Fläns standard:

Nationell standard GB/T9115-2000, Ministry of Machinery STANDARD JB82-94, Ministry of Chemical Industry standard HG20595-97HG20617-97, Ministry of Electric Power standard GD0508 ~ 0509, amerikansk standard ASME/ANSI B16.5, japansk standard JIS/KS (5K, 10K, 16K, 20K), tysk standard DIN.

Flänsarkan klassificeras på flera olika sätt:
1. Enligt bearbetningsläget, enligt produktmaterialet, enligt produktionsstandarden, enligt anslutningsläget, enligt produktspecifikationerna, etc. Specifika omständigheter specifik klassificering.
2. Flänsmaterial: 20#, A105, Q235A, 12Cr1MoV, 16MnR, 15CrMo, 18-8, 321, 304, 304L, 316, 316L, etc.

American Standard Series:

Standard nr.Diameterområde tryckklass

ANSI B 16.5(88)1/2"-24" Class 150, 300, 600, 900, 1500, 2500
ANSI B 16.47(90)26"-60" Class 150,300,600,900
ASME B 16.5(96)1/2"-24" Class 150、300、600、900、1500、2500
ISO7005-1(92)1/2"-24"PN2.0 5.0 11.0 15.0 26.0 42.0
BS4504-3.1(89)1/2"-24" klass 150, 300, 600, 900, 1500, 2500
JPI 7S-15-931/2"-24" Class 150, 300, 600, 900, 1500, 2500
NF E29-2031/2"-24"PN2,0 5,0 11,0 15,0 26,0 42,0
API605-8126"-60" klass 150, 300, 600
ASME B 16.36(96)1"-24" Class 300、400、600、900、1500、2500

tysk standardserie:

Standard nr.Diameterområde tryckklass

DIN 2630 WNDN1200-DN24001 Bar
DIN 2631 WNDN10-DN36006 Bar
DIN 2632 WNDN200-DN300010 Bar
DIN 2633 WNDN10-DN200016 Bar
DIN 2634 WNDN200-DN100025 Bar
DIN 2635 WNDN10-DN50040 Bar
DIN 2636 WNDN10-DN40064 Bar
DIN 2637 WNDN10-DN350100 Bar
DIN 2638 WNDN10-DN300160 Bar
DIN 2573 PLDN10-DN5006 Bar
DIN 2576 PLDN10-DN50010 Bar
DIN 2527 PLDN10-DN5006 10 16 25 40 Bar
DIN 2501 WNDN15-DN50010 16 25 40 63 100 160 250 320 400 Bar
DIN 2566 THDN15-DN50010 16 Bar
DIN 2655 PLDN15-DN5000.25 0.6 1.0 1.6 2.5 4.0 Bar
DIN 2656 PLDN15-DN5000.25 0.6 1.0 1.6 2.5 4.0 Bar

Japansk standardserie:

Standard nr.Diameterområde tryckklass

JIS B 2220 PLDN10-DN4005K
JIS B 2220 SODN450-DN10005K
JIS B 2220 PLDN10-DN22510K
JIS 2220 SODN250-DN100010K
JIS 2220 SODN10-DN120016K 20K 30K
JIS 2220 WNDN15-DN40030K

National Standard Series:

Standard nr.Diameterområde tryckklass

GB/T 9112-9113.4-2000DN10-DN2000PN 0,25 0,6 1,0 2,5 4,0 6,3 10,0 16,0 Mpa
JB/T 74-86.2-94DN10-DN1600PN 0,25 0,6 1,0 2,5 4,0 6,3 10,0 16,0 20,0 Mpa
HG 20592-20626-97DN10-DN2000PN 0,25 0,6 1,0 2,0 2,5 4,0 5,0 6,3 10,0 11,0
15.016.0 25.0 26.0 42.0 Mpa
SH 3406-96DN10-DN1500PN 1,0 2,0 5,0 6,8 10,0 15,0 25,0 42,0 Mpa
GB/T 17241.1-17241.7DN10-DN4000PN 0,25 0,6 1,0 1,6 2,0 2,5 4,0 5,0 Mpa
GB/T 15530.1-15530.8DN10-DN1800PN 0,6 1,0 1,6 2,0 2,5 4,0 5,0 Mpa

Power Ministry-serien:

Standard nr.Diameterområde tryckklass

D-GD86-0510-0537DN15-DN2000PN 0,25 0,6 1,0 1,6 2,5 4,0 6,4 10,0 Mpa
DG0511-0541DN15-DN1000PN 0,25 0,6 1,0 1,6 2,5 4,0 6,4 10,0 20,0 32,0 Mpa

Tryckkärlsserie:

Standard nr.Diameterområde tryckklass

B/T 4701-2000(A) DN300-DN2000PN 0,25 0,6 1,0 1,6 10,0 Mpa
JB/T 4702-2000(B) DN300-DN3000PN 0,25 0,6 1,0 1,6 2,5 4,0 Mpa
JB/T 4703-2000(lång hals) DN300-DN2000PN 0,6 1,0 1,6 2,5 4,0 6,4mpa

Fraktserie:

Standard nr.Diameterområde tryckklass

GB573-581-76DN20-DN500PN 0,6 1,0 1,6 2,5 4,0 6,4 Mpa
GB2506-2507-89DN10-DN2000PN 0,25 0,6 1,0 1,6 2,5 Mpa
GB4450-84DN20-DN500PN 0,6 1,0 1,6 Mpa
GB10746-10749-89DN10-DN600PN 0,6 1,0 1,6 2,5 4,0 6,4 Mpa