Name: (Bonded Built-in & Swaged) High-Pressure Mud Hose/ Rotary Drilling Hose/ Vibrator Hose/ Cement Hose
Type:NJG-SZ NJG-SY SNG-SZ SN...
• 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.
• Standard: API Spec 7K / ISO 6807 / GB/T 24145
• API monogram No.: 7K-0106
• Hose structure :
Tube: Nitrile rubber based liner sealing layer, oil resistance, acid & alkali resistance, high temperature resistance
• Breaker Layer and external protection layers: High tension textile fabric
Major Reinforcement for withstanding pressure: High Strength Steel Cable
Cover: Neoprene based rubber for anti-flaming, wear resistance, oil resistance, ozone & ageing resistance, UV resistance, which is designed for marine environment.
• Fire proof grade:
Regular supplied hose meets fire proof grade SR6A, which is 704℃ ×5min
Fire-Rated Hose supplied as per request with extra fire proof out layers meet fire proof grade SR6B, which is 704℃ ×30min
• Embedded electric heat traced cable is available as request for low temperature operation.
• Different option of external protection layer are available as request or by our recommendation according to individual operation condition, for example stainless steel armor outer wrap, embedded stainless steel wire in cover, or polyethylene spiral guard, etc.
• Working temperature range: class Ⅱ , -25 to +100 ℃
• Flexibility Code No. level: FSL2 for mud/rotary hose, FSL0 for cement hose
• Maximum continuous length: 70m
• Length tolerance: Length up to 6.4m, with tolerance ± 64 mm; Length longer than 6.4M with tolerance ± 1%
• Measurement basis of Minimum Bending Radius (MBR) is center line of each hose