Flowserve PMV D20 Bedienungsanleitung PDF herunterladen (Seite 19)

follower pin farther out on the feedback

lever to reduce the angle of rotation.

NOTE: Stroke the actuator carefully and

ensure the follower arm does not

interfere with valve parts, actuator or

positioner. Do not adjust the follower pin

too near to the slot end of the take-off

arm.

The minimum lateral distance should be

approximately 5 mm (0,2 inches) to pre-

vent bending of the feed-back

mechanisim.

6.3 Rotary actuators

Mounting the PMV D20 positioner on

a quarter-turn actuator (closed or

open by spring)

The mounting of a pneumatic double-pis-

ton part-turn valve actuator (in

accordance with VDI/VDE 3845) is

described as an example by using the

following equipment:

Quarter-turn valve actuator: Rack &

pinion or scotch yoke, closed or open by

spring.

Figure 3. Mounting on a Rod Actuator (IEC 534 part 6)

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 33 34

Keine Kommentare

Flowserve PMV D20 Bedienungsanleitung Seite 19