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Flexo tech products has service engineers to visit customer’s site to analyze customer requirements, help choosing appropriate hoses.
Service engineers also suggest proper configuration of hose assemblies, its routing, temperature selection and material composition selection.
How to Specify Hose Assemblies
Five Steps for Selecting the Right Hose
S = SIZE
T = TEMPERATURE
A = APPLICATION
M = MATERIAL TO BE CONVEYED
P = PRESSURE
1. HOSE SIZE
The inside diameter of hose must be adequate to keep pressure lose to minimum and avoid damage to the hose due to heat generation or excessive turbulence.
2. TEMPERATURE
When selecting the replacement assembly, two areas of temperature must be considered. These are fluid temperature and ambient temperature. The selected hose must to be capable of withstanding the minimum and maximum temperature seen by the system. Care must be taken when routing near hot manifolds and in extreme cases, a heat shield is advisable.
3. APPLICATION
Before selecting hose, it is important to consider how hose assembly will be used. Answering the following questions may help.
- What type of equipment is involved?
- What are the environmental factor?
- Are mechanical loads applied to the assembly?
- Will the routing be confined?
- What about hose fittings - Permanent or field attachable?
- Will the assembly be subjected to abrasion?
4. MATERIAL TO BE CONVEYED
Some applications require specialized oils or chemicals to be conveyed, through the system. Hose selection must assure compatibility of the hose tube, cover couplings “O” rings with the fluid used. additional caution must be exercised in hose selection for gaseous applications such as refrigerants and LPG.
5. PRESSURE
Most important in the hose selection process is knowing system pressure, Including pressure spikes. Published working pressure must be equal to or greater than the system pressure. Pressure spike greater than the published working pressure will shorten hose life and must be taken into consideration.
