Designed for fail open/close oper- ations in emergency conditions. Compliant with all open bus pro-
tocols, with PST capability. SIL 3 rated, suitable for ROSOV (remote operated shut-off valves).
Spring operation: start- ing torque up to 18000 Nm (159313 Lb-in), ending torque up to 9000 Nm (79656 Lb-in)
Voltage: from 24 to 110 VDC; from 110 to 240 V 50/60Hz 1PH; from 208 to 690 V 50/60Hz 3PH
Temperature range: -45°C to +85°C (-49°F to +185°F)
RPD-RPS rack & pinion actuators offer a reliable, easy and cost effective solution, providing max- imum torque output with mini- mum supply pressure. The hous- ing can be ductile iron or carbon steel; all other parts are in carbon steel as a minimum.
Design pressure: 12 bar g (174 psi)
Double acting torque: up to 3.700 Nm (32,700 Lb in)
Spring ending torque: up to 1.100 Nm (9,700 Lb in)
ALGA-ALGAS pneumatic scotch yoke actuators are suitable for quar- ter-turn valves up to the largest siz- es, thanks to an efficient design and to high break-out torque. The QA version with damper performs fail
stroking in less than 1 second.
Design pressure: 12 bar g (174 psi)
Double acting torque: up to 750.000 Nm (6,630,000 Lb in)
Spring ending torque: up to 235.000 Nm (2,078,000 Lb in)
