Stainless Steel Stainless Steel Shoulder Plugs for Heat Exchanger
Stainless Steel Shoulder plugs or header plugs are made for plug type header boxes in air cooled heat exchangers or fin fan air coolers. A shoulder plug and gasket are located opposite each tube which allows access for inspection and cleaning of individual tubes. Spare plugs and gaskets may be needed to replace originals during routine maintenance or used to plug leaking tubes.
Stainless Steel Header Plugs are installed in upstream offshore/onshore oil production and initial processing installations.
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Steel Shoulder Plug Sizing Chart |
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| A | B |
Hex |
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Tube OD |
Plug Diameter | UNF Thread | Under Head | Size |
|
5/8″ |
3/4″ |
16 |
3/4″ |
1″ |
|
7/8″ |
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|
1″ |
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|
1″ |
1 1/8″ |
12 |
3/4″ |
1 3/8″ |
|
7/8″ |
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|
1″ |
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|
1 1/8″ |
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|
1 1/4″ |
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|
1 3/8″ |
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|
1 1/2″ |
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|
1 1/4″ |
1 3/8″ | 12 | 3/4″ | 1 5/8″ |
|
7/8″ |
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|
1 1/8″ |
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|
1 1/4″ |
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|
1 1/2″ |
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|
1 1/2″ |
1 5/8″ | 12 | 1″ | 1 7/8″ |
|
1 1/8″ |
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|
1 1/4″ |
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|
1 3/8″ |
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|
1 1/2″ |
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|
2″ |
2 1/8″ |
12 |
1 1/4″ |
2 3/8″ |
