IES-PCI-405

Single Loop Pressure Control Trainer – IES-PCI-405

Single Loop Pressure Control Trainer is an advanced industrial training system designed to demonstrate closed-loop pressure control using PID controllers and pneumatic systems.

This trainer enables students to understand pressure measurement, control loop behavior, tuning techniques, and industrial automation, making it ideal for engineering colleges, process control laboratories, and industrial training institutes.

Technical Specifications

Air Pressure Measurement System – Industrial air pressure transmitter with measurement range 0–2.5 bar, providing 4–20 mA output signal and operating on 24 V DC supply (~50 mA) for accurate pressure monitoring.
Electro-Pneumatic Converter (E/P) – Signal conversion unit that converts 4–20 mA electrical signal into pneumatic output of 3–15 psi, enabling control of pneumatic actuators.
Pneumatic Control Valve – ½″ industrial globe-type control valve with equal percentage flow characteristic, designed for precise pneumatic flow and pressure control.
Pressure Vessel – Cylindrical pressure vessel with 150 mm diameter and 300 mm length, designed to withstand pressures up to 15 kg/cm² for pressure control experiments.
Process Piping Network – Industrial ¾″ CPVC / ½″ stainless steel piping system equipped with ball valves and leak-proof fittings to simulate real process piping.
Air Preparation Units (FRL) – Filter–Regulator–Lubricator units with pressure gauge, operating range 0–10 kg/cm², and ¼″ NPT/BSP connections to ensure clean and regulated compressed air supply.
PID Pressure Controller – Digital PID controller with universal / 4–20 mA input, 4–20 mA output, and full display for Process Value (PV) and Set Point (SP) for closed-loop pressure control.
Air Supply System – Air compressor with 50 L tank capacity, discharge approximately 2 CFM, powered by 1–2 HP motor, operating on 230 V AC supply with working pressure 5–6 kg/cm².
Electrical Control Panel – MS powder-coated control panel fitted with switches, indicators, test points, and front-mounted PID controller, with properly ferruled wiring and organized cable tray routing.
Mechanical Structure – Floor-mounted rigid MS industrial frame with four heavy-duty caster wheels with locking and brake mechanism for stability and mobility.

KEY FEATURES

Demonstration of single-loop P, PI, PD and PID pressure control
Step response & transient behavior analysis
Manual & Auto tuning of PID controller
Industrial-grade pneumatic components
External PLC/DCS integration capability
Safe, mobile design with MS powder-coated frame and caster wheels
Emphasis on industrial safety practices for pressurized systems

RANGE OF EXPERIMENTS

Closed-loop pressure control study
P vs. PI vs. PD vs. PID control comparison
Manual vs. auto tuning of PID
Step response and transient analysis
Pneumatic control valve behavior
Integration and operation with PLC/DCS (via I/O)

GENERAL

- Application: Pressure Control Training for Process Control & Automation
- Mounting: Floor-mounted mobile trainer
- Safety: Regulated air supply, pressure-rated vessel, proper earthing, and electrical protection