• HPU
  • HPU is mainly used to supply stable high-pressure and low-pressure fluids to subsea production facilities through umbilical cables. Low pressure fluids are usually supplied to approximately 5000 PSI to control valves on the manifolds and Christmas trees; High pressure fluids are typically about 10000 PSI to operate surface-controlled subsurface safety valve.

Product Advantages/Product Highlights

  • Redundant low-pressure and high-pressure hydraulic supply; equipped with standby pumps for isolation and maintenance when main pumps fail.

  • Quick-change device for automatic pipe arrangement system, facilitating replacement of different umbilicals; unique structural design tailored for umbilicals to enable more complex functions.

  • All fluid-contacting components are made of stainless steel to prevent corrosion and contamination of the hydraulic system.

  • Optional gas-driven, liquid-driven, or motor-driven systems.

Performance Parameters

Parameter Name Parameter Content
Oil circuit interface 6 high-pressure circuits, 10 low-pressure circuits, and 2 return oil circuits
Design condition Marine environment, temperature -29-70 ℃, Class I, Zone 1 hazardous
Certification DNV2.7.1/DNV2.7.3and explosion-proof certification
Design water depth 0~2,000m
Pressure 5,000PSI、10,000PSI、15,000PSI
Medium Water-based liquid, meet the SAE AS4059 Class 6B-F grade cleanliness
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