Pipe Cap series

Seamless cap, Butt Weld End Cap

Pipe caps can be used to connect pipes of different diameters, or for protecting your pipes to keep out dirt and other materials. Our pipe caps have been used in a wide range of different applications, including various chemical and construction industries, paper, cement, and ship building.

Our pipe caps arrive at your project site on time, every time, in perfect condition, ready for installation.

As China's leading manufacturer of specialist pipe caps, you can take comfort knowing that you're only getting the best quality product, at a competitive price.

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

Pipe cap

Pipe cap

Butt Weld End Cap

Butt Weld End Cap

Pipe Fitting cap

Pipe Fitting cap

Large Size cap

Large Size cap

Seamless cap

Seamless cap

Carbon Steel Butt Weld cap

Carbon Steel Butt Weld cap

Stainless Steel Butt Weld cap

Stainless Steel Butt Weld cap

Alloy Steel Butt Weld cap

Alloy Steel Butt Weld cap

Product information


  • Size: 1/2″-96″, DN 15mm-DN 2400mm.
  • Thickness/Pressure: ≥2mm or made to meet your special requirements.
  • Material: Carbon steel, alloy steel, stainless steel.
  • Standard: ANSI/ASME,API,ISO,DIN,JIS,BS,NF
  • Surface treatment: Transparent oil, rust-proof black oil or hot galvanized.
  • Marking is according to our standard and negotiation with you.
  • Delivery: our pipe caps 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 234WPB;DIN St37.0-St35.8Ⅰ-St35.8Ⅱ;JIS PG370-PT410.
  • Low temperature steel: ASTM/ASME A420 WPL3 - WPL6.
  • High performance steel: ASTM/ASME A860 WPHY 42-46-52-60-65-70;MSS-SP-75 WPHY 42-46-52-60-65-70.
  • Alloy steel: ASTM/ASME A234 WP5-WP9-WP11-WP12-WP22-WP91.
  • Stainless steel: ASTM/ASME A403 WP 304-304L-316-316L-321-321H-347-347H;A815 UNS S31803.
  • All production processes are strictly undertaken according to ISO9001:2000.
  • 100% NDT for each pipe cap.
  • 100% X-Ray for weld pipe cap.
  • Each order includes a manufacturer test certificate and third-party inspection report (if the customer is appointed before orders).