What symbol is used to indicate the valve position signal of the control valve?

Valve position feedback is traditionally represented by ZT, and pressure regulating valve can be represented by ZTP- 10 1.

Initial character

The extended meaning of the modifier of measured variable or initial variable.

analyse

Burner flame

C

Differential difference

Electromotive voltage

Flow ratio (fraction) ratio

G

Manual (manual start) Manual.

Current (electric) current

J POWER scanning

K time or schedule time or schedule

liquid level

Instantaneous instantaneous value

ordinary

O

Pressure or vacuum. Pressure or vacuum.

Quantity, quantity, integral or total concentration or accumulation

radioactive rays

Speed or frequency safety

Test temperature

multivariate

Vibration vibration

Weight or force weight or force

Unclassified x-axis

Y event, state or existence event state y axis y axis

Z position position z axis z axis

Subsequent letter suffix

Reading or passive function reading or other function output function modifier extended meaning

alarm

B

Control rules

D

major constituent

F

G glass observation device glass

H Gao Gao

I give instructions.

J

control station

L lamp (guide) ever-burning lamp (guide) low

Middle, middle

ordinary

O hole (throttle) orifice plate

P-point (test) connection point (test connection)

Q integrator or accumulator integrates or accumulates.

Record or print record or print.

S switch

Test launcher

Multifunctional multifunctional multifunctional multifunctional multifunctional multifunctional multifunctional multifunctional

Valve, baffle or louver valve, baffle or vent.

W well sleeve

X unclassified unclassified unclassified unclassified unclassified unclassified unclassified undivided undivided.

Y relay or computer relay or calculation

A terminal control system driven, executed or unclassified by a final control element.