Long Neck Flanges

Product description

Long Neck Flanges Features

Forming: forged

WELDING NECK RISE FACE REDUCER FLANGE（Long NECK ）

Long Neck Flange Materials

Stainless Steel：

OCr18Ni9, 0Cr18Ni9Ti, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, 00Cr19Ni10, 00Cr17Ni14Mo2,

ASTM A182-F304, F304L, F304H, F316, F316L, F321, F321H, F347H

Super Stainless Steel:

ASTM A182-904L, 317, 317L

Duplex Steel：

ASTM A182-F51, F53, F44

Special Steel：

N06600, N08800, N08811

Alloy Steel：

16Mn, 12CrMo, 15Cr5Mo, Cr5Mo, 12Cr1MoV, ASTM A182-F11, F22, F91 F9 F5

Pipe Line：

ASTM A694-F42, F46, F48, F50, F52, F56, F60, F65, F70, F80

Carbon Steel：

ASTM A350-LF2, LF3 Q235A, 20#, ASTM A105

Long Neck Flanges Dimensions & Standard & Rate

DIN2631 DN10-DN200 PN6

DIN2632 DN10-DN200 PN10

DIN2633 DN10-DN200 PN16

DIN2634 DN10-DN100 PN25

DIN2635 DN10-DN600 PN40

DIN2636 DN10-DN400 PN64

DIN2637 DN10-DN350 PN100

DIN2638 DN10-DN300 PN160

DIN2627 DN10-DN200 PN400

DIN2628 DN10-DN250 PN250

DIN2629 DN10-DN250 PN320

ASME/ANSI B16.5 1/2"-24" 150LB 300LB 600LB 900L 1500LB

1/2"-12" 2500LB

ASME B16.47 Serie A/B 26"-60" 150LB 300LB 600LB

26"-48" 900LB