Selecting the correct hose

Selecting the correct hose

Take the following characteristics into account when choosing a hose

A. inside diameter
B. outside diameter
C. length (with/without couplings)
D. tolerance (according or not to norms)

Substances to be carried in the hose
A. liquid, gas or solid
a1. chemical identification
a2. concentration
a3. temperature (peaks high and low)
a4. for solids; description and size

A. working, testing, and bursting pressure
B. vacuum resistance
C. intensity (temporary or continuous use)
D. throughput capacity (liters / minute)

External environmental factors
A. sunlight and weather influences (UV and ozone resistance)
B. mechanical wear and tear environment
C. ambient temperature
D. chemical influences

Special requirements
A. weight
B. flexibility
C. bending radius
D. torsion
E. electrical resistance (sparking, explosion hazard)
- isolating
- anti static
- conducting
F. flame resistant
G. pulling force
H. diametrical expansion and length expansion
I. colour
J. marketing / print

Hose ends
A. with spiral
B. with spiral-free cuffs
C. with dilated cuffs
D. conical

Connection to be mounted
A. coupling system
B. clamps, dishes, sleeves

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