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9 Easy Steps to Crimp Your Hydraulic Hose

At GCC, we provide the complete resource for all of your hydraulic hose needs. As a Gates partner, we pride ourselves as we work to ensure all assemblies are built to meet the highest standards. Every GCC assembly is “ISO clean.”

Your industrial hose is more than just a flexible, reinforced tube: it’s at the heart of your operations, which means you can’t afford failure or downtime. Gates has engineered state-of-the-art industrial hoses, couplings, and accessories for applications ranging from water to welding, petroleum to pressure washing, and from mining to material handling. Every hose system component is tested under harsh environmental conditions and rigorous operational demands to ensure your Gates solution maximizes your value and minimizes your downtime. So what about crimping your hydraulic hose?

Crimping a hydraulic hose is a crucial aspect of any hose assembly. With several fluids or gases in motion over extended periods of time, the crimp should be just right so that the hose does not damage the application.

When using a crimp machine, it is important to know exactly how to use it to ensure consistent, high quality hoses every time. Below is a step-by-step guide to follow when crimping your hydraulic hose.

Step 1: Measure and cut the hose

  • Measure the length of the hose that you need and cut it to the necessary size with a hose saw.

Step 2: Mark insertion depth

  • Determine insertion depth of the fitting by utilizing a hose insertion depth block. This mark will indicate when the crimp fitting is properly seated on the hose.

Step 3: Clean the hose

  • Use a foam projectile to get out all the debris that might have accumulated during the hose cutting. Cleaning the hose will reduce contamination and hose assembly failure.

Step 4: Load in the correct specifications

  • Choose the correct crimp diameter for each hose assembly.

Step 5: Select the die

  • Crimper dies are specifically designed for certain hoses and fittings, so make sure to verify the die is set to the correct specifications.

Step 6: Place the hose in the crimping machine.

  • Push the end of the hose into the crimping machine and through the die so that the hydraulic hose fitting appears above the die. The top of the hose, now concealed inside the fitting, should not be above the die.

Step 7: Crimp the hose

  • Your hydraulic hose is now ready to begin crimping. Turn on the machine. The cylinder head will slowly move down. As it pushes the collar, the collar compresses the die. Do not touch the machine until the collar is firmly at the bottom of the die. The machine should then stop.

Step 8: Verify the crimp diameter

  • Make sure the hose is finished to the correct crimp diameter by checking the chalk mark which you made on the hose. If it is no longer at the base of the fitting, it means the hose or the fitting moved during the crimping. However tight it may seem, this is not a good crimp. Otherwise, if the chalk mark is in place, you have successfully crimped the ends of the hydraulic hose.

Step 9: Cap hose assembly

  • After you clean the hose again, it is a good idea to cap the assembly on both ends. You can use plastic caps or heat shrink caps.

Following these 9 easy steps should guide you through successfully crimping your hydraulic hose. Contact GCC for all of your hydraulic hose and coupling needs.