Wenzhou EAA Electric Co., Ltd — China electro-pneumatic valve positioner OEM manufacturerWenzhou, ChinaTel 0086-577-65165096[email protected]
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YT1000L Valve Positioner — Rotork YTC Pattern

Rotork Type Valve Positioner

YT1000L Valve Positioner — Rotork YTC Pattern

Rotork YTC-pattern YT-1000L, linear

The Rotork-pattern build of the linear YT-1000L, for buyers cross-referencing an installed Rotork YTC unit. One-way and two-way behaviour, and the feedback detection method, follow the same classification the original range uses.

  • Dimensional and mounting pattern follows the Rotork YTC linear positioner
  • One-way or two-way action — two-way works both sides of a piston actuator cylinder
  • Mechanical linkage feedback of valve position
  • 4–20 mA DC input, 250±15 Ω impedance
  • IP66 aluminium diecast housing
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Data sheet (PDF) →

Typical duty: Replacement and second-source supply for plants standardised on Rotork YTC linear positioners.

Specification

YT-1000L specification (EAA Electric data sheet)
Input signal4–20 mA DC
Impedance250 ± 15 Ω
Supply pressure1.4–7 kgf/cm² (20–100 psi)
Stroke10–150 mm
Air connectionPT (NPT) 1/4
Gauge connectionPT (NPT) 1/8
ConduitPF 1/2 (G1/2)
Explosion proofEx dm IIB T5 / Ex dm IIC T5 / Ex ia IIB T6
ProtectionIP66
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 consumption3 LPM (supply 1.4 kgf/cm², 20 psi)
Flow capacity80 LPM (supply 1.4 kgf/cm², 20 psi)
MaterialAluminium diecasting
Weight2.7 kg (6.1 lb)
Acting typeSingle acting (S) or double acting (D)
Lever type10–40 / 30–70 / 60–100 / 100–150 mm
Orifice typeØ1, Ø2 or none
Connection typePT 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- According to the direction of action,the electropneumatic valve positioner can be divided into one-way valve positioner and two-way valve positioner.

When the one-way valve positioner is used in a piston type actuator,the valve positioner only works in one direction, and the two way electro pneumatic valve positioner acts on both sides of the cylinder of the piston type actuator and works from two directions. Valve positioner can also be classified according to the detection method of the feedback signal.

For example, valve positioners that use mechanical linkage to detect valve position signals; valve positioners that use Hall effect to detect displacement of valve stems; valve positioners that use electromagnetic induction to detect valve stem displacement.

Questions buyers ask

Is this a Rotork product?

No. It is an EAA Electric positioner built to the Rotork YTC mounting and function pattern, sold as a compatible alternative.

What is the difference between one-way and two-way?

A one-way positioner works in one direction on a piston actuator; a two-way unit acts on both sides of the cylinder.

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