Flange standard:

National 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, American standard ASME/ANSI B16.5, Japanese standard JIS/KS (5K, 10K, 16K, 20K), German muyezo DIN.

Flangesakhoza kugawidwa m'njira zosiyanasiyana:
1. Malinga ndi njira yopangira, malinga ndi zinthu zomwe zimagwiritsidwa ntchito, molingana ndi ndondomeko yopangira, molingana ndi njira yolumikizira, malinga ndi zomwe zimapangidwira, ndi zina zotero.
2. Zinthu za flange: 20 #, A105, Q235A, 12Cr1MoV, 16MnR, 15CrMo, 18-8, 321, 304, 304L, 316, 316L, etc.

American Standard Series:

Standard No. Diameter range pressure class

ANSI B 16.5(88)1/2"-24"Makalasi 150,300,600,900,1500,2500
ANSI B 16.47(90)26"-60"Makalasi 150,300,600,900
ASME B 16.5(96)1/2"-24"Makalasi 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"Maphunziro 150,300,600,900,1500,2500
JPI 7S-15-931/2"-24"Maphunziro 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"Maphunziro 150,300,600
ASME B 16.36(96)1"-24"Maphunziro 300,400,600,900,1500,2500

German Standard Series:

Standard No. Diameter range pressure class

Chithunzi cha DIN2630 WNDN1200-DN24001
Chithunzi cha DIN2631 WNDN10-DN36006
Chithunzi cha DIN2632 WNDN200-DN300010
Chithunzi cha DIN2633 WNDN10-DN200016
Chithunzi cha DIN2634 WNDN200-DN100025
Chithunzi cha DIN2635 WNDN10-DN50040
Chithunzi cha DIN2636 WNDN10-DN40064
Chithunzi cha DIN2637 WNDN10-DN350100
Chithunzi cha DIN2638 WNDN10-DN300160
Chithunzi cha DIN2573 PLDN10-DN5006
Chithunzi cha DIN2576 PLDN10-DN50010
Chithunzi cha DIN 2527 PLDN10-DN5006 10 16 25 40
DIN 2501 WNDN15-DN50010 16 25 40 63 100 160 250 320 400 Bar
Chithunzi cha DIN2566 THDN15-DN50010 16
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. Diameter range pressure class

Chithunzi cha JIS B2220 PLDN10-DN4005K
Chithunzi cha JIS B2220 SODN450-DN10005K
Chithunzi cha JIS B2220 PLDN10-DN22510K
Chithunzi cha JIS2220 SODN250-DN100010K
Chithunzi cha JIS 2220 SODN10-DN120016K 20K 30K
Chithunzi cha JIS2220 WNDN15-DN40030K

National Standard Series:

Standard No. Diameter range pressure class

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. Diameter range pressure class

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

Pressure Vessel Series:

Standard No. Diameter range pressure class

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(khosi lalitali) DN300-DN2000PN 0.6 1.0 1.6 2.5 4.0 6.4mpa

Kutumiza Series:

Standard No. Diameter range pressure class

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