Test Bench For Maintenance And Tightness Of Industrial Valves Didactic Equipment

Test Bench For Maintenance And Tightness Of Industrial Valves Didactic Equipment

Test Bench For Maintenance And Tightness Of Industrial Valves - Didactic equipment
This trainer is developed to perform testing, maintenance, and repair of industrial valves such as manual diaphragm valve, pneumatic control valve. electric switch valve, and electric control valve.
It has a welded work surface with a stable steel structure with wheels.
It   include a control box composed of adjustable flowmeters, pressure gauges, integrated programming touch screen, main power switch with leakage protection, power socket, and safety terminals for testing.
Two sets of quick couplings for air pipes is on the lower left side of the control box with plugs connected with pressure gauges and flowmeters inside the control box.
A drawer cabinet is available under the work surface for placing tools, test instruments, and air pipes used during the experimentation.
A platform relatively close to the ground is available for fixing the industrial valves in non-experimental testing state.
Four mounting bolts on the upper side of the test bench is available to fix the industrial valves for testing and/or maintenance.
The manual diaphragm valve (On/Off) has the following features:
Diameter: DN40,
Working pressure: 1.6Mpa,
Lining material: the flow parts are fully lined with fluorine, acid, and alkali resistant and corrosion resistant.

The pneumatic control valve (On/Off) has the following parameters:
Diameter: DN40,
Air supply pressure: 0.14 + 0.35 Mpa,
Input signal (air pressure) of the actuator: 0.02 + 0.1 MPa,
Output of the actuator: mechanical stroke 25 mm,
Flow characteristics: linear,
Input electrical signal: 4 + 20 mA,
Position feedback signal: 4 + 20 mA,
Working medium pressure: < 1.6 Mpa,
Working medium temperature: -20° +200°C (gas or liquid).
The electric switch valve has the following features:
Diameter: DN40,
Torque: 50 Nm,
Drive power: AC 220 V, 50 Hz,
Action time: 20 s,
Rotation angle: 0 ÷90°,
Motor power: 10 W,
Pressure: 1.6 MPa,
Medium temperature: 29 ÷450°C,
Weight: 3 kg.
The electric control valve has the following features:
Power supply: AC 220 V ± 10%, 50 Hz,
Power consumption (at rated load) - Type A actuator: 50 VA,
Input signal: DC 4 ÷20 mA or DC 1 + 5 V,
Output signal: DC 4÷20 mA (load resistance below 500 $2),
Control accuracy - Basic error: ±1%; hysteresis ≤1%; dead zone ≤1%,
Working temperature: -10°÷ 60°C,
Relative humidity: below 95%,
Stroke: 30 mm,
Torque: 800 N.
The trainer   also include an air compressor with the following features:
Power supply: AC 220 V, 50 Hz
Displacement: 110 L/min,
Volume: 40 L,
Power: 1100 W,
Pressure: 0.7 MPa.
A mobile crane is also supplied with the trainer to lift, to lower, and to manage the valves in a simple and safe way.
With this trainer, the final user is able to study and to perform the following topics:

Pneumatic energy (pneumatic and electro-pneumatic positioners),
Movement conversion (cam, spring, shaft),
Sensors (flow),
Materials (air pump, materials suitable for airtightness and fluid flow).
The trainer has the following characteristics:
Power supply: Single-phase AC 220V/50Hz, <1kW,
Dimensions: 1500x1200x1600 mm,
Weight: 300 kg.

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