Scotch-Yoke Actuators
G-Series double-acting actuators produce guaranteed minimum torque outputs from 10,000 lb-in. up to 6,000,000 lb-in. The spring return units produce spring torques from 2,500 lb-in. to 3,000,000 lb-in.
Spring return or double acting, quarter turn, scotch yoke actuators. Torque ranges from 10,000 in.lb. to +22,000 in. lb. The shaft-driven accessory interface conforms to the NAMUR standard and is identical on all G-Series actuators, allowing for standardization of accessory mounting hardware and installation practices.
Namur
The shaft-driven accessory interface conforms to the NAMUR standard and is identical on all G-Series actuators, allowing for standardization of accessory mounting hardware and installation practices.
- Pneumatic and hydraulic scotch-yoke actuators
- Automates ball, butterfly, plug valves, and any other 90° rotating mechanisms
- Salt Spray Testing per ASTM B117 criteria. Construction features prevent water ingress, allowing G-Series actuators to meet IP 66 and IP 67M specifications and severe high-pressure water deluge tests.
Operating Ranges
G-Series double-acting actuators produce guaranteed minimum torque outputs from 10,000 lb-in. up to 6,000,000 lb-in. The spring return units produce spring torques from 2,500 lb-in. to 3,000,000 lb-in.
Standard operating pressures:
- Pneumatic — to 200 psig (14 BAR)
- Standard operating temperature is -20°F to +200°F (-29°C to +93°C)
- Optional trims available:
0°F to +350°F (-18°C to +177°C)
-50°F to +180°F (-46°C to +82°C) - Mechanical and hydraulic manual overrides are available
- MSS and ISO Valve Mounting The G-Series valve interface meets the dimensional requirements of MSS SP-101 or ISO 5211 defined for each torque range.
Reference: www.apollovalves.com
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