Actuators
High-performance pneumatic, electric, and hydraulic actuators engineered for precise valve automation. Designed for multi-turn and quarter-turn service with SIL-rated reliability and ISO 5211 compliance.
Advanced Actuation Features and Advantages
Dual Motion Versatility
Supports both quarter-turn and multi-turn operations for ball, butterfly, and globe valves; engineered for accurate torque delivery across a wide range of process applications.
On/Off and Modulating
Available in basic open/close or high-precision modulating configurations; ensures stable control loops and repeatable positioning for critical flow regulation systems.
Fail-Safe Reliability
Features spring-return or fail-last configurations to ensure process safety during power loss; designed to meet rigorous SIL standards for emergency shutdown scenarios.
Rugged Enclosure Tech
Encased in IP67/68 or NEMA 4/7 rated housings; provides superior corrosion resistance and explosion-proof protection for hazardous and offshore environments.
ISO 5211 Integration
Standardized mounting interfaces ensure seamless compatibility with diverse valve types; reduces installation time and eliminates the need for complex custom brackets.
Smart Diagnostics
Equipped with digital positioners and diagnostic feedback; enables predictive maintenance by monitoring cycle counts, travel time, and operational torque deviations.
Actuator Technical Specifications
PNEUMATIC ACTUATORS – TORQUE RANGE
Rack-and-pinion and scotch-yoke designs available in double-acting or spring-return; Torque output up to 250,000 Nm; Supply pressure 3-8 bar (45-120 psi); AWWA C540 and ISO 5211 compliant.
Electric Actuators – Torque & Control
Quarter-turn and multi-turn service; Power: 110/220V AC 1PH, 380/440V AC 3PH, or 24V DC; Torque 50-5,000 Nm; Modulating duty up to 1200 starts/hr; Supports HART, Profibus, and Modbus.
Hydraulic Actuators – High-Force Service
High-force service with torque capacity up to 600,000 Nm; Operating pressure up to 210 bar (3,000 psi); Self-contained or central system supply; Specialized for ESD, HIPPS, and critical subsea service.
POWER SUPPLY & CONTROL SIGNALS
Control: 4-20mA analog, HART, Foundation Fieldbus, Profibus DP; Power: Instrument air (ISO 8573-1), mineral or synthetic hydraulic fluids, and standard industrial electrical distributions.
Environmental & Enclosure Ratings
Enclosure ratings IP67/68 and NEMA 4/4X/6/7; Standard temp -40°C to +80°C with polar (-60°C) and high-temp (+120°C) options; Explosion-proof certs per ATEX, IECEx, and CSA.
End Connections
Standardized NPT/BSP pilot ports (1/4"–1/2"); Hydraulic SAE flanged connections; Electrical cable entries M20/M25 or NPT 3/4"; Direct-mount or bracketed interfaces for all specified valve stems.
Valve Interface & Standards
Full ISO 5211 / NAMUR VDI/VDE 3845 compliance; MSS SP-101; Custom adaptations for API 6D and API 600 valve interfaces; SIL 2/3 functional safety ratings per IEC 61508.
Applications
Heavy-duty actuation for O&G isolation, FPSO/Offshore ESD service, thermal power modulating control, and high-cycle chemical processing; engineered for 1,000,000+ cycle lifecycle.
Industrial Applications & Services
Oil & Gas (Upstream / LNG)
Pneumatic, hydraulic and electric actuator packages for wellhead, flowline, ESD and LNG isolation valves onshore, offshore and on FPSOs.
Chemical & Petrochemical
Automated ball, butterfly and control valves for process, utility and offsite services in chemical and petrochemical plants.
Power & Cogeneration
Actuators for main steam, feedwater, fuel gas and auxiliary valves in fossil and combined-cycle power plants.
Marine & Naval / Industrial Pipelines
Automation of shipboard and onshore pipeline valves where reliable remote operation, fail-safe action and compact actuator footprints are required.