Pipe Joints, Couplings & Repair Clamps - ECO

37
SAFETY NEEdS
EvIdENCE
The following tests have been carried out in accordance with
IACS URP 2.2 and DIN 86128:
Tightness test
• 1.5 x PN
• 5 min. tight
Vibration test
• 1 x PN
• 3 x 106 cycles
• Amplitude 0,06 / 0,5 / 1,5 mm
• Frequency 100 / 45 / 10 Hz
Burst pressure test
• 4 x PN
• 5 min. tight
Pull-out-test
• 1x PN + Fax (PN as appropriate)
• 5 min. without leakage or other faults
Fire-endurance test
In accordance with ISO 19921 and 19922
• 1 x PN
• 30 min.
• 800° C
• Pressure test: 2 x PN; 5 min. tight
Vacuum test
• 170 mbar absolute
• 5 minutes tight
Repeated assembly test
• 10 x assembly and dismantling
• 1.5 x PN pressure test
• 5 min. tight
Other tests:
Pressure pulsation test
For STRAUB couplings not required
• Pressure pulsation 0 bar up to 1.5 x PN
• 30 – 100 cycles per minute
• 5 x 105 cycles
• No leakage, no plastic deformation
Shock test
• Acceleration 140g surface ships
• Acceleration 200g submarines
(for CuNiFe and C steel pipes)
Angular deflection test
• Angular deflection 20°
• 20 bar; 114.3 mm
• 5 min. tight
Jump test
• 1 x PN
• Impact of 100 kg weight on coupling
• No leakage
• Angular deflection approx. 20°