.0 1.6 2.5 4.0 6.4 Mpa