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Control

01

MEASURING PRINCIPLE

Rotary control valve

A segment or ball rotates in the body to modulate flow.

PRINCIPLE · LIVE SIGNAL13.9mA
Rotary control valve: how it works | INSTRAVAPRIN01

02

HOW IT WORKS

See the principle in action

Move the slider to change the process variable and watch the signal respond.

Rotary control valve
Rotary control valve: how it works | INSTRAVA
VALVE OPENING
50 % open
OUTPUT
12.0 mA
  1. The plug moves along its stem inside the valve body.
  2. Opening the plug enlarges the flow area through the seat.
  3. A characterised plug gives predictable flow change for every percent of travel.

03

AT A GLANCE

Strengths and limits

STRENGTHS

Handles slurries and fibre, tight shut-off

LIMITS

Narrower rangeability than linear valves

06

READ MORE

Articles and downloads

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07

FAQ

Common questions

No questions listed yet.

RFQ

REQUEST A QUOTE

Specify the right instrument

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