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Test methods and conditions
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Requirement
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B5.3.2Appearance
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According to YD/T590-1 requirements
The sleeve shall be homogenous and free of flaws, defects, pinholes, bubbles, cracks or inclusions visible with the unaided eye.
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No defects which will affect the product performance
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B5.3.3 Tightness test
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According to YD/T590-1 requirements
Immerse in water bath at Temp: 23±3℃ Time:15 min Internal Regulated Pressure: 70±2Kpa
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No leakage
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B5.3.4 Temperature cycling test
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According to YD/T590-1 requirements
Highest Temp: 60±2℃
Lowest temp: -30℃±2℃ Dwell time: 4hours Transition time: 2 hours Cycle duration; 12 hours Internal regulated Pressure; 70±2Kpa Number of cycles: 10
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Tightness as per 5.3.3
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B5.3.5 High temperature tightness test
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According to YD/T590-1-5.5 requirements Temp: 60±2℃
Pressure; 70±2Kpa Time: 168h
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Tightness as per 5.3.3
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B5.3.6 Axial tension test
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According to YD/T590-1-5.6 requirements Time: 8 hours each cable Load: D/45×1000N (700N±10N max) Internal Regulated Pressure: 70±2Kpa
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Tightness as per 5.3.3
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B5.3.7 Bending test
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According to YD/T590-1-5.7 requirements Clamping distance: 10×D from closure edge(min 250 mm) Force: max 500N or 45 deg Bend. Internal regulated
Pressure: 70±2Kpa Bending cycle: 2 cable cycle: bend cable & hold for 5 minutes, bring to normal & bend in opposite direction, hold 5 minutes & bring to normal position
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Tightness as per 5.3.3
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B5.3.8 Tension test
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According to YD/T590-1-5.7 requirements Torque: 50 Nm. Or 90 deg rotation Clamping distance: 10×D from closure edge(D=outer dia Of cable)
2 complete torsion cycles per cable. Internal regulated Pressure: 70±2Kpa cycle: Twist cable and hold for 5 minutes; bring cable back to starting position
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Tightness as per 5.3.3
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B5.3.10 Static Load test
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According to YD/T590-1-5.7 requirements Load: 1000N/5sq cm Load application: 90° from seam, Int, regulated pressure: 70±2Kpa Time: 5 min remove load, turn sample through 180°, reapply load for 5 min
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Tightness as per 5.3.3
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B5.3.11 Impact test Steel ball test
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According to YD/T590-1-5.7 requirements
steel ball Weight: 1Kg Drop height 1m Impact: 90Deg. From seam (sleeve middle) Internal regulated Pressure: 70±2Kpa Temp: -15℃
Internal regulated Pressure: 70±2Kpa (Channel closing)
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Tightness as per 5.3.3
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B5.3.12 Vibration test
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According to YD/T590-1-5.7 requirements Vibration: 10Hz Amplitude: 3mm (6mm peak to peak)
Time: 6 days Clamping distance:10×D from closure edge.(D=the cable outer dia) Internal regulated
Pressure: 70±2Kpa |
Tightness as per 5.3.3
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B5.3.13 Resistance to stress cracking
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According to YD/T590-1-5.7 requirements Test temp: 50±2℃
Internal regulated pressure: 70±2Kpa Test medium: 10% igepal
Solution test time: 7 days |
Tightness as per 5.3.3
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