Barbed fitting - hose breaking loose

[Redhawkwash]

The hose connected to my solutions pump on Washworld APEX IBA has broken loose from the barbed fitting a few times. IBA was installed 3 months ago. Is it standard to use barbed fitting on pump that is outputting around 250-275PSI? Installers had one hose clamp, after hose broke loose I replaced the hose and installed 2 clamps. Any thoughts? Thanks

 

[OurTown]

That does seem like a lot of pressure for a regular hose barb. I have noticed there are variances in the diameters of fittings and hoses within a nominal size. Some seem too loose, and some you have to heat to get onto the barb. Worm gear clamps can gaul and seize the screw before the clamp gets tight enough, especially the ones with stainless screws. I have been switching over to T-Bolt clamps as they can be tightened more. After a month, you will find that they need to be tightened up again due to the hose shrinking. Some push-lock hose can withstand those pressures if you are willing to swap it and the fittings out. Can you read the hose to see what exact hose it is?

 

[Blanco]

Is the hose Parker 300PSI? One thing you can do to quickly solve this is just put on a HP hose.

 

[Waxman]

I think I would do what Blanco said; install a hp hose and get rid of the barb fitting.

 

[PEI]

A proper sized hose barb with a single hose clamp should hold at these pressures.

Is it a hose barb or a PEX barb?
Is the hose barb properly sized to the hose?

A properly sized hose barb should be difficult to get the hose on and may require heat or lubricant to get on. By the way PEX hose barbs are smaller and are not designed to hold hose.

 

[Randy]

When I was a young man starting out in the industrial world part of my apprenticeship was I had to work in the hose shop for 6 months. We made every hose you could ever think of. Looking at that hose in the picture and seeing how swelled up it is and with a 300 psi working pressure you need to install a high-pressure hose. Hose screw clamps or worm clamps are fast, cheap and easy but they aren’t designed for high pressure applications, they might work for a while and then fail.

 

[Redhawkwash]

It is a 1" Parker 300PSI hose. I'll check the barb type, interesting point. Agree with HP hose is the sure solution.

 

[Randy]

It is a 1" Parker 300PSI hose. I'll check the barb type, interesting point. Agree with HP hose is the sure solution.

How long is this 1" hose?

 

[Redhawkwash]

Just over 2 feet then goes into another barbed fitting on the solutions manifold - don’t have a pic at the moment otherwise I’d add it to thread.

 

[OurTown]

This is my temporary solution for now. Not as much pressure as you but it keeps coming off with good quality single worm gear clamps.

 

[Keno]

Oetiker clamps holds really good too, might be worth a try. Cheap kits can be had on Amazon