YTC Type Valve Positioner

YT1000L Electro Pneumatic Valve Positioner-Black

YT-1000L in the standard black diecast finish

This is the black-housing build of the YT-1000L linear positioner — the finish most OEM customers order when the unit ships under their own valve brand and has to match a black actuator.

Standard black baking finish on aluminium diecast housing
Same 4–20 mA DC input, 250±15 Ω impedance as the rest of the YT-1000L family
Explosion-proof options Ex dm IIB T5, Ex dm IIC T5, Ex ia IIB T6
IP66 enclosure, -20 to +70 °C operating
Supplied with mounting bracket kit and data sheet

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Typical duty: OEM valve assemblies where the positioner has to blend into a black-finished actuator package.

Specification

YT-1000L 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	10–150 mm
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	2.7 kg (6.1 lb)
Acting type	Single acting (S) or double acting (D)
Lever type	10–40 / 30–70 / 60–100 / 100–150 mm
Orifice type	Ø1, Ø2 or none
Connection type	PT or NPT

Technical background

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

YT1000L Electro Pneumatic Valve Positioner- Valve positioners are classified into pneumatic valve positioners, electro-pneumatic valve positioners and smart valve positioners according to input signals. The input signal of the pneumatic valve positioner is a standard gas signal, forexample, a 20~100kPa gas signal, and its output signal is also a standard gas signal.

The input signal of the electric valve positioner is a standard current or voltage signal, for example, 4-20mA current signal or 1~5V voltage signal, etc. 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 the electric signal.

The valve positioner can increase the output power of the regulating valve, reduce the lag in the transmission of the regulating signal, accelerate the movement speed of the valve stem, improve the linearity of the valve, overcome the friction of the valve stem and eliminate the influence of unbalanced force. So as to ensure the correct positioning of the regulating valve.

Questions buyers ask

Is the black version technically different from the other colours?

No. Colour is a finish option; input signal, stroke, accuracy and enclosure rating are identical across the YT-1000L colour builds.

Can you print our brand on the nameplate?

Nameplate and colour are part of the OEM options this factory ships — see the Customer OEM Case gallery for examples that were produced.

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