The convex cap have several shapes: a hemispherical cap, an elliptical cap, a dish cap, and a spherical cap. From the point of view of force, the hemispherical cap is gradually not good to manufacture, but it is gradually manufactured from the viewpoint of manufacturing difficulty.
Ranges from connection types, there are:
Butt weld cap
Socket weld cap
Ranges from material types, there are:
Carbon steel pipe cap
Stainless steel cap
Alloy steel cap
BW Steel Cap
BW steel pipe cap is the butt weld type of fittings, connecting methods is to use butt welding. So BW cap ends in beveled or plain.
Socket Weld Steel Pipe Cap
Socket weld cap is to connecting pipes and caps by insert the pipe into the access shoulder area of the socket weld cap.
Our supply range for steel pipe caps
For Butt Weld Cap
Standard: ASTM A234, MSS SP-75, ASTM A403
Manufacturing Standard: ASME B16.9, DIN2615, JIS B2312
Size Range: 1/2”, 1”, 2”, 3”, 4”, 6”, 8”, 10”, 12”, 16”, 20” to 48”. (DN15-DN1200)
Thickness: SCH 10, SCH 40, SCH 80
Surface Coatings: Black Painted, Varnished, Epoxy Coated, Galvanized
For Socket Weld Cap (and Threaded Cap)
Standard: ASTM A105, ASTM A182
Manufacturing Standard: ASME B16.11
Dimensions: 1/2”, 1”, 1/2”, 2” and up to 4”
Pressure Ratings: 2000#, 3000#, 6000#, 9000#
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