YOKOGAWA PK200-A33

Brief Description

PK200-A33 is a Yokogawa PK200 series current-to-pneumatic (I/P) converter. It converts 4-20mA DC electronic control signal into proportional pneumatic pressure output for pneumatic valve actuators, widely used in hybrid DCS and pneumatic valve control loops for process plants.

Product Features & Functions

• Input: 4–20mA DC, standard output 20–100kPa pneumatic signal
• Electronic feedback control, linearity ±0.2% of span, repeatability 0.1% of span
• Built-in stainless steel input and output pressure gauges for local reading
• Low air consumption (max 4 Nl/min) with high air delivery capacity up to 110 Nl/min
• Reverse polarity protection, no damage under current reversal or over-current up to 62mA
• Cast aluminum housing with epoxy coating, suitable for harsh field environments
• Surface or 2-inch pipe mounting, standard 1/4 NPT air connections

Application Scenarios

• Yokogawa CENTUM DCS matching pneumatic control valves
• Oil & gas, petrochemical, chemical and refinery process control loops
• Power plant boiler, water treatment and pulp & paper pneumatic actuator control
• Diaphragm control valves, air cylinder actuators and pneumatic positioners
• Legacy I/P converter replacement and field instrument maintenance

FAQ