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How do Interlock Integrated Hose Fittings work?
Interlock integrated hose fittings are specialized couplings used in high-pressure hose assemblies. The interlock fittings require no additional parts for assembly, making them easy to install. In this article, we will explore how the interlock integrated hose fittings work.
Step 1: Understanding the Parts.
Interlock integrated hose fittings consist of two primary components: the coupling and the sleeve. The coupling is made of carbon steel and has serrated teeth on the inside to grip the hose. The sleeve is also made of carbon steel and slips over the coupling to keep the hose from slipping out of the fitting.
Step 2: Installing the Coupling.
To install the interlock integrated hose fitting, slide the coupling over the end of the hose. Make sure the coupling is flush against the end of the hose and that the serrated teeth are facing inward towards the hose. If the hose has reinforcement wire, make sure it is flush with the end of the coupling. Use a crimping machine to crimp the coupling onto the hose.
Step 3: Adding the Sleeve.
Once the coupling is in place, slide the sleeve over the coupling. Make sure the sleeve is positioned correctly and covers the hose and coupling. It should be snug but not too tight. Use a crimp tool to crimp the sleeve onto the coupling.
Step 4: Locking the Interlock.
To fully secure the hose, use the interlock feature of the fitting. This is where the interlock name comes from. The interlock works by pulling the sleeve over a groove on the coupling. Once the sleeve is over the groove, insert the lock pin, which will securely hold the sleeve in place. The lock pin should be inserted at a 45-degree angle, or as directed by the manufacturer’s instructions.
Step 5: Tightening the Nut.
Finally, tighten the nut on the fitting. The nut compresses the sleeve onto the coupling to create a secure seal. Use a wrench to tighten the nut to the correct torque rating. Do not over-tighten the nut as this can damage the hose and fitting.
Conclusion: Interlock integrated hose fittings are easy to install and offer a secure connection for high-pressure hose assemblies. When properly installed, the interlock feature creates a reliable seal that can withstand high pressure and temperature. Always follow the manufacturer’s instructions during installation and use.
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