Standard and model of welding neck pipe flange

　　A weld neck flange is an industrial flange that has a long tapered hub. As an experienced flange maker in China, we at SHENGSENYUAN are able to provide weld neck flanges that are quality built, durable, deformation free and have good sealing effect. Our ANSI B16.5 150lbs Weld Neck Carbon Steel Pipe Flange is widely used for pipelines which are subject to high pressure and extreme fluctuations of temperature.

　　Types

　　ASME B16.5 and ASME B16.47 weld neck flanges

　　ASME B16.47, DIN 2631, DIN 2637, DIN 2632, DIN 2638 and DIN 2633 weld neck flanges

　　Size

　　3/8"~160"

　　DN10~DN4000

　　Pressure

　　American standard series: CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500, CLASS 2500

　　European standard series: PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100, PN 160, PN 250, PN 320, PN 400

　　Flange Facing Types

　　American series: Flat Face(FF), Raised Face(RF), Groove(G), Male and Female Face(MFM), Ring Joint(RJ)

　　Material

　　Carbon steel: A105

　　Alloy steel: A182F 1-F 2-F 5-F 9-F 10-F 91-F 92-F 122-F 911-F 11-F 12-F 21-F 22

　　Stainless steel: A182 304-304H-304L-304N-304LN 316-316H-316L-316N-316LN 321-321H-347-347H

　　Standard

　　GB/T9112-2000

　　GB/T9116 1-2000 GB/T9116 2-2000 GB/T9116 3-2000 GB/T9116 4-2000

　　GB/T9124-2000

　　SH/T3406-1996

　　GD2000 GD87-1101

　　HG/T20592-2009 HG/T20614-2009

　　HG/T20615-2009 HG/T20623-2009 HG/T20635-2009

　　ASME B16.5-2009

　　EN1092-1-2007 EN1759-1-2004

　　BS 1560-3 1-1989 BS 4504-3 1-1989

　　AFNOR NF E29-200-1-2007

　　ISO 7005-1-1992

　　AS2219-2000

　　JIS B2220-2004

　　Hebei Shengtian Pipe-Fitting Group Co., Ltd is a professional weld neck pipe flange manufacturer in China, mainly offers industrial pipe flanges, steel tubes and steel pipe fittings since 1989, providing high quality carbon steel pipe flanges, alloy steel flanges and stainless steel pipe flanges at reasonable prices. These pipe flanges are available with ASME standard, EN standard and JIS standard, offered in various shapes, sizes and materials.