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Damcos BRC Double-Acting Hydraulic Rotary Actuator
The Damcos™ BRC Double-Acting Rotary Actuator uses an original helical spline mechanism to deliver high, balanced torque output within a compact footprint. Operating at a standard pressure of 135 bar, the BRC series covers torque ranges from 125 to 32,000 Nm for quarter-turn valve remote control systems in harsh marine environments.
Overview
The Damcos™ BRC Hydraulic Double-Acting Rotary Actuator by Emerson sets the benchmark for marine valve remote control systems. Built with a unique helical spline design, the BRC actuator delivers consistent high-torque performance across a full 90° rotation while maintaining a space-saving profile and minimal oil displacement. Backed by over 30 years of field-proven marine service, it is ideal for quarter-turn valves operating in harsh sea air and seawater conditions.
Key Features & Advantages
- Helical Spline Mechanism: Produces high torque output with a compact footprint and minimal oil displacement.
- Balanced Rotary Design: Eliminates side forces and bending moments on the valve spindle to extend valve life.
- Harsh Marine Duty: Engineered specifically for sea air and seawater environments.
- Expanded Size Range: Supports torque outputs from 125 Nm to 32,000 Nm across the series.
- Universal Compatibility: Easily adapts to all major quarter-turn marine valves.
- Proven Reliability: Backed by over 30 years of field operation on commercial vessels and offshore platforms.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand / Manufacturer | Damcos™ / Emerson Automation Solutions |
| Actuator Type | Double-Acting Hydraulic Rotary Actuator |
| Standard Operating Pressure | 135 bar |
| Burst Pressure | 675 bar |
| Torque Range | 125 to 32,000 Nm |
| Rotation Angle | 90° ±5° (BRC D) / 90° ±1° (Older Versions) |
| Oil Displacement | 0.026 to 6.1 Liters |
| Weight Range | 5.3 to 441 kg |
| Ambient Temperature | -25°C to +80°C (On Request: -45°C to +120°C) |
Typical Applications
- Marine valve remote control systems (VRC)
- Cargo and slop tank valve operations
- Ballast water management systems
- Bunkering and fuel transfer lines