A flange is a rib or rim for strength, for guiding, or for attachment to another object. It is a method of connecting pipes, valves, pumps and other equipment to form a piping system. Pipes with flanges can be assembled and disassembled easily, so It also provides easy access for cleaning, inspection or modification.

Type of flanges
Size And Pressure Class
WELDING-NECK DN10-DN2000/PN6-PN400/ 150LB-2500LB
SLIP ON DN10-DN2000/PN6-PN400/ 150LB-2500LB
BLIND DN10-DN2000/PN6-PN400/ 150LB-2500LB
PLATE DN10-DN1800/PN6-PN400/ 150LB-2500LB
THREADED DN10-DN200/PN6-PN400/ 150LB-2500LB
SOCKET WELD DN10-DN200/PN6-PN400/ 150LB-2500LB
LAP JOINT DN10-DN1800/PN6-PN400/ 150LB-2500LB
ORIFICE DN10-DN1800/PN6-PN400/ 150LB-2500LB
LOOSE DN10-DN1800/PN6-PN400/ 150LB-2500LB
REDUCING FLANGE DN10-DN1800/PN6-PN400/ 150LB-2500LB
FLANGES ACCORDING DRAWING DN10-DN2000/PN6-PN400/ 150LB-2500LB

Material Grades:

A105/1.0432 A182 F304/1.4301 A182 F51/1.4462
A516 GR70/1.0481 A182 F304L/1.4306/1.4307 A182 F53/1.4410
A350 LF2/1.0556 A182 F316/1.4401 B381 GR.F1
A182 F5/1.7362 A182 F316L/1.4404/1.4435 B381 GR.F2
A182 F9/1.7386 A182 F316Ti/1.4571 B381 GR.F3
A182 F12/1.7335 A182 F321/1.4541 B564 UNS N04400
A182 F22/1.7360 A182 F321H/1.4878 B564 UNS N06600
A182 F11/1.7335

A694 F42,46,52,60,65,70

A182 F317L/1.4838 A182 F347/347H/1.4550 A182 F310/1.4841

904L/1.4539

B564 UNS N08120
Applicable standard:

ANSI NORMS MSS SP44 AWWA NORMS EN1092-1

DIN NORMS BS 4504

BS 10 TABLE FLANGES ISO-7005-1

JIS NORMS

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