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
