EN
Caps are usually welded to the pipe end to cover the pipe fittings.
Stainless steel caps in English (Stainless steel caps) are also known as plugs or heads. Purpose: Pipe fittings that are welded on the pipe end or installed on the external thread of the pipe end to cover the pipe. Used to close the pipeline, the function is the same as the plug. Including 304 304L 316 316L 321 2520 310, 317, and other materials
| Size | O.D | E | Size | O.D | E |
| 1/2" | 21.3 | 25 | 18" | 457 | 203 |
| 3/4" | 26.7 | 25 | 20" | 508 | 229 |
| 1" | 33.4 | 38 | 22" | 559 | 254 |
| 1 1/4" | 42.2 | 38 | 24" | 610 | 267 |
| 1 1/2" | 48.3 | 38 | 26" | 660 | 267 |
| 2" | 60.3 | 38 | 28" | 711 | 267 |
| 2 1/2" | 73 | 38 | 30" | 762 | 267 |
| 3" | 88.9 | 51 | 32" | 813 | 267 |
| 3 1/2" | 101.6 | 64 | 34" | 964 | 267 |
| 4" | 114.3 | 64 | 36" | 914 | 267 |
| 5" | 141.3 | 76 | 38" | 965 | 305 |
| 6" | 168.3 | 89 | 40" | 1016 | 305 |
| 8" | 219.1 | 102 | 42" | 1067 | 305 |
| 10" | 273 | 127 | 44" | 1118 | 343 |
| 12" | 323.8 | 152 | 46" | 1168 | 343 |
| 14" | 355.6 | 165 | 48" | 1219 | 343 |
| 16" | 406.4 | 178 | |||
Both welded cap and threaded cap's material can be carbon steel, stainless steel, and other alloy steel.
Welded cap's wall thickness can be SCH10/10S, SCH20/the 20S, STD, SCH40/40S, XS, SCH80, XXS, ETC.(for ANSI), SGP(for JIS), Threaded cap's wall thickness is SCH40
Size: 1/2"-48"(DN15-DN1200), or even bigger
Finishing: Polished, Pickled.
Connection type: Butt Welding for welded cap, threaded connection for threaded cap
Cap has the pipe end sealing function, but the connection methods are different, butt-welding pipe cap is welded to the pipe end, the threaded cap is connected to the pipe thread.
Caps are usually welded to the pipe end to cover the pipe fittings.
Buttweld fittings are used to connect pipes and fittings ends by the butt welding process. Also known as welded pipe fittings, they have ended in beveled or plain.
Call us on: 
Email Us: 
No.68 Hezuo Road, Shijiazhuang City, Hebei Province, China 
