Using jointing compound (or pipe thread sealant) on compression fittings is generally not necessary and can sometimes cause more problems than it solves. Compression fittings are designed to create a watertight seal through the mechanical action of the ferrule (olive) compressing against the pipe and fitting body. When installed correctly, they do not require any additional sealing compounds.
When Jointing Compound May Be Used
Threaded Sections:
If the compression fitting has threaded components (like male or female pipe threads on the inlet/outlet), jointing compound or Teflon tape can be applied to those threads to ensure a leak-free connection.
Aging or Imperfect Connections:
In cases where the ferrule or pipe surface has minor imperfections or wear, a small amount of jointing compound may assist in achieving a better seal.
Additional Sealing Confidence:
Some installers may use a thin layer of jointing compound for added security, though it's not standard practice.
Why Jointing Compound Is Not Recommended for the Ferrule Seal
Interference with Seal:
Applying jointing compound to the ferrule area can prevent it from compressing properly, which may result in leaks.
Designed for Mechanical Sealing:
Compression fittings rely solely on the ferrule mechanically deforming to form a tight seal. Jointing compound is unnecessary when this process is done correctly.
Messy and Unprofessional:
Excess compound can squeeze out during tightening and create a mess, which can be unsightly and unprofessional.
Click Here To Watch Videos And Related Information About Our Factory!
Click Here For Product Catalog And Samples!
Best Practices for Compression Fittings
Clean the Pipe and Components: Ensure all parts are clean and free of debris.
Proper Alignment: Slide the nut and ferrule onto the pipe in the correct order.
Tighten Correctly: Tighten the compression nut until the ferrule compresses and forms a tight seal. Avoid over-tightening, as this can damage the fitting.
Check for Leaks: If leaks persist, disassemble, inspect, and replace any damaged components rather than relying on sealant.
Conclusion
Jointing compound should not be applied to the ferrule or sealing area of a compression fitting. It may be used sparingly on threaded connections only. Proper installation of compression fittings ensures a secure, leak-free connection without the need for additional sealants.
Contact IFAN
Phone:+86 15088288323
Email:Sales24-Ifan@Ifangroup.Com
