Pipe Flange series

WN Flange,SO Flange,PL Flange,SW Flange,TH Flange,BL Flange

Pipe flanges provide you with easy access to your pipes for inspection, cleaning, or any necessary modifications. A good flange lets you get in and out with no problems at all, and can be used across a wide range of industries.

We manufacture a wide range of pipe flanges that can be custom-designed to your project’s needs. Whether it's a weld neck, slip-on, threaded, socket, plate, or a blind flange to close the end of your pipe, get in touch with our team and we can advise and choose the right flange for your requirements.

As China's leading manufacturer of steel pipe flanges, we can safely say that you're getting a product that won't be beaten anywhere in quality or price.

Have a look at our pipe flanges below. For more information on any of our range, please don't hesitate to get in touch.

Pipe flange

Pipe flange

Blind flange

Blind flange

Slip On flange

Slip On flange

Weld Neck flange

Threaded flange

Threaded flange

Socket Weld flange

Socket Weld flange

Plate flange

Plate flange

Stainless Steel flange

Stainless Steel flange

Product information


  • Size: 1/2″-96″, DN 15mm-DN 2400mm.
  • Pressure: Class150#--6000# (PN6-PN40) or made to meet your special requirements.
  • Material: carbon steel, alloy steel, stainless steel.
  • Type: WN, SO, SW, TH, PL, BL.
  • Standard: ANSI/ASME, API, ISO, DIN, JIS, BS, NF.
  • Surface treatment: Transparent oil or hot galvanized.
  • Marking is according to our standard and negotiation with you.
  • Delivery: our pipe flanges are packed in plywood cases or pallets suitable for long sea transit to protect your goods from damage.  
  • Payment: T/T OR L/C.
  • Carbon steel: ASTM/ASME A105.
  • Low temperature steel: ASTM/ASME A350 LF1-LF2-LF3.
  • High performance steel: ASTM/ASME A694 F42-F46-F52-F60-F65-F70.
  • Alloy steel: ASME A182/182M F5-F9-F11-F12-F22-F91.
  • Stainless steel: ASTM/ASME A182/182M F304-F304L-F316-F316L-F321-F347;A182F51/UNS S31802.
  • All production processes are strictly undertaken according to ISO9001:2000.
  • 100% NDT for each pipe flange.
  • 100% X-Ray for weld pipe flange.
  • Each order includes a manufacturer test certificate and third-party inspection report (if the customer is appointed before orders).