Stream-Flo’s Crown hydraulic actuated valves are used for the automatic closing of gate valves on wellheads and flow lines under emergency conditions. The system consists of a hydraulic actuator and a reverse-acting gate valve.
Crown hydraulic actuated valves are API 6A certified and SIL 3 capable to provide reliable protection of personnel, facilities, resources, and the environment.
Crown hydraulic actuated valves can be applied as:
- Emergency Shutdown Valves (ESDVs)
- High Integrity Protection Systems (HIPSs)
- High Integrity Pressure Protection Systems (HIPPSs)
- Shutdown Valves (SDVs)
- Surface Safety Valves (SSVs)
In the following applications:
- Wells – Conventional
- Wells – Gas Storage
- Wells – High Pressure
- Wells – High Temperature
- Wells – Water Disposal
thus providing ease of service or replacement.
Hydraulic Design Features: Assembly
both upper and lower, are incorporated in the bonnet assembly. This enables the valve and bonnet to be completely assembled and stroke set independent of the actuator. A metal-to-metal stem back seat provides a means of sealing to isolate the stem-packing cavity from the flow medium in the event of a stem packing failure in addition to providing an upper travel stop for the gate.
API 6A Sizes: 1-13/16” to 11”
API 6A Temperature Classifications K to Y (-75°F/-60°C to +650°F/+345°C)
API 6A Material Classes AA to HH
API 6A Performance Requirements 1 & 2
2, 3, 3G & 4
SIL 3 Capable
Standard Maximum Cylinder Working Pressure – 3500 psi (optional maximum cylinder working pressures available upon request)
- Custom Packaged Actuation Systems
- Indicator Rod Protectors
- Limit Switches
- Lock Open Devices
- Theft Proof Enclosures
- Other application requirements
For more information, please contact our sales representative.