Butt welded pipe cap

Butt welded pipe end cap is mounted on the pipe ends or external thread to cover plugging the pipe fittings used to seal the pipeline industry, the role of the male plugs the same cap include: hemispherical cap, oval cap , dish-shaped crown cap and ball cap. Our cap carbon steel pipe cap, stainless steel cap, alloy pipe caps, etc., can meet your needs.

Butt welded pipe cap


ASME B16.9-2007 

B16.25-2007 ASME 

ASME B16.5-2007 

EN10253-1-1999 EN10253-2-2007 EN10253-3-2008 EN10253-4-2008 

DIN2605-1-1992 DIN2605-2-1995 

JIS JIS B2313-2009 B2312-2009 B2311-2009 JIS 

GB / T12459-2005 GB / T13401-2005 GB / T10752-2005 

SH / T3408-1996 SH / T3409-1996 

SY / T0609-2006 SY / T0518-2002 SY / T0510 -1,998 

DL / T695-1999 GD2000 GD87-1101 

HG / T21635-1987 HG / T21631-1990




Production process: 

the use of bending, compression, push the system, molding, machining and other cold or hot molding process. 

Application sectors: 

electricity, oil and gas, petrochemical, chemical, shipbuilding, heating, papermaking, metallurgy, etc.

Size: Caps : 1/2 "~ 78" DN15 ~ DN1900

wall thickness: sch10, sch20, sch30, STD, sch40, sch60, XS, sch80, sch100, sch120, sch140, sch160, XXS, sch5s, sch20s, sch40s, sch80s

maximum wall thickness : 150mm


Carbon steel: ASTM / ASME A234 WPB-WPC

alloys: ASTM / ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP 911

Stainless Steel: ASTM / ASME A403 WP 304-304L -304H-304LN-304N

ASTM / ASME A403 WP 316-316L-316H-316LN-316N-316Ti

ASTM / ASME A403 WP 321-321H ASTM / ASME A403 WP 347-347H

cold steel: ASTM / ASME A402 WPL 3-WPL 6

High performance steel: ASTM / ASME A860 WPHY 42-46-52-60-65-70

Cap parameters 

Outside diameter 1/2 "~ 78" DN15 ~ DN1900
Wall thickness 2mm ~ 150mm sch10, sch20, sch30, std, sch40, sch60, xs, sch80, sch100, sch120, sch140, sch160, xxs, sch5s, sch20s, sch40s, sch80s


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