Emerson Fisher 480- Manuals

Instruction Manual D100291X012 480 Series Actuators August 2012 6 When 480 Series actuators are supplied to operate dampers, louvers, or similar equipment, a suitable mounting plate should be provided, and the piston rod of the actuator connected to the operating arm of the damper, etc., with approp...

Instruction Manual D100291X012 480 Series Actuators August 2012 7 the piston to the other. For most actuators in the 480 Series, this device is a 3570 positioner. However, a separate loading device must be provided for actuators without positioners. For actuators with positioners (figure 4), the pne...

Instruction Manual D100291X012 480 Series Actuators August 2012 8 481 The 481 actuator also requires 1/4 NPT external supply pressure piping. The 481 has only a pressure tap cover on top of the cylinder. Supply air pressure must be connected to it, and also to the lower cylinder connection located n...

Instruction Manual D100291X012 480 Series Actuators August 2012 9 1. Bypass the valve body or shut off the pressure in the pipeline. CAUTION The adjustable linkage between the actuator and the main valve should not be disconnected when the valve is open with fluid flowing. (Dampers or louvers should...

Instruction Manual D100291X012 480 Series Actuators August 2012 12 Parts Ordering When corresponding with your Emerson Process Management sales office about this equipment, refer to the serial number found on the actuator nameplate (key 22). Also, specify the complete 11-character part number from t...