The Worcester 72 Series Electri-Safe electric actuator from Flowserve offers a robust, compact, and cost-effective solution for valve actuation, combining reliable performance with advanced safety features. Designed with a spring return/fail-safe capability, this actuator ensures dependable operation in critical systems where safety is paramount. Its compact design makes it an ideal choice for space-constrained environments, while its powerful electro-hydraulic mechanism delivers efficient and fast actuation, making it a practical and economical option for applications requiring fail-safe functionality in the event of power failure.
| Industries | General Industries: Pulp & Paper, Food & Beverage, Other Industries, Chemicals: Basic (Organic & Inorganic), Specialty (Fine & Consumer), Biofuels, Pharmaceutical, Water: Water Management, Wastewater, Agriculture & Irrigation, Flood Control System, Power: Concentrated Solar Power (CSP) |
| Output Torque | 1572 Open/Hydraulic and Close/Spring: 800/540 in-lb, 2072 Open/Hydraulic and Close/Spring: 1300/900 in-lb |
| Variations | Fail Closed, Fail Open, Breather - Drain Plug, Positioner, Step Control |
| Movement Range | Quarter Turn: 90° with 3° of adjustable travel stop on either end |
| Conduit Connections | 3/4" NPT |
| Actuator Size | 15, 20 |
| Design Temperature | -18°C to 66°C (Heat tracing is recommended below 0°C, and required below -18°C) |
| Mounting | Actuator: ISO 5211, Accessories: NAMUR VDI/VDE 3845 |
| Type | Intrusive Quarter-Turn Electro-Hydraulic Fail-Safe Rotary Actuator |
| Enclosure Materials | Watertight, corrosion-resistant, Type 4, 4x, 7, 9, 12 – Cast aluminum, anodized. |
| Solenoid Voltage | 120 A – 120 VAC 50/60 Hz, 240 A – 240 VAC 50/60 Hz, 24 VDC |
| Actuator Action | Fail-safe on power failure with spring-return operation; Fail open or closed |
| CSA Certifications | Class I Division 1 & 2, Group B, C and D, Class II Division 1 & 2, Group E, F and G, Class III Division 1 & 2 |
