Instruction Manual

Instruction Manual
D103460X012
D3 Valve with easy-Drive Actuator
November 2013
3
Description
The Fisher D3 with easyDrive electric actuator technology (figure 1) is a globe valve with electric actuator specifically
designed for upstream, low power applications. The easyDriveoperateswith12or24VDCineitheron/offor
Positioning configurations.
The on/off configuration has 2 different states; opened or closed, which are ideal for dump or snap acting applications.
The Positioning configuration extends the functionality to intermediate positions for flow and pressure control
applications.
Specifications
Table 1 lists specifications for the D3 control valve. Some of the specifications for a given control valve as it originally
comes from the factory are stamped on a nameplate located on the lower actuator housing.
Educational Services
For i nformation on available courses for the Fisher D3 control valve with easy-Drive electric actuator, as well as a
variety of other products, contact:
Emerson Process Management
Educational Services, Registration
P.O. Box 190; 301 S. 1
st
Ave.
Marshalltown, IA 50158-2823
Phone: [phone] or
Phone: [phone]
FAX: [phone]
e-mail: [e-mail]
Installation
WARNING
Always wear protective gloves, clothing, and eyewear when performing any installation operations to avoid personal
injury.
Toavoidpersonalinjuryorpropertydamagecausedbyburstingofpressure-retainingpartsorbyuncontrolledprocess
fluid, be certain the service conditions do not exceed the limits shown on the valve nameplate and in table 1. Use
pressure-relieving devices required by government or accepted industry codes and good engineering practices.
Check with your process or safety engineer for any additional measures that must be taken to protect against process
media.
If installing into an existing application, also refer to the WARNING at the beginning of the Maintenance section in this
instruction manual.
WARNING
For explosionproof applications, ensure the actuator cover is properly bolted before applying power to the actuator.
Personal injury or property damage may result from fire or explosion if power is applied to the actuator with the cover
removed in a hazardous area.