Monel 400 Shoulder Plugs for Heat Exchanger

Monel Shoulder Plug

Monel 400 and Monel 500 Shoulder 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.

 

Monel 500 Header Plugs  are installed in upstream offshore/onshore oil production and initial processing installations.

Monel 400 and Monel 500 Shoulder Plug

Monel 400 and Monel 500 Shoulder Plug Sizing Chart
  A   B Hex
Tube OD Plug Diameter UNF Thread Under Head

Size

5/8″

3/4″

16

3/4″

1″

7/8″

1″

1″

1 1/8″

12

3/4″

1 3/8″

7/8″

1″

1 1/8″

1 1/4″

1 3/8″

1 1/2″

1 1/4″

1 3/8″

12

3/4″

1 5/8″

7/8″

1 1/8″

1 1/4″

1 1/2″

1 1/2″

1 5/8″

12

1″

1 7/8″

1 1/8″

1 1/4″

1 3/8″

1 1/2″

2″

2 1/8″

12

1 1/4″

2 3/8″

 

 

 

Shoulder Plug for Heat Exchanger

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