Flowserve PMV P3 Bedienungsanleitung PDF herunterladen (Seite 5)

Figure shows P3 positioner with integral I/P converter and cover removed

3. Design

located externally (explosion proof), see

section ”Variants”.

The adjusting screws and knobs are

accessible under the removable sealed alu-

minium cover.

The P3 positioner comprises a basic

module with a single acting valve block. It

also includes a sealed chamber with termin-

als for the electrical input signals.

The I/P unit can be built into the main

housing (as shown in the figure below) or

Span

adjustment

Adjusting

screw, gain

Adjusting screw,

damping

Zero position

adjustment

Balance arm

Flapper nozzle

Feedback spring

I/P

converter

Electrical

connection

Feedback arm

C+

Supply

Input

3-15 psi

➠

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Flowserve PMV P3 Bedienungsanleitung Seite 5