actuators TYPE: Subsea

SUBSEA ACTUATORS GENERAL FEATURES
  • Tailor-made sizing according to customer requirements related to safety factors, operating pressures and operating torques
  • Fully customized material selection in accordance with Client requirements and applications
  • High strength materials for internal and torque transmitting parts
  • Seawater resistant material for all exposed parts
  • Fully compensated design for installation at any water depth
  • Designed for extended operational life
  • Fail-safe or Fail-as-is solutions according to plant design
  • Clearly visible local position indicator
  • Actuator compact design available, specifically recommended for PLEM and manifold installation
  • Special features to allow fast valve operation (less than 2 sec.)
  • Hydraulic and electrical connectors according to customer requirements
  • High Availability (quick and safe operation on demand) and excellent Reliability (suitability for continuous operation)
  • Valves and Actuators may be assessed up to SIL 3 according to IEC 61508 and IEC 61511 requirements
  • Fully designed and qualified according to API 6A, API 17D, API 6D, API 6DSS, ISO 13628, ISO 10423, ISO 14723
  • API 17D, ISO 13628-8 or tailor-made ROV interface
SUBSEA ACTUATORS OPTIONAL FEATURES
  • Umbilical system including SUTU and TUTU terminations and Hydraulic power units (HPU)
  • Full ROV/diver retrievability of actuators and mechanical operators
  • ROV/diver operated clamp system for actuator retrievability and reinstallation
  • Diver fast bolting removal & locking system
  • Self-clutching system of ROV/diver retrievable actuators:custom design to match client specifications
  • Diver enclosed nuts removal system for actuator removability and reinstallation
  • Remote position indication to Control Room by means of limit switches or position transmitters
  • Stem and spool extensions to meet client requirements in terms of distance from valve center line and field structure layout
  • Hand wheel torque tool for diver manual operation of ROV buckets
  • Protection caps or pressure retaining caps – engineered to protect valve stem and prevent any leakage to the environment after actuator removal
  • Docking tools for removal and installation of valve stem caps (ROV or diver operation)
SUBSEA ACTUATORS DEPARTMENT CONTACT

For any information about PetrolValves subsea actuators: subsea-actuation@petrolvalves.it