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FREQUENTLY ASKED QUESTION

Q&A


Type test and routine test of production hose


Type test and routine test of production hose

The performance and test frequency of type test and routine test of production hose are shown in Table A.1.

Table A.1 Type test and routine test table of production hose

performance Type test (hose for each type and specification) test frequency: product identification; When the product changes; Every five years

Routine test

Before each hose goes into storage or is sold

size
Measurement of inside diameter X X
Measurement of outside diameter X X
Measurement of concentricity X N/A
Hose test
Validation test X X
Blasting test X N/A
Minimum bending radius test X N/A
Length rate of change test (see 7.2) X X
Pulse test X N/A
Leakage test (hose assembly) X N/A
Low temperature flexure test X N/A
Bonding strength (cladding) X N/A
Bonding strength (inner cladding) X N/A
Fluid resistance test of cladding X N/A
Fluid resistance test of lining X N/A
Ozone resistance test X N/A
Appearance inspection X X

X   -----Tests should be carried out;

N/A-----Test inapplicability。

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