Self-contained Actuators are used in remote locations power supplies are not available, typically small wellhead applications but can be equally useful in any remote location where there is a risk of explosion or environmental damage from spillage.
Each unit is pumped open using the integral manual override pump, then latches in position (with spring compressed) waiting for a process upset to be sensed. Once a signal is received the unit will spring to the fail safe (normally closed) position and will not open until manually pumped back to the set position.
Our range of Self-contained Actuators includes heavy duty scotch yoke (rotary) and heavy duty linear cylinder. We can provide a wide range of options as shown below
Specification
- Double Acting (DA)
- Spring Return (SR)
- Torque range – up to 20,000NM
- Thrust range – up to 10KN
- Supply – from hand pump
- low temperature versions to -60C
- Approvals – CE, ATEX, SIL4, GOST, InMetro, Kosha, Nepsi, CSA/UL
- Painting – Epoxy paint to customer or project specification
- Accessories – see Component supply
- Automation systems – see Automation systems
Additional Services
- Automation system design using CAD
- Design and supply of valve to actuator adaption kits
- Supply of complete assembled and tested automated Valves
- Fitting of automation assembly to free-issue Valves
- Fitting and Testing of customer supplied components (engineering and labour only)
- Training on or off site