Push-Lock Hose, or (Push-On hose) is versatile, oil resistant, and requires no clamps to assemble when used with special push-lock fittings. It is offered in various colors for easy identification. The silicone-free tube will not contaminate the fluid conveyed. Flame resistant cover is MSHA approved. Push-Lock Hose can be used in the low pressure transfer of oils including ethanol, diesel and gasoline. Dedicated service hoses are compatible with B20 bio-diesel. Eliminate the need for clamps and tools by using push-lock hose and push-lock couplings.
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Available colors include black, blue, red, yellow, gray, and green (select sizes)
EPDM rubber Push-Lock Hose for air and paint-spray applications not requiring oil resistance is available through 1/2&#; diameter (full spools only)
* Warning&#; Only push-lock hose and push-lock fittings used together can be assembled without hose clamps. Hose may be used with standard couplings when used with hose clamps, however do not use clamps with push lock fittings as the special serrations are sharp and can gouge into the hose tube. Push-lock fittings can be identified by a brass or yellow plastic circular ring around the hose barb (see photo below).
Sizes: 1/4&#; through 1&#;
Tube: Black Nitrile rubber
Reinforcement: Specially designed textile braiding
Cover: Neoprene rubber (variety of colors)
Temp: -40 to +212 degrees F
PDF Specification Page
WARNING:
1,3-Butadiene, a chemical known to the State of California to cause cancer, birth defects or other reproductive harm. Do not use in connection with drinking water. Wash hands after handling. VisitThis product containsa chemical known to the State of California to cause cancer, birth defects or other reproductive harm. Do not use in connection with drinking water. Wash hands after handling. Visit www.P65warnings.ca.gov for additional information.
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The hose also comes in a variety of types. The hoses&#; part numbers indicate the temperatures, pressures and chemicals it will withstand. But all hoses have an internal braid or mesh to give it strength. When pressing a fitting into the hose, the hose expands slightly to accommodate the larger diameter of the fitting&#;s barbs.
Once the hose is completely pushed onto the fitting and into the yellow cap, the internal liner material conforms to the barbs under the pressure of the braid and the outer skin of the hose. The hose then acts like a Chinese finger trap. Trying to pull the fitting off makes the braid shrink around the liner and tighten its grip on the barbs, making nondestructive removal nearly impossible.
Assembly
Pushing the hose onto the barbed fitting may seem simple, but it is like trying to push a rope up a hill. Keeping the hose aligned with the barbs on the fitting is key, so stabilizing the fitting is a must. Putting enough force on the hose without it buckling can be challenging, especially when not using a tool to assemble it. Several other factors further complicate the process:
Hose temperature. The colder the hose, the less it will want to expand to get over the barbs on the fitting.
Hose diameter. Larger diameters are easier to assemble, while #4 hose, the smallest, is typically the toughest to install because it doesn&#;t have as much material to expand to get over the barbs on the fitting. Additionally, small-diameter hoses are harder to hold onto with your hands.
Maintaining a
constant pressure and feed rate once the fitting is partly in the hose is important to successfully complete installation. Often, getting the hose over the first two barbs goes well, but in the time it takes to stop and reposition your hands for the last push, the hose liner get a grip on the first two barbs and it is difficult to impossible to get it moving again. In such cases, there is little choice other than to cut the hose off and start over.
90-deg., 45-deg. and banjo fittings (which lack a surface to push against) can be a challenge. Putting them in a vice can mar the finish and may not work at all when in the field. Tube stub fittings should not be put in a vice because it damages the ferrule&#;s sealing surface. And pushing against a flat surface typically just causes a slide-out with hand injury.
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