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Application
Hose is flexible connection between top of standpipe and vertically moving swivel on offshore and in-land oil drilling and exploration. Vibrator hose is flexible connection between mud pump manifold and standpipe, for adjustment and isolating vibration.
Cement hose is flexible connection between cementing pump and top drive on offshore and land drilling rig for delivery of high- pressure cement
Standard
API Spec 7K
API Monogram No.
7K-0566
Hose Structure
- Tube: Synthetic rubber-based liner sealing layer, oil resistance, acid & alkali resistance, high temperature resistance and ageing resistance
- Breaker Layer and external protection layers: High tension textile fabric
- Major Reinforcement for withstanding pressure: High Strength Steel Cable
- Cover: Synthetic based rubber for anti-flaming, wear resistance, oil resistance, ozone & ageing resistance, UV resistance, which is designed for marine environment.
- Working temperature range: -20°C to +82°C
- Flexibility specification level: FSL0 & FSL1
- Maximum continuous length: 45 Meter.
- Length tolerance: Length up to 6 meter, with tolerance ± 65mm; Length longer than meter with tolerance ± 1%.
- Measurement basis of Minimum Bending Radius (MBR) is center line of each hose.
Internal Diameter(inch)(mm) | Working Pressure(bar)(psi) | TestPressure(bar)(psi) | Safety Coefficient | FSL | MBR(Operation)(mtr)(inch) | LengthMax(mtr.) | ||||
Cement Hoses | ||||||||||
2 | 50.8 | 690 | 10,000 | 1034 | 15,000 | 2.25 | FSL0 | 1.2 | 48 | 45 |
2 | 50.8 | 1034 | 15,000 | 1552 | 22,500 | 2.25 | FSL0 | 1.4 | 55 | 45 |
2.5 | 63.5 | 690 | 10,000 | 1034 | 15,000 | 2.25 | FSL0 | 1.2 | 48 | 45 |
2.5 | 63.5 | 1034 | 15,000 | 1552 | 22,500 | 2.25 | FSL0 | 1.5 | 60 | 45 |
3 | 76.2 | 690 | 10,000 | 1034 | 15,000 | 2.25 | FSL0 | 1.5 | 60 | 45 |
3 | 76.2 | 1034 | 15,000 | 1552 | 22,500 | 2.25 | FSL0 | 1.6 | 64 | 45 |
4 | 101.6 | 690 | 10,000 | 1034 | 15,000 | 2.25 | FSL0 | 1.8 | 72 | 45 |