Welding Neck Flange
Welding Neck Flange supplier Derbo Steel can provide Class 150 to Class 2500 WN Flange, wall thickness SCH10 to SCH XXS, type of sealing face RF, FF & RTJ, material in kinds of carbon steel, low temperature carbon steel, alloy steel, stainless steel and so on.

WN Flange is flange that designed to be joined to a piping system by butt welding, according to ANSI B16.5/ANSI B16.47 Series A/ANSI B16.47 Series B American Standard. Meanwhile, DIN Standard, BS Standard, JIS Standard, GOST Standard, etc can be providing.
Products List
DB-WN-CS-15
China ASTM A105 RTJ WN Flange Manufacturer Derbo offers ASTM A105 Weld Neck Flange, 3 Inch (DN 80), 150 LB, ANSI B16.5, RTJ Face and Black coating.
DB-Flange-3152
China ASME B16.5 Flange, ASTM A350-LF2 CL1 Flange, WN RF Flange, 2" x Sch 40 CL300 Flange
DB-Flange-3151
China ASME B16.5 Flange, ASTM A105 Flange, WN Flange, RF Flange, 4" x Sch120 CL300 Flange
DB-Flange-3138
China ASME B16.47 Flange, BL Flange, RF serial B NPS 32 Flange, Class 150 SA-105N Flange
DB-Flange-3137
China ASME B16.47 Flange, WN RF serial B Flange, NPS 32'' Flange, Class 150 Schedule 10 Flange
DB- Weld Neck Flange - 3104
China Welding Neck RF FLANGE ASTM A182 F316L ASME B16.5
DB-Flange-3094
China 16IN SCH40S FLANGE, RF FLANGE, WN FLANGE, 150# FLANGE, SS FLANGE, ASTM A182-F316/316L FLANGE, ASME B16.5 FLANGE, SPEC ASDO1CX FLANGE
DB-Flange-3093
China 2IN SCH80S FLANGE, RF FLANGE, WN FLANGE, 150# FLANGE, SS FLANGE, ASTM A182-F316/316L FLANGE, ASME B16.5 SPEC ASDO1CX FLANGE
DB-Flange-3075
China ASTM A182 Gr. F316L Flange, WN Flange, RF Flange, 2" x sch 80 CL 150 Flange
DB- Weld Neck Flange - 3069
China ASTM A182 F316L 12 Inch Class 600 RF Sch80s Welding Neck RF FLANGE
DB- Weld Neck Flange - 3012
China WN RTJ FLANGE ASME B16.5 Hastelloy C276 12 Inch Sch.100 RTJ 1500LB
DB- Weld Neck Flange - 2993
China ASME B16.5 Hastelloy C276 WN RF FLANGE 6 Inch 900LB RF Sch.120
DB- Weld Neck Flange -2954
China ASTM A105M ASME-B16.5 WN RF Flange
DB- Weld Neck Flange -2947
China CLASS 900 RTJ 8INCH SCH120 ASTM A182 F9 ASME B16.5 WN RTJ Flange
DB- Welding Neck Flange -2934
China FLANGE WELD NECK 14INCH 150LB RAISED FACE SCH 20 For Pipe Connection
DB- Weld Neck Flange -2921
China ASTM A105N ASME B16.5 WN RTJ Flange Forged
DB- Weld Neck Flange -2911
China ASME B16.5 ASTM A105 6IN CLASS 900 RF SCH.120 For Pipe Connection
DB- Weld Neck Flange -2908
China WN RTJ Flange ASTM A105 ASME B16.5 2 Inch 1500LB RTJ SCH160
DB- Weld Neck Flange -2903
China ASTM A105N ASME B16.5 NACE MR 0175 Weld Neck RF Normalized Condition Flange