Heat Exchangers Gaskets from USA Industries
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Tube Plugs, Gaskets &
Header Plugs

Flat Heat Exchanger Gaskets

The traditional solution to increasing your seal in an air cooled heat exchanger

Product Features

• Inexpensive solution to seal against header box leaks
• Can be used with your existing header plugs
• The traditional solution to heat exchanger leaks

Product Description

When tightening down header plugs to your Fin-Fan® / air cooled heat exchanger, it's standard operating procedure to include a simple flat gasket to prevent leaks and create a better seal. USA Industries has the capacity to produce massive quantities of flat heat exchanger gaskets in any material, at any size and with any specialty coatings you may require. We're available 24/7, and in-stock orders ship same day!

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Looking for an upgrade to traditional flat heat exchanger gaskets?
EZ Torque Heat Exchanger Gaskets

USA Industries has designed an all-new heat exchanger gaskets for use with header plugs in heat exchangers. Our EZ Torque® Gasket provides a positive seal with less than half the installation torque required for flat gaskets. The gasket is a serrated metal core with bonded layers of graphite on each surface. This greatly increases the ability of our gasket to seal against surface imperfections, eliminating expensive re-machining costs.

The EZ Torque Gasket helps lower the expense of downtime during your turnaround / shutdown by ensuring you pass leak tests on the first attempt. Our gasket also requires less torque, preventing the strain-hardening phenomenon that results in damage and deformation to header box gasket surfaces, plug thread galling, and thread shear within your header box.

View details on our EZ Torque® Gasket

Flat Gasket Sizing Chart
Tube OD
Plug Diameter
UNF Thread
Flat Gasket
Product #
5/8" 3/4" 16 1" SP-G-0750*(-M)
1" 1 1/8" 12 1 3/8" SP-G-1125*(-M)
1 1/4" 1 3/8" 12 1 5/8" SP-G-1375*(-M)
1 1/2" 1 5/8" 12 1 7/8" SP-G-1625*(-M)
2" 2 1/8" 12 2 3/8" SP-G-2125*(-M)

All sizes are typical and for use as reference. USA Industries can custom make your heat exchanger gaskets to any size or specification, and in any material you need! FIN-FAN is a Registered Trademark of Hudson Products Corporation

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