Long Neck Flanges

Long Neck Flanges Features

Forming: forged
WELDING NECK RISE FACE REDUCER FLANGE（Long NECK ）

Long Neck Flanges 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