Most are familiar with the manual application of flange sealant as pictured here. There is a low-cost and much more effective method for applying flange sealant such as Hernon Gasket Replacer in production applications.
Silkscreen Application Method
The video below gives a quick step-by-step overview of using a silkscreen to apply flange sealant. Here are the elaborated steps:
- Create a silkscreen with the gasket face design etched into it. Hernon’s engineering staff can assist you with creating the silkscreen as well as a fixture. The fixture is important to increase the speed of setting the component for silkscreening, and it guarantees a perfect application every time.
- Apply a generous bead of Hernon Gasket Replacer to one end of the frame.
- Use a Hernon provided wiper to apply the sealant to the screen. Do not worry about the time needed to spread the Gasket Replacer. The anaerobic cure mechanism will not activate until the parts are mated.
- Wipe off excess sealant.
- Remove the screen and mate the components of the assembly
Hernon does provide a wide-variety of Gasket Replacer sealants for various metal substrates and operating environments. These anaerobic sealants cure in the absence of air, and they are formulated so that excess material harmlessly dissipates in the system. Advantages over precut gaskets include no shrink, rot, displacement, distortion, or relax. Flanges sealed with Gasket Replacer never need to be re-torqued.
About the application
The assembly being sealed is a cooler manifold for large LCD monitors in world-class racing yachts. Liquid coolant is pumped through the LCD and then into this radiator to dissipate the heat. Sealing the two halves of the manifold is critical for the application, which is why this company chose Hernon Gasket Replacer 916 anaerobic flange sealant and Hernon EF® Primer 50.
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