YTC Type Valve Positioner

YT1000R+PTM(Internal) Electro Pneumatic Valve Positioner

Rotary positioner with internal position transmitter module

YT-1000R with the PTM position transmitter fitted internally: the valve keeps its 4–20 mA control input and returns a position signal from inside the same enclosure, with no second box on the actuator.

PTM position transmitter built inside the positioner housing
Option code 1 (+PTM internal) in the YT-1000R ordering table
Analog or fieldbus digital input variants exist in the family
Ordinary or CPU-equipped (intelligent) builds available
0–90° stroke, IP66, 2.8 kg class

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Typical duty: Quarter-turn valves that must report position back to the DCS without adding an external transmitter to the actuator stack.

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- According to whether the input signal of the valve positioner is analog signal or digital signal, the valve positioner can be divided into ordinary valve positioner and fieldbus electro valve positioner. According to whether the valve positioner has CPU or not, it can be divided into ordinary electro valve positioner and intelligent electro valve positioner.

The main function of the valve positioner: Valve positioner is used to improve the quality and movement speed of the regulating valve, mainly due to the guarantee of an amplifier and sufficient air source pressure. The main function of YT1000 EP Valve Positioner:1.

Valve Positioner is used to improve the quality and movement speed of the regulating valve, mainly due to the guarantee of an amplifier and sufficient air source pressure. Valve Positioner is used to increase the output force, mainly used for high pressure difference, high pressure medium, high temperature, low temperature and large diameter valve occasions. 3.

Questions buyers ask

Internal or external PTM — how do I choose?

Internal keeps the assembly compact and is ordered as option 1; external (option 2) is used when the transmitter has to be serviced separately.

Can I get it with a limit switch as well?

Yes — the +PTM+L/S internal combination is a listed option, and this factory ships the assembled combination.

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