For temporary or permanent plugging of 5/8” to 1-1/4” condenser and heat exchanger tubes, Conco’s expanding EX-4 tube plug is tested to withstand a wide range of pressure, temperature and vibration conditions up to 150 PSI. The EX-4 low profile washers allow the plug to be inserted at any location within the leaking tube making it an excellent tool for locating exact leak locations. For applications where you desire a plug to be flush mounted at the tubesheet, consider the EX-3, and for applications where you desire enhanced sealing at higher pressures, consider the EX-F.
- Available in brass, bronze, stainless steel and titanium
- Tested under a wide range of pressure, temperature and vibration conditions to 150 PSI
- Expansion cylinder constructed from durable DuPont Chloroprene
- Quick and easy installation
How Do Conco EX-4 Tube Plugs Work?
Featuring a two-staged design with chloroprene sealing, the EX-4 features a low-profile washer design allowing this plug to be placed anywhere within the tube.