Control Valve

YT1200L Type Pneumatic–Pneumatic Valve Positioner

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YT1200L Type Pneumatic–Pneumatic Valve Positioner

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Category : Control Valve. Tags : control valve, Accessaries

YT1200L Type Pneumatic–Pneumatic Valve Positioner is a kind of device that receives direct current signal from controller or control system and transport air to straight trip pneumatic actuator to control valve opening .

Positioner Technology feature

  • Small size
  • Direat action and reaction, single action and double action canbe easily exchange
  • As resonance caused by small type actuator, it can be resolved by adding positioner throttles.
  • Air comsumption less, lower economic cost.
  • Can be split range control within 1/2 without exchanging parts.

Performance and parameter

Item, type Single action Double action
Input signal 0.2~1kgf/㎠(3~15psi)
Input pressure 1.4~7kgf/㎠ (20~100psi)
Trip 10~150mm
Air connection PT (NPT) 1/4
Pressure gauge connection PT (NPT) 1/8
IP class IP66
Enviroment temperature -20~70℃ (-4~158°F)
Linearity ±1% F.S. ±2% F.S.
Hystersis degree 1% F.S.
Spirit acuity ±0.2% F.S. ±0.5% F.S.
Repeatability ±0.5% F.S.
Air consumption 3LPM
(Sup=1.4kgf/㎠, 20psi)
Flow 80LPM
(Sup=1.4kgf/㎠, 20psi)
Material Casting aluminum
Weight 1.7kg(3.1Ib)

Code

Model Action type Feedback stem Throttle Selected parts
YT-1200L Single action 10~40mm ф1 0 No
0 without
  Double action 20~70 mm ф2 1 +PTM (inner valve position feedback)
    50~100 mm No 2 +PTM (outside valve position feedback)
    100~150 mm   3 +L/S( inner limited switch)
        4 +L/S(outside limited switch)
        5 +PTM+L/S (inner valve positioner feedback + limited switch)