10mm gas copper tube compression tube fittings

 Product description

Performance

1.  Hydraulic proof pressure test (1.5 times the maximum permissible working pressure): no leakage.
2.  Dismantling and reassembly test (dismantle ten times): no leakage.
3.  Vacuum test (1 × 10−4 mbar or greater): the leak rate less than 1 × 10−8.
4.  Maximum static gas pressure test (with nitrogen gas to 150% of pressure rating): no visible bubbles.
5.  Hydraulic impulse and vibration test (the pressure impulses at between 0.5 Hz and 1.7 Hz and the vibration  at between23 Hz and 47 Hz): no leakage.
6.  Thermal cycle test (ambient to +80 °C and then to –25 °C with a hydrostatic pressure): no evidence of  leakage.
7.   Pneumatic pressure vibration test (The frequency of vibration shall be set at 45 Hz and complete 20 × 106  cycles): without failure
8.   Fire test (in accordance with BS ISO 19921): no leakage.
9.   Corrosion resistance test (the duration of exposure at least 168 h): no visible evidence of corrosion.

10. Deep water submersion test (equivalent to 3048 m of sea water): no helium detected.

11. Minimum hydrostatic pressure test (four times the maximum permissible ambient pressure rating): no  leakage. 

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