Technical

Technical

Shouldered End Steel Pipe

The Shouldered End Ring is welded in house as per international Standards. The Hydro testing of the Shouldered End Pipes is performed .The material of pipe conforms to relevant Standard.
Shoulder Steel rings are welded with an interference fit with the outside of the pipe ends .The steel shoulder rings are fitted with Pipe ends which are within the tolerances as per Shoulder Dimensions, details as under. Shoulder rings are fitted with utmost care to ensure that ring distortion does not occur.

Shouldered Drawing

Pipe Size
(Inch)
Nominal Pipe Size mm OD
“D” Dia mm
“DS” Dia mm TOLERANCE “L” Dimension
Plus mm Minus mm mm
2 Inch 48 48 52 0.8 0.8 12
2 Inch 50 60.3 66.5 0.8 0.8 16
3 Inch 80 88.9 97 0.8 0.8 16
4 Inch 102 102 108 0.8 0.8 16
4 Inch 100 114.3 122 0.8 0.8 16
6 Inch 152 152 162 0.8 0.8 16
6 Inch 150 165.1 174.5 0.8 0.8 17.5
6 Inch 150 168.3 178 0.8 0.8 17.5
8 Inch 200 203 216 0.8 0.8 20.5
8 Inch 200 219.1 232 0.8 0.8 20.5
10 Inch 250 273 286 0.8 0.8 20.5
12 Inch 300 323.9 336.5 0.8 0.8 20.5
16 Inch 400 406.4 419 0.8 0.8 25.5
18 Inch 450 457 470 0.8 0.8 25.5

STAND OFF

Stand off i.e. the distance between the edge of the steel shoulder ring and the pipe end is accurately maintained.
5mm for pipe 88.9mm outside diameter and below.
6.5mm for pipe 114.3mm outside diameter up to and including 457mm outside diameter.

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DRAWINGS

Resilient Seated Gate Valve With Shouldered Ends

Resilient Seated Non-rising stem hand wheel operated Gate Valve with Shouldered / Grooved Ends are manufactured as per Australian

standard AS 2638.2 and other International Standards.

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Gate Valve with Shouldered Ends

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