YTC Type Valve Positioner

YT1000R+PTM(external) Electro Pneumatic Valve Positioner

Rotary positioner with external position transmitter module

YT-1000R with the PTM mounted externally. The positioner converts the regulator's DC signal into air pressure, controls the valve and feeds back displacement or rotation angle — a closed loop that raises valve control accuracy.

External PTM (option code 2) for separate service access
Feedback by valve displacement or rotation angle closes the control loop
Used with pneumatic control, ball and butterfly valves
Handles air, water, steam, corrosive media, mud, oil and other fluids
Air connection PT (NPT) 1/4, conduit PF 1/2 (G1/2)

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Typical duty: Regulating, diverting and shut-off duty on pneumatic ball and butterfly valve assemblies.

Specification

YT-1000R specification (EAA Electric data sheet)
Input signal	4–20 mA DC
Impedance	250 ± 15 Ω
Supply pressure	1.4–7 kgf/cm² (20–100 psi)
Stroke	0–90°
Air connection	PT (NPT) 1/4
Gauge connection	PT (NPT) 1/8
Conduit	PF 1/2 (G1/2)
Explosion proof	Ex dm IIB T5 / Ex dm IIC T5 / Ex ia IIB T6
Protection	IP66
Ambient temperature	-20 to +70 °C operating; -20 to +60 °C explosion-proof
Linearity	±1 % F.S. single acting / ±2 % F.S. double acting
Hysteresis	±1 % F.S.
Sensitivity	±0.2 % F.S. single acting / ±0.5 % F.S. double acting
Repeatability	±0.5 % F.S.
Air consumption	3 LPM (supply 1.4 kgf/cm², 20 psi)
Flow capacity	80 LPM (supply 1.4 kgf/cm², 20 psi)
Material	Aluminium diecasting
Weight	2.8 kg (6.2 lb)
Lever type	M6×40L / M6×63L / M8×40L / M8×63L / NAMUR
Option 1	None (standard) or dome cover
Option 2	None / +PTM internal / +PTM external / +L/S internal / +L/S external / +PTM+L/S internal

Technical background

Type YT-1000R Electro-pneumatic valve positioner is used for operation of pneumatic rotary valve actuators by means of electrical controller or control system with an analog output signal of DC 4 to 20 mA or split Ranges.

YT1000R Electro Pneumatic Valve Positioner- Electro-pneumatic valve positioner The electro valve positioner is used in conjunction with pneumatic control valves, pneumatic ball valves, pneumatic butterfly valves, etc., to convert the direct current signal of the electric regulator into air pressure, control the valve action, and feedback according to the valve displacement or rotation angle, thus forming a closed loop control Circuit to improve the control accuracy of the valve Electro valve positioner is used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media.

It can play a certain role in regulating, diverting, and cutting off. The role of The valve positioner, according to the structure, is divided into pneumatic positioner, electro valve positioner and intelligent valve positioner. It is the main accessory for regulating the valve. It is often used in conjunction with pneumatic regulating valve, and it accepts regulators.

Then use its output signal to control the pneumatic control valve. When the control valve is actuated, the displacement of the valve stem is fed back to the valve positioner through the mechanical device, and the valve position status is transmitted to the upper system through electrical signals.

Questions buyers ask

Why put the PTM outside?

So the transmitter can be reached and replaced without opening the positioner — the trade-off is a larger assembly.

Which media can the valve assembly handle?

The positioner itself controls the valve; the source lists air, water, steam, corrosive media, mud, oil, liquid metal and radioactive media as the fluids these assemblies regulate.

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