As a Hose Master Factory Authorized Fabricating Distributor, we fabricate our Flexible Metal Hose Assemblies in line with the standards set forth by both NAHAD and the Hose Master Factory. Our fabrication department and techniques are state of the art and all of our fabricators have been trained, tested and approved to fabricate assemblies by the Hose Master Factory.
Gather all the information you need to select the proper hose assembly for the application.
Material – Utilize resources, such as National Association of Corrosion Engineers (NACE) and the Compass Corrosion Guides, to make your material selection or call our customer service for their assistance.
Pressure – You must make sure that the hose selected has a maximum pressure rating that meets the requirements of your application. The stated maximum pressure rating is reduced based on each the following circumstances.
Example: Consider an industrial water application at 100 PSI/70°F and a 2” line size. 2” Annuflex hose with a single braid is rated to 449 PSI and is suitable for up to 449 PSI with no pressure surges or shock. The same hose with surging pressure is derated to half, or 224.5 PSI. If exposed to shock pressure, it's derated to 1/6th or 74.8 PSI. Contact us when your application has rapid pressure fluctuations. |
Flexibility – Make certain that the minimum bend radius of the hose is less than the bend radius required by your application. See the vibration chart, to determine if the assembly will be exposed to normal vibration levels. If you have an application that involves excessive vibration, contact our customer service department for recommendations.
Fittings – End fittings are selected based on the mating fittings and the chemical compatibility with your application. You must also make certain that the end fitting pressure ratings, as well as those of the hose, exceed the required pressure rating of the application. Because applications vary widely, various end fittings can be welded together to make combinations that meet virtually any application needs. Contact us for these customer applications.
Length – How to select the proper length of a metal hose assembly
We fabricate our assemblies to industry standards. If your application requires a smoother interior transition, we offer Half-Corrugation prepped assemblies and/or Argon purging. We offer armor casing and spring guards for external protection and lined assemblies for high velocity and abrasive services. For high vibration, we can provide a fiberglass buffer between the hose and braid, or a bronze buffer braid between the hose and braid. A silicone impregnated fiberglass fire sleeve can be installed on the outside of the assembly to protect personnel from burns or protect the hose from flame and slag. Additional covering options and tagging are available upon request.
While our hoses are inherently clean and free of oil and other contaminants, we also have the capability of furnishing hoses cleaned for oxygen service.