供应Alloy20锻件法兰，N08020合金钢法兰，NS1403平焊法兰

国标系列 national standard series

标准号通径范围压力等级gb/t 9112-9113.4-2000dn10-dn2000pn 0.25 0.6 1.0 2.5 4.0 6.310.0 16.0 mpajb/t 74-86.2-94dn10-dn1600pn 0.25 0.6 1.0 2.5 4.0 6.310.0 16.0 20.0 mpahg20592-20626-97dn10-dn2000

pn 0.25 0.6 1.0 2.0 2.5 4.0 5.0 6.3 10.0 11.0 15.0 16.0 25.026.0 42.0 mpa

sh 3406-96dn10-dn1500pn 1.0 2.0 5.0 6.8 10.015.0 25.0 42.0 mpagb/t .7dn10-dn4000pn 0.25 0.6 1.0 1.6 2.0 2.54.0 5.0 mpagb/t .8dn10-dn1800pn 0.6 1.0 1.6 2.0 2.5 4.05.0 mpa

电力部系列 power ministry series

标准号通径范围压力等级d-gd86-0510-0537dn15-dn2000pn 0.25 0.6 1.0 1.6 2.5 4.06.4 10.0 mpadg0511-0541dn15-dn1000pn 0.25 0.6 1.0 1.6 2.5 4.06.4 10.0 20.0 32.0 mpa

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 4.0mpajb/t 4703-2000(长颈)dn300-dn2000pn 0.6 1.0 1.6 2.5 4.0 6.4mpa船用系列 shipping series标准号通径范围压力等级gb573-581-76dn20-dn500pn 0.6 1.0 1.6 2.5 4.0 6.4mpagb2506-2507-89dn10-dn2000pn 0.25 0.6 1.0 1.6 2.5mpagb4450-84dn20-dn500pn 0.6 1.0 1.6 mpagb10746-10749-89dn10-dn600pn 0.6 1.0 1.6 2.5 4.0 6.4mpa