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The equipment adopts the system static pressure as the initial design pressure head in the expansion tank. In the initial operation, the make-up water pump is first started to fill the water chamber in the system and the air pressure tank. After the system is full, the excess water is squeezed into the capsule. As the amount of water increases, the volume of the water chamber expands and compresses the gasbag, and the pressure inside the tank also increases. When it reaches the design pressure, the make-up water pump is turned off by the pressure controller. When the thermal expansion of the water in the system causes the system pressure to rise above the design pressure, excess water is discharged through the relief valve to the make-up water tank for circulation, when the volume of water in the system shrinks due to leakage or temperature drop, and the system pressure drops, the water in the capsule is continuously pressed into the pipe network to supplement the pressure drop loss of the system. When the system has a large amount of water to supplement, the make-up water pump is started.
Address: No. 666 Xinshuini Road, Ganjingzi District, Dalian, Liaoning Province
Telephone: 0411-66880585/66880562
Fax: 0411-66880585
E-mail: hd_dl@163.com
Address: No. 666 Xinshuini Road, Ganjingzi
District, Dalian, Liaoning Province
Telephone: 0411-66880585/66880562
Fax: 0411-66880585
E-mail: hd_dl@163.com
The company continues to create high quality products,
to provide customers with energy saving, environmental
protection, perfect cooling and heating solutions.
The products of Dalian Hongding are highly efficient and
easy to use and maintain, achieving energy conservation
and emission reduction, reducing costs and increasing
economic benefits for enterprises.
“Good Faith, Quality
First, Brand Establishment, Widely Renowned” is the object
of the company.
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