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Product Overview: Engineered for reliable fail-closed operation, our Fail-Safe Hydraulic Actuator is designed specifically for reverse gate valves used in wellhead Surface Safety Valve (SSV) emergency shutdown (ESD) systems. In the event of a power loss, control signal interruption, or system emergency, this actuator provides immediate, positive valve closure to protect wellhead infrastructure and field personnel.
Key Features & Advantages:
Fail-Closed Emergency Shutdown: Automatically closes the reverse gate valve upon pressure drop or control signal failure for maximum operational safety.
Thermal Lock & Fusible Options: Optional thermal fusible lock devices trigger automatic closure when exposed to extreme fire or thermal stress.
Visual Position Indicator: Integrated visual indicator allows operators to quickly verify open/closed status on site.
High-Pressure Capability: Operates efficiently at a normal driving pressure of 1,500 PSI with a maximum working pressure capacity of 3,000 PSI.
Wide Thermal Tolerance: Engineered for dependable performance in harsh thermal environments from -29°C to +121°C (-20°F to +250°F).
Technical Specifications:
Applicable Valve Sizes: 1-13/16" to 7-1/16"
Normal Operating Pressure: 1,500 PSI
Maximum Working Pressure: 3,000 PSI
Operating Temperature Range: -20°F to +250°F (-29°C to +121°C)
Product Specification Levels (PSL): PSL1 – PSL3
Performance Requirement Levels: PR1 – PR2
Actuation Mechanism: Hydraulic (Fail-Closed)
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