Flowserve D3 Digital Positioner

Flowserve D3 Digital Positioner

The Flowserve D3 Digital Positioner is very simple to inistall,use and operate due to a large graphic display and auto calibrate feature. It will drive the actuator to its open and close limits as well as calibrate its PID control settings to achieve presise valve control. Configuration via five large push bottoms is intuitive, reducing set up times . The computer-optimised pneumatic relay with piezo-electric valves offers excellent dynamic performance combined with low air consumption. The combination of these features result in lower energy consumption and considerable savings, while maintaining a high degree of valve performance. Communication via HART®, Profibus or Foundation Fieldbus is possible. Optional plug in modules offers limit switches, alarm and feedback function.

The Flowserve D3 Digital Positioner, Has HART, Profibus and Foundation Fieldbus capabilities. For General purpose use, Atex Intrinsically safe EExia, Atex Explosion proof EExd, plug in switches and feedback modules.

The Flowserve D3 Digital positioner suits both linear and rotary actuators, single or double acting. Five keys and a large graphic LCD makes it simple to configure and adjust. General purpose, Intrinsically safe and explosion proof housings, plug in modules for limit switches and feedback. Its a true 2 wire unit with a 4-20mA input Sign


  • Digital LCD Display
  • Auto Tuning – Easy Calibration walk through
  • Suitable for both Quarter Turn & Linear Actuators
  • General Purpose Use, Intrinsically Safe use or Explosion proof options available
  • IP66/Nema 4x Enclosure


The strong, die-cast housing is treated with a powder epoxy, protecting the unit from corrosion and mechanical damage. Additionally, the uniquely designed strut on the cover protects the graphic display. The screw terminals for the electrical con-nection are located in an isolated and sealed housing to help protect the electronics if moisture should intrude the conduit.

Easy installation

Installation is simple and quick with split spindle design, a friction coupling for the feedback sensor and the great varietyof mounting kits available from inventory to fit most actuators found on the market. The D3 is not orientation sensitive and mounts on both rotary and linear actuators.


For price and availability or further information, please contact Sales@JeffMorrisLimited.co.uk


D3 is a Digital positioner where high air delivery capacity is combined with low air consumption.
It suits both linear and rotary actuators, single or double acting. Five keys and a large graphic display make D3 simple to configure and adjust. The pneumatic relay consists of piezo electric valves and is made of plastic to offer high corrosion resistance. An easily accessible built in replaceable filter is provided to offer durability together with a sealed of compartment for the terminals.

Communication is possible via HART, Profibus PA and Foundation Fieldbus.

D3 offers a wide range of special versions:
– Fail in last position upon loss of input signal
– Remote mounted
– 270 degree rotation

New ValveSight dtm software

ValveSight allows the users at all levels of experience or technical sophistication to be able to use the solution
– no matter what kind of control valve is being used.

ValveSight uses a dashboard-like interface that does not require the user to navigate to alarms to understand the health of the device. It has been specially designed to communicate complex information simply and quickly.

Ordering info
Model no
D3X – Digital positioner with display and indicator, General purpose
D3I – Digital positioner with display and indicator, Intrinsically safe ATEX
D3E – Digital positioner with display, no indicator, Explosion proof ATEX, CSA/FM
D3F – Digital positioner with display, Expl. proof ATEX, IEC,CSA/FM, Direct mnt to FLS Flowact
G – 1/4″ G air, M20 x 1,5 electrical
N – 1/4″ NPT air, 1/2″ NPT electrical
M – 1/4″ NPT air, M20 x 1,5 electrical
Surface treatment
U – Powder epoxy
E – Stainless steel enclosure (D3E with N connection only)
S – Single acting
L – Single acting, Fail Freeze
P – Single acting, Fail Freeze remote mounted
M – Single acting, remote mounted
D – Double acting
K – Double acting, Fail Freeze function
Q – Double acting, Fail Freeze remote mounted
R – Double acting, remote mounted
23 – Rotary VDI/VDE 3845
39 – D type with thread/nut for Linear actuators
09 – Double D type & adator spindle
Cover and Indicator (No indicator on D3E)
PVA – Black PMV, 90 deg, Arrow indicator
PVB – Black, Extended travel, 270 deg, Arrow indicator
Z – No pressure sensors, NBR -30°C to 80°C
Y – On Board pressure sensors, ValveSight, NBR -30°C to 80°C
Input signal/Protocol
4 – 4-20 mA
5 – HART, 4-20 mA
P – Profibus PA
F – Foundation Fieldbus
Feedback option for D3X and D3I only
X – No feedback option
T – 4-20 mA transmitter + Alarm (Included in the remote mounted)
S* – Limit switches MEC + 4-20 mA + Alarm
N* – Limit sensors NAM + 4-20 mA + Alarm
P* – Limit switches PXY + 4-20 mA + Alarm
4* – Slot type Namur sensor, P+F SJ2 S1N + Alarm
5* – Slot type Namur sensor, P+F SJ2 SN + Alarm
6* – Slot type Namur sensor, P+F SJ2N + Alarm
(*) – Not for D3E/D3F
X – No accessories
M – Gauge block with 3 x ports (Included in D3E/D3F)
1 – Gauge block incl 1 gauge brass / NPT 0-11 bar
2 – Gauge block incl 2 gauges brass / NPT 0-11 bar
3 – Gauge block incl 3 gauges brass / NPT 0-11 bar