Pipe Flange Standards-ANSI/ASME/BS/EN/JIS/GOST/DIN/GB Flange

Pipe Flange Standards mainly include three systems in the world, ANSI/ASME flange system(American), DIN flange system(European system), JIS flange system, other system made according to this three systems, like GB flange standard, which mainly made according to ANSI/ASME and DIN flange standard, Duwa Piping supplies those flanges with top quality and soonest delivery time.

Pipe Flange standards list:
Name of Flange Standard Size of Flange Pressure Rating of Flange Type of flange Material of flange
 ANSI B16.5  1/2"--24"  150-2500LBS  BL,SO,SW,
LJ,WN,THD
A105,  A350LF2, A182 F11
A182 F304/F304L,F316/F316L
 LONG WN  1/2"--24"  150-2500LBS  Long welding-neck  
A105, A350LF2,
A182 F304/F304L,F316/F316L
 ANSI B16.47 A(MSS SP-44)  26"--60"  150--900LBS  BL,WN  A105,  A350LF2, A694,
A182 F304/F304L,F316/F316L
 BS3293-1960 STANDARD  26"--48"  150-600LBS  SO,WN  
A105, A350LF2,
A182 F304/F304L,F316/F316L
 ANSI B16.47 B(API605)  26"--60"  75--900LBS  BL,WN  
A105,  A350LF2,
A182 F304/F304L,F316/F316L
 ASME B16.36 STANDARD  1"--24"  300--2500LBS  SO,WN,THD  
A105,  A350LF2,
A182 F304/F304L,F316/F316L
 AWWA C207  4"--144"  Class B,D,E,F T/1  PL  
A105,
A181 A36,A516Gr.60,65,70
 EN1092-1:20002 STANDARD  DN10-4000 PN2.5,6,10,
16,25,40,63,100
TYPE01,02,
04,05,11,12,
13,21,32,33,34
 EN10025(S235JRG2),
EN10222-2AND3
(P245GH ANDP280GH),
EN10222-5(1.4303,1.4306,
1.4307,1.4401,1.4404,
1.4435,1.4541,1.4571)
A105/C21/1.0432 C22.8/
P150GH/1.0460
 BS4504 SEC.3.1/1989 STANDARD  NS15-2000  
PN2.5,6,10,
16,25,40
 
CODE101,102,
104,105,111,112,
113,121,132,133,
 BS970 070M20 BS4360
GR.43A BS1503-164 GR.490
 BS 1503-224 GR.410
 BS 1503-304S11
304S31 321S31 316S31 316S11
 BS10-1962 STANDARD  NB10-3000  
TABLE D/ 
E /F/H/J
 SO THD BL WN BS1501-161 GR.B  C BS1633
GR.B BS 1503-240
GR.240 BS 1503-620 BS3604
 ISO 7005-1 STANDARD  DN10-4000 PN2.5,6,10,16,
20,25,40,50,110,
150,260,420
 
TYPE01,02,03,
04,05,11,12,13,
14,15,21,32,33,34
 ISO2604-1 F8 F9 F13
 F18 F22 F49 F62 F46 F59
 
 NFE29203 STANDARD  DN10-600  
PN2.5,6,10,16,
20,25,40,50,100,
150,250420
 
TYPE01,02,03,04,
05,11,12,13,14,15,
21,32,33,34,35
 NFE29204 BF 42 
BF42N BF48 BF48N 
 JIS B2220 STANDARD  10A-1500A  
PN5K,10K,16K,
20K,30K
 
SOP(PL) 
SOH(SO A B C ) 
WN BL
 JIS G3101 SS41
 JIS G3201 
SF40A(S20C)
 AND SF45A(S25C) 
JIS G3202 SFVC1
AND SFVC 2A
 DIN STANDARD  DN10-4000  
PN2.5,6,10,16,
25,40,64,100,
160
 
SO,BL,PL,WN,
LOOSE,THD
 RST37.2/1.0038/
DIN17100C22.8/1.0460
A105/C21/1.0432 
1.430 1.4307 1

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