Q&A
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。 |
||
Contact us
East Zone, Jingxian Development Zone, Hengshui City, Hebei Province
Customer service wechat