british standard two ferrules male thread gi elbow pipe fitting
Product description
Features
1. Twin ferrule fittings provide metal-to-metal seal connections, non-elastomeric seals for leak-free connections.
2. Hikelok twin ferrule fittings is designed to have a maximum allowable working pressure that is higher than that of any tubing.
3. Stainless steel tube harderness: the hardness of the tube shall be not greater than 85 HRB.
4. Available in sizes from 1/16 to 2in and 2 mm to 50 mm.
5. Hikelok fittings materials include 316 stainless steel, steel, brass, aluminum, nickel-copper, Hastelloy C, 6Mo, Incoloy 625 and 825.
6. Hikelok special treated Back ferrule is to provide secure.
7. Silver coated threads to reduce galling.
8. Leak-proof joints capable of satisfying high pressure vacuum and vibration applications.
9. Industry standard design for all instrumentation grade tubing.
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.
Configuration
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