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    Langfang Dingyang Flange&Pipe Fitting Co.,Ltd

    • Address: Room1-3-908 Zijincheng Commercial Building, Guangyang District, Langfang, Hebei , China
    • Email: Email
    • Phone: 86-316-5120812

    Business description

    we have our own pipe fitting factory since 1998 ,which covers 100 acres.

    In 1998, we invested and set up a new flange factory.

    Latest listings



    • Weldring Neck
      Weldring Neck
      Metals - Stainless Steel - Langfang Dingyang Flange&Pipe Fitting Co.,Ltd - China - January 22, 2026 - 5.00 Dollar US$

      We offer customized weldneck flange solutions, including special dimensions, surface treatments (galvanized, painted, pickled and passivated) and machining specifications, to meet the unique needs of our global customers. Our products are backed by c...

    • Weld On Collar Plate
      Weld On Collar Plate
      Metals - Stainless Steel - Langfang Dingyang Flange&Pipe Fitting Co.,Ltd - China - January 22, 2026 - 5.00 Dollar US$

      Weld-on collar plates are essential welded accessories for piping and flange systems, engineered as precision-machined circular or annular steel plates designed for permanent welding installation on pipe bodies, weldneck flange hubs, or equipment noz...

    • Stainless Steel Weld Neck Wn Ansi 150lb Flange
      Stainless Steel Weld Neck Wn Ansi 150lb Flange
      Metals - Stainless Steel - Langfang Dingyang Flange&Pipe Fitting Co.,Ltd - China - January 22, 2026 - 5.00 Dollar US$

      Description Material Stainless steel ASTM A182, F304/304L, F316/316L Carbon steel ASTM A105. ASTM A350 LF1. LF2, CL1/CL2, A234, S235JRG2, P245GH P250GH, P280GHM 16MN, 20MN, 20# Alloy steel ASTM A182 A182 F12, F11, F22, F5, F9, F91etc. Flange Standard...

    • Threaded Th Flange
      Threaded Th Flange
      Metals - Stainless Steel - Langfang Dingyang Flange&Pipe Fitting Co.,Ltd - China - January 22, 2026 - 5.00 Dollar US$

      Description 1. Size: 1/2′ ‘to 80’ ‘. 2. Material: Carbon Steel: A105(N) C22.8 ST-37.2 S400 S440 SQ235(CS20#) A106B A53 Q345 Stainless Steel: 304, 304L, 316, 316L, A350 LF2, 321, 347, 347H Alloy Steel: ASTM A182 F1, F5a, F9, F11, F12, F22, F91 3. Pres...

    • Wn Weld Neck Flange
      Wn Weld Neck Flange
      Metals - Stainless Steel - Langfang Dingyang Flange&Pipe Fitting Co.,Ltd - China - January 22, 2026 - 5.00 Dollar US$

      Description 1. Size: 1/2′ ‘to 80’ ‘. 2. Material: Carbon Steel: A105(N) C22.8 ST-37.2 S400 S440 SQ235(CS20#) A106B A53 Q345 Stainless Steel: 304, 304L, 316, 316L, A350 LF2, 321, 347, 347H Alloy Steel: ASTM A182 F1, F5a, F9, F11, F12, F22, F91 3. Pres...

    • Weldneck Stainless Steel Flange
      Weldneck Stainless Steel Flange
      Metals - Stainless Steel - Langfang Dingyang Flange&Pipe Fitting Co.,Ltd - China - January 22, 2026 - 5.00 Dollar US$

      Key features of weldneck flanges include superior structural stability, excellent leak resistance, uniform stress distribution and compatibility with butt-welded piping systems. They undergo strict quality control processes, including dimensional ins...



    • Weldneck Flange
      Weldneck Flange
      Metals - Stainless Steel - Langfang Dingyang Flange&Pipe Fitting Co.,Ltd - China - January 22, 2026 - 5.00 Dollar US$

      Weldneck flanges, a premium and widely used type of pipe flange, are engineered with a long, tapered hub that seamlessly integrates with the pipe via a butt weld. This structural design creates a permanent, high-integrity joint, eliminating potential...

    • Weld Sw Flange
      Weld Sw Flange
      Metals - Stainless Steel - Langfang Dingyang Flange&Pipe Fitting Co.,Ltd - China - January 22, 2026 - 5.00 Dollar US$

      Description 1. Size: 1/2′ ‘to 80’ ‘. 2. Material: Stainless Steel flange: 304, 304L, 316, 316L, A350 LF2, 321, 347, 347H Alloy Steel flange: ASTM A182 F1, F5a, F9, F11, F12, F22, F91 3. Pressure: Class150, 300, 600, 900. PN6, PN10, PN16, PN25, PN40 a...

    • Plate Pl Stainless Steel Flange
      Plate Pl Stainless Steel Flange
      Metals - Stainless Steel - Langfang Dingyang Flange&Pipe Fitting Co.,Ltd - China - January 22, 2026 - 5.00 Dollar US$

      Description 1. Size: 1/2′ ‘to 80’ ‘. 2. Material: Stainless Steel: 304, 304L, 316, 316L, A350 LF2, 321, 347, 347H 3. Pressure: Class150, 300, 600, 900. PN6, PN10, PN16, PN25, PN40 and PN64 JIS 5K, 10K, 16K and 20K 4. Standard: ANSI, API, DIN, GOST, B...

    • So Slip On Flange
      So Slip On Flange
      Metals - Carbon Steel - Langfang Dingyang Flange&Pipe Fitting Co.,Ltd - China - January 22, 2026 - 5.00 Dollar US$

      Description 1. Size: 1/2′ ‘to 88’ ‘. 2. Material: Carbon Steel: A105(N) C22.8 ST-37.2 S400 P245/50/65GH A695 A350LF 3. Pressure: Class150-3000# PN6-PN64 J IS-20K 4. Standard: ANSI, API, DIN, GOST, BS, AS, JIS, UNI 5. Type: Slip-On, 6. Finish: back pa...



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