WELD NECK FLANGES
- PRODUCT DETAIL
ASME/ANSI B16.5 WELD NECK (WN) PIPE FLANGES CARBON, ALLOY, STAINLESS STEEL WELDNECK FLANGES
Welded Neck Flange, WN Forged Flanges,
Weld Neck Flanges Production Range
Size: 1/2″ (15 NB)to 48″ (1200NB)
Standards:ANSI B16.5, ANSIB16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Pressure Ratings: Class 150,Class 300, Class 400, Class 600, Class 900, Class1500, Class 2500 | PN6, PN10,PN16, PN25,PN40, PN64 etc.
Flange Face Type: Flat Face(FF), Raised Face (RF), Ring Type Joint (RTJ)
Coating/SurfaceTreatment: Anti-rustPaint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized
Technical Information – Specifications, Dimensions Weld Neck Flanges
ANSI/ASME B16.5 Welding Neck Flange150lb
ANSI/ASME B16.5 Welding Neck Flange300lb
ANSI/ASME B16.5 Welding Neck Flange400lb
ANSI/ASME B16.5 Welding Neck Flange600lb
ANSI/ASME B16.5 Welding Neck Flange900lb
ANSI/ASME B16.5 Welding Neck Flange1500lb
ANSI/ASME B16.5 Welding Neck Flange2500lb
ANSI/ASME B16.47 Series B Weld Neck Flange 75lb
ANSI/ASME B16.47 Series B Weld Neck Flange 150lb
ANSI/ASME B16.47 Series B Weld Neck Flange300lb
ANSI/ASME B16.47 Series B Weld Neck Flange 600lb
ANSI/ASME B16.47 Series B Weld Neck Flange 400lb
ANSI/ASME B16.47 Series B Weld Neck Flange 900lb
Welding Neck WN Flange Specification:
| Standard | Type | Class | Size |
| ASME B16.5 | WN/LWN/SO/Blind/Lap Joint | 150#-2500# | 1/2″-24″(Except Blind Flange 2500lb 1/2″-12″) |
| ASME B16.47 Series A | WN/blind flange | 150# -900# | 22″-48″(Except 900# Size:26″-48″) |
| ASME B16.47 Series B | WN/blind flange | 75#-300# | 26″-48″ |
| 400# 600# 900# | 26″-36″ | ||
| EN1092-1:2002 | Plate flange for welding/loose plate flange with weld-on plate collar or for lapped pipe end/Blind/WN flange | PN2.5-PN100 | DN10-DN4000 |
| JIS B2220 | Welding Flange, Lap joint flange, threaded flange | PN6-PN100 | DN10-DN1500 |
| BS4504 BS10 TableD/E | Plate Flange for welding/WN flange/Blank Flange | PN6-PN100 | DN10-DN1500 |
| Sealing Surface | RF FF RTJ TF GF LF LM | ||
| Flange Face Finish | Stock Finish/Spiral Serrated/Concentric Serrated/Smooth Finish(Ra 3.2 and 6.3 micrometers) | ||
| 125-250 AARH(it is called smooth finish) | |||
| 250-500 AARH(it is called stock finish) | |||
| Coating | Vanish, yellow paint, anti-rust oil, galvanizing etc | ||
WN Flange Material Grades:
| Carbon Steel | ASTM /ASME A/SA105(N), A350 LF2/LF3, A694 F52, F56, F60, F65, F70 | ||
| Alloy Steel | ASTM/ASME A/SA 182 F5, F9, F11, F22, F91 | ||
| Stainless Steel | ASTM/ASME A/SA 182 F304, 304L, 304H, 310H, 316, 316H, 316L, 316Ti, 317, 317L, 321, 321H, 347, 347H, 904L | ||
| Duplex and Super Duplex | ASTM/ASME A/SA 182 F44, F45, F51, F53, F55, F60, F61, S31803, S32205, S32550, S31254, SMO254, S32750, S32760, S32950 | ||
| Nickel Alloy Steel | ASTM/ASME B/SB 564 UNS N02200(NICKEL 200), UNS N04400, (MONEL 400), UNS N08825( INCOLOY 825), UNS N06600(INCONEL 600), UNS N06601(INCONEL 601), UNS N06625(INCONEL 625), UNS N10276(HASTELLOY C276) | ||
| ASTM/ASME B/SB160 UNS N02201(NICKEL 201), ASTM B/SB472 UNS N08020(Alloy 20) | |||
| Copper Alloy | ASTM/ASME B/SB151 UNS N07060, 71500, C70600(CuNi 90/10), C71500(CuNi 70/30) | ||
| Titanium | ASTM/ASME B/SB381 Grade 2, Grade 5, Grade 7 |