Switch Box
Electro-Hydraulic Actuator
Electro-hydraulic actuator system
Design
- Supply voltage 24VDC to 400VAC
- Electronic control type Ex d for runtime, pressure and oil level control
- Line Break System as an option
- Pressure point exceeded or underrun as an option
- With Electric Power Failure (ESD) as an option
- Independent operation with solar technology as an option
- Control of seawater resistant materials
- Piping and screw connection made of stainless steel
- Compact, closable and seawater resistant control cabinet in stainless steel
- Also possible as quick-acting spring drives
- Ambient temperature up to -60 ° C possible if required
Highlights
- Compact design reduces the amount of pipes and screw fittings required
- Built in, seawater resistant oil recirculating reservoir with non-pressurized, permanent oil level indicator, with electrical monitoring of oil level
- Automatic reset to normal use following emergency manual operation (eliminates risk of incorrect operation)
- Low drive power
- Separate and infinitely variable adjustment time for OPEN and CLOSE
- On-site manual control
- Remote control
- Emergency manual operation with hand pump
- Low maintenance with self-cleaning/self-ventilating oil circulation
- Electrical supply and control voltage if required by customer
- The modular system permits use of one or more different signal receptors and additional attachments
- Pad lock for securing in OPEN or CLOSED position (optional)
Application
- Offshore/onshore, substations, pipeline blocking devices and safety shut-off valves
- All versions for Ex Zone I
- Ambient temperature –29°C to +80°C
- Operating pressure up to 200 bar
- Rapid closure < 15 sec. up to 48” is possible