The nominal pressure PN of flanges includes the following ten grades

0.25MPa (2.5 bar), 0. 6MPa (6bar) 1. 0MPa (10bar) 1. 6MPa (16bar)2. 5MPa (25bar) 4  (100bar)16. OMPa (160bar) 25. OMPa (250bar)



DIN Series PN 2.5 PN6 PN10 PN16 PN25 PN40 PN63 PN100

ANSI Series PN20 PN50 PN110 PN150 PN260 PN420



Common materials of titanium flange: TA1(GR1) TA2(GR2), TA9(GR7), TA10(GR12), TC4(GR5)



Titanium flange standard:

GB 1048 Nominal pressure of piping elements

HG 20553 chemical piping seamless and welded steel pipe size selection series

HG 20593 Flat Welded Steel Pipe Flanges (European System)

HG 20594 Flat welded steel Pipe Flanges with neck (European System)

HG 20595 Butt-welded steel Pipe Flanges (European System)

HG 20596 Overall steel pipe Flanges (European system)

HG 20597 Undertake welding of steel pipe flanges (European system)

HG 20598 rebar pipe flanges (European system)

HG 20599 Butt Welding Ring loose sleeve steel Pipe Flanges (European system)

HG 20600 Flat Welded Ring Loose sleeve steel Pipe Flanges (European system)

HG 20601 steel Pipe Flanges (European System)

HG 20602 Pipe Flanges, lined in steel (European System)



Titanium flange material standards: GB/T16598-2013, GB/T25137-2010, ASTM B381 standards



Advantages of titanium flange: good corrosion resistance, light density, high strength.