When Selecting a Hose Assembly, Make Sure That It’s STAMPED

McGill recommends using the STAMPED process when you want to choose the safest and most cost-effective hose assembly for your industrial operations. STAMPED is an acronym that many hose manufacturers suggest be used to remember all the aspects of the hose selection process. The letters represent the following:

S  Size
T  Temperature
A  Application
M  Material being conveyed
P  Pressure
E  Ends
D  Delivery

 

Let’s look at each factor. The best Size for the application will depend on the flow requirements, pressure loss considerations on long lengths and available
end connections.

Elevated Temperatures can severely reduce the life of an industrial hose. Some hoses are designed and manufactured from specific materials to handle the higher operating temperatures. Always compare the temperature limits of the hose to the application before making your final hose selection.

The Application is the most important factor in determining the proper hose to use. You should consider elements in addition to temperature and pressure that the hose will be exposed to during use. These include abrasion, oil and chemicals. Keep in mind that industrial hoses can be designed specifically for increased service life in certain applications.

The Material being conveyed is an important aspect of proper hose selection. Chemicals may affect the performance of the hose, so always keep fluid compatibility in mind – not only for the hose tube, but also for the hose cover, reinforcement and fittings. You can do a quick chemical check by using the chemical compatibility charts provided by the hose and fitting manufacturers. If you have concerns about a specific application, we at McGill encourage you to ask us
for advice.

The working Pressure of the application is a major consideration in selecting a hose. The rated working pressure of the hose must match or be greater than the maximum pressure that will be seen in the application. RMA recommends a 4-to-1 safety factor for the burst-to-working pressure of the hose when working pressures exceed 150 psi.

The type of Ends (fittings and couplings) must also be chosen. Considerations include style, type, material, orientation and attachment methods.

Finally, Delivery requirements must be specified. This includes pre-delivery procedures such as testing, quality assurance
and packaging.

Given that there are a variety of industrial hose constructions, the STAMPED information outlined here will provide a starting point in the selection of the proper hose for your application. Hose manufacturers have recently started designating distributors that follow industry guidelines; stock matching hose and fittings; and use proper assembly procedures verified by third-party inspections to ensure that the proper procedures are followed for fitting attachments. McGill Hose is proud to be such a distributor.

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