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1,technical parameters
| Tank material | Carbon steel |
| Built-in diaphragm | Butyl rubber diaphragm |
| interface | Low carbon steel or stainless steel flange |
| Operating temperature | -10 ° C ~ 99 ° C |
| Exterior | red |
| Pressure | 6bar/10bar/16bar optional |
| Balloon | EPDM/butyl rubber optional |
| Precharge pressure | 2 to 12L is 1.5 bar |
| 19 to 100L is 2.0 bar | |
| 150 to 500L is 2.5 bar | |
| 500L or more is 3.0 bar |
2,size
| model | Volume | D | H | interface | Package Size |
| L | mm | mm | L × w × h / quantity | ||
| AT019..3.. | 19 | 410 | 290 | G3/4orG1 | 29.5×29.5×41CM×1PC |
| AT024..3.. | 24 | 460 | 290 | G3/4orG1 | 29.5×29.5×46CM×1PC |
| AT036..3.. | 36 | 490 | 380 | G1 | 38×38×50CM×1PC |
| AT050..3.. | 50 | 560 | 380 | G1 | 38×38×57CM×1PC |
| AT060..3.. | 60 | 490 | 480 | G1 | 48×48×50CM×1PC |
| AT080..3.. | 80 | 630 | 480 | G1 | 48×48×64CM×1PC |
| AT100..3.. | 100 | 720 | 480 | G1 | 48×48×73CM×1PC |






Applicable to thermal systems (boilers, air conditioners,heat pumps, water heaters,etc.), constant pressure systems (frequency conversion water supply,constant pressure water supply,etc.),solar energy systems.
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1, working principle:
(1) When externally pressurized water enters the balloon of the expansion tank, the nitrogen gas sealed in the tank is compressed.
(2) According to Boyle's law of gas, after the gas is compressed, the volume becomes smaller and the pressure rises until the gas pressure in the expansion tank reaches the same pressure as the water.
water.
(3) When the water loss pressure is reduced, the gas pressure in the expansion tank is greater than the water pressure. At this time, the gas expansion expands the water in the balloon to the system until the gas pressure
Stop draining when the pressure of the water reaches the same level again.
2. Structure description:
(1) It consists of four parts: the tank, the balloon, the inlet/outlet and the air inlet.
(2) The pre-inflated body between the balloon and the can is filled at the factory, and it is not necessary to refill itself.
(3) The biggest difference between a bladder expansion tank and a diaphragm expansion tank is:
1 The inside of the capsule of the capsule expansion tank is water, and the upper part of the diaphragm type expansion tank is gas, and the lower part is water;
2 capsule type only flange and balloon contact with water, if the flange is selected as stainless steel flange,The life of the expansion tank will be greatly extended.
3. Installation:
In the thermal system, such as air conditioners, boilers, heat pumps, etc., are generally installed at the return end of the system. The water supply system is usually installed at the outlet of the pump.

ACOL (Shanghai) Online Controls Co., Ltd.Since 2002
1.Manufacturer of developing HVAC system control products
2.Set R & D, production, sales, technical services in one of the specialized high-tech company.
3.Aiming at the application of HVAC systems , putting forward a comprehensive system solutions to meet customers demand, developing and providing professional flow control solutions in HVAC system
(1.)Antifreeze solutions for heat exchanger of Small ,Medium and Large chillers
(2.)Protection solutions of low pressure drop water flow for heat pump systems
(3.)Anti-corrosion water flow protection solutions for Pool heat pumps
(4.)Solutions for Closed expansion water systems
(5.)Control energy-saving solutions for Medium and large central air-conditioning
(6.)Control solutions for Hydraulic module engine room of heat pumps
(7.)The solutions of differential pressure , bypass ,energy-saving for Residential central air conditioning
The solutions of control for Air systems
4. Export to more than 90 countries in Oceania , Europe , Middle East , Southeast Asia , America, Africa.

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