• Application: 

Flexible rotary hose between standpipe top and vertically-moving swivel on offshore and onshore drilling rigs; vibrator hose flexibly links mud-pump manifold to standpipe, absorbing vibration and misalignment.

• Standard: API Spec 7K / ISO 6807 / GB/T 24145

• API Monogram No.: 7K-0106

• Hose structure: 

Tube: synthetic Nitrile rubber,which is the sealing layer, resistant to oil based mud, seawater and high temperatures.

Breaker Layer and external protection layers : high tension textile plies

Pressure reinforcement: high strength steel cable

Cover: Neoprene based rubber, anti-flaming, resistant to wear, oil, ozone & ageing and UV. 

• Fire proof requirement: 

Standard: SR6A (704 °C × 5 min).

Optional SR6B (704 °C × 30 min) with extra glass-fibre fire sleeve

Optional electric heat-trace cable embedded for low-temperature application 

Optional external armour: stainless-steel wrap,or embedded SS wire,or PE spiral guard and etc., selected per operating conditions.

• Working temperature range: Class II -25 to +100° C, or Ⅲ, -25 to +121° C

• Flexibility specification level: FSL2

• Maximum continuous length: 100m

• Length tolerance: ≤6.4 m ±64 mm; >6.4 m ±1 %.

• Minimum Bending Radius measured at hose centreline.