pamantayan ng flange:

Pambansang pamantayan GB/T9115-2000, Ministri ng Makinarya STANDARD JB82-94, pamantayan ng Ministri ng Industriya ng Kemikal HG20595-97HG20617-97, pamantayan ng Ministri ng Electric Power GD0508 ~ 0509, pamantayang Amerikano na ASME/ANSI B16.5, pamantayang Japanese na JIS/KS (5K, 10K, 16K, 20K), German standard na DIN.

Mga flangemaaaring uriin sa iba't ibang paraan:
1. Ayon sa mode ng pagpoproseso, ayon sa materyal ng produkto, ayon sa pamantayan ng produksyon, ayon sa mode ng koneksyon, ayon sa mga pagtutukoy ng produkto, atbp. Mga tiyak na pangyayari tiyak na pag-uuri.
2. Flange na materyal: 20#, A105, Q235A, 12Cr1MoV, 16MnR, 15CrMo, 18-8, 321, 304, 304L, 316, 316L, atbp.

American Standard Series：

Standard no. Klase ng presyon ng hanay ng diameter

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"Class 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"Class 150,300,600
ASME B 16.36(96)1"-24"Class 300、400、600、900、1500、2500

German Standard Series：

Standard no. Klase ng presyon ng hanay ng diameter

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

Japanese Standard Series：

Standard no. Klase ng presyon ng hanay ng diameter

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

Pambansang Pamantayang Serye：

Standard no. Klase ng presyon ng hanay ng diameter

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 Series：

Standard no. Klase ng presyon ng hanay ng diameter

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

Serye ng Pressure Vessel:

Standard no. Klase ng presyon ng hanay ng diameter

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(mahabang leeg) DN300-DN2000PN 0.6 1.0 1.6 2.5 4.0 6.4mpa

Serye ng Pagpapadala：

Standard no. Klase ng presyon ng hanay ng diameter

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