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Rotork YTC Smart Valve positioner YT3350

The YT-3300 Smart Pneumatic Valve Positioner precisely controls the stroke of the valve according to the 4-20mA input signal obtained from the controller. Furthermore, the built-in micro-processing operator optimizes the performance of the positioner and offers unique features such as auto-calibrationPID control, alarm, and Hart protocol.

YTC YT3350 Smart Electro-Pneumatic Valve Positioner

The YT-3300 Pneumatic Smart Valve Positioner precisely controls the stroke of the valve according to the 4-20mA input signal obtained from the controller. Furthermore, the built-in micro-processing operator optimizes the performance of the positioner and offers unique features such as auto-calibrationPID control, alarm, and Hart protocol.
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Key Roles and Features 

  • The LCD display allows users to monitor the status of the positioner. 
  • The approach of using buttons is easily understood by users since it functions the same in all versions of interfaces for the firmware. 
  • If an unusual circumstance such as momentary blackout occurs, our boot-time positioner takes just 0.5 seconds to decrease the valve travel, which therefore reduces the valve travel. Increase device security.
  • Also, sudden changes in supply pressure and/or high vibration conditions are usually controlled by Positioner.
  • The Auto Calibration method is very easy. 
  • As an advantage of having very low air consumption, large scale plants may dramatically reduce operating costs.
  • It is compatible with most controllers.
  • Also in the field, orifices may be installed to minimize the incidence of hunting and optimize operating conditions.
  • HART communication (HART option) can process various positioner information.
  • By generating an analog feedback signal, the valve mechanism becomes more robust.
  • Linear, Quick-Open, Equal Percentage, and Custom, which can be defined by 18 points, can be modified for various valves.
  • Tight Shut-Close and Shut-Open can be configured.
  • Without an additional communicator, you can change the PID parameters in the field.
  • A/M switch can be used to direct supply air to the actuator or to manually operate the positioner or valve without any signal.
  • The 4~12mA or 12~20mA split range can be set.
  • The operating temperature for the YT-3301 sensor module is -40 120°C.
  • The positioner operating temperature is -30 85 °C or -40 85 °C (certified explosion-proof temperature please datasheet)


for more details visit the manufacturer’s website


Weight 5.1 kg

Linear, Rotary

Item – Type YT3350L/YT3350R
Input Signal 4~20mA DC
Supply Pressure 1.4~7Kgf (0.14 ~ 0.7 MPa) 1.4 ~ 7.0 bar
Stroke 10 ~ 150 mm / 0 ~ 90°
Impedance Max. 500Ω @ 20mA DC
Air Connection NPT 1/4
Gauge Connection NPT 1/8
Conduit Entry G(PF) 1/2
Repeatability ±0.3% F.S.
Ambient Temp (Operating Temp) -30°C ~ 85°C (-22°F ~ 185°F)
Ambient Temp
(Explosion Temp)
-40°C ~ 60°C (-40°F ~ 140°F) (T5) / -40°C ~ 60°C (-40°F ~ 140°F) (T6)
Linearity ±0.5% F.S.
Hysteresis ±0.5% F.S.
Sensitivity ±0.2% F.S
Air Consumption Below 2 LPM (Sup.=0.14 MPa @ idle)
Flow Capacity 70 LPM (Sup.=0.14 MPa)
Output Characteristic Linear, Quick Open, EQ%, User Set (16 points)
Housing Material Stainless Steel 316
Enclosure / Ingress Protection IP66, Type 4X(FM)
Explosion Proof ATEX, IECEx, KCs, NEPSI:
Ex ia IIC T5/T6 Gb, Ex iaD IIIC T100℃/T85℃ Db, IP66
Class I, Division 1&2 Groups ABCD T5/T6
Class II, Division 1&2 Groups EFG T100℃/T85℃; Class III
Class I, Zone 0, AEx ia IIC T5/T6,
Ex ia IIC T5/T6 Ga; Ex tb IIIC T100℃/T85℃ Db
Weight 5.1 Kg (11.2 lb)

YT-3300,-3350 spec Smart Pneumatic Valve Positioner


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