Flow-Rate Control and Study of Valves

Flow-Rate Control and Study of Valves

The equipment should be able to demonstrate the followings:

Measuring head losses and flow rate

Determining Kv and Cv of a valve

Determining the characteristic curve of a valve

Recording a step response

Adjusting the positioner

Proportional, Integral and Derivative control

Open-loop control

Closed-loop control

Tuning techniques of a controller

Specifications (or Equivalent)

The unit must be equipped with (or corresponding part):

Framework: Stainless steel or anodized aluminum with enough thickness to withstand the load of equipment and/or different components of equipment

Storage tank with capacity of 30 litres

Centrifugal pump (made up of material to withstand corrosion and erosion associated problems)

Maximum flow rate = 40 l/min,

Maximum head = 10 m

PID controller

Pressure transducers with range of 0 to 1.5 bar

Magnetic induction flowmeter of stainless steel with range of 0 to 20 l/min

Reducer-filter for compressed air

Compressor (along with female valve of ¼”) for the requirement of compressed air (Minimum requirement of 10 Nm3/h @ 6 bar)

Tap water valve with 1» 2” hose connector

Pneumatic air-to-open control valve, with positioner and by-pass

Pneumatic air-to-close control valve, with positioner and by-pass

Electric control valve with by-pass

Piping and valves

Safety devices, valves or pushbutton

Automated unit along with software for computerized control of the equipment

Computer

UPS with enough backup for shutting down the unit/equipment in case of power failure

List of spares (for 1 year)

The unit must be supplied with all mandatory accessories for smooth operation, gases along with cylinders, installation & after-sale maintenance services, calibration kits (if any) and practices manuals.