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Constant pressure constant pressure water supply and exhaust device

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In many modern buildings such as hotels and shopping malls, the central air-conditioning system is widely used to create a constant temperature and comfortable environment. The varmt series of atmospheric pressure and constant-pressure water supply and exhaust units are organic constituent units of intelligent central air-conditioning systems. Pressure, automatic water replenishment, and intelligent exhaust are widely integrated in various closed-loop systems of heating and cooling circuit pipes. Created a new era of constant pressure exhaust of air conditioning systems.


Working principle :

The SCDY series atmospheric pressure and constant pressure water supply and exhaust unit is composed of a constant pressure unit and a normal pressure degassing expansion tank. When the unit is running, the system uses the constant pressure unit to realize low pressure automatic water replenishment and overpressure automatic overflow to ensure System constant pressure. During the exhaust process of the system, the high-pressure air bubbled water is degassed at normal pressure through an atmospheric degassing expansion tank to remove the gas in the circulating water.


Unit functions :

1, constant pressure-can accurately control the system pressure in a very small range;

2. Exhaust gas-can remove a large amount of gas in the water of the circulation system;

3. Water replenishment-the system can replenish water automatically;

4. Soft water-The soft water unit can soften the incoming water and make up the water.


Unit characteristics :

1. The equipment can be placed at the highest point or any corner in the system, and he can guarantee excellent gas removal.

2. Elimination of gas in the tube can solve the problems of system air resistance, noise, wear, cavitation, and reduction of heat transfer efficiency, reduce maintenance, extend equipment life, and effectively reduce transportation costs.

3. The equipment's constant pressure accuracy is high, up to ± 0.2bar.

4. It has the function of isolating and replenishing water, and replenishing water under pressure, so that the system pressure will not be too high due to the instability of replenishing water pressure.

5. The soft water type unit can bring soft water supplement function without additional water quality treatment equipment.

6. The unit is also suitable for systems containing up to 50% ethylene glycol.

7. Microcomputer-based control system, fully automatic unmanned operation, data acquisition and intelligent building communication.


Application areas :

SCDY series constant pressure units are widely used in heating and cooling systems of hotels, hospitals, public welfare venues, and office buildings.

SCDY series constant pressure units are widely used in the circulating closed system of heating and cooling of liquid process in factories.


Technical parameters :

Maximum operating pressure: 16bar Maximum instantaneous temperature: 120 ° C

Operating medium temperature: 0-90 ℃ Working environment temperature: 0-45 ℃

Equipment working noise: 50-60dB Equipment protection level: IP54

Working power voltage: 220V / 380V Working environment humidity: <95%, no condensation

Maximum vibration impact: ≤5m / s2 Maximum working altitude: <1000M

SCDY atmospheric pressure deaeration expansion tank specifications

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