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Pemasok yang Diaudit Our bladder surge tank provides full system protection from both positive and negative pressure surges. The bladder in the tank creates a full separation between the air and the liquid; enabling the tank to operate longer and with no required maintenance.
Verifying optimum operation using the following features:
Visual Level
Magnetic Level
Weight Controller
Free studies of Surge Analysis from the beginning of the project
Advantages of bladder tanks are:
No contact with water/metal; avoiding eventual corrosion
Eliminates air compression permanent system
1,Initially, the pre-charge pressure must be adjusted to the value resulting from the hydraulic analysis (pre-charge can be either compressed air or nitrogen). At this stage, the bladder contains no volume at all.
2,When the gate valve is opened, the water will enter the vessel under static conditions and begin to compress the gas (static pressure is always higher than pre-charge pressure).
3,The water entering the vessel will further compress the pre-charged gas until a balance between the liquid and the compressed gas is reached.
4,Immediately after a pump trip, the pressure in the line will start to decrease and the elastic energy in the vessel will cause the discharge of water from the vessel into the line. This prevents dangerously low pressure along the pipe.
5,As the pressure may become very low, the flow will reverse. Water will then enter into the vessel via a reduced diameter (drilled non return valve or bypass) if hydraulically required. Several oscillations may occur before static state is reached.
6,When the pump restarts, the vessel will continue to fill until dynamic steady state is reached and it is then once again prepared for the next pump trip.
Nanjing Beite Air Conditioning Equipment Co., Ltd. is a high-tech comprehensive enterprise specializing in the research and development, production, sales and after-sales service of HVAC water treatment equipment. Our company has two production plants, four standardized workshops and two office buildings, with a total area of 48,000 square meters. We mainly provide corresponding water treatment equipment for HVAC circulating water system with one-stop supply and service.
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