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FBNF Combined Wet-dry Cooling Tower

This FBNFcombined wet-dry cooling tower provided by WANXIANG is a reliable energy-efficient combined cooling equipment which, combined by the closed circuit cooling tower and the finned air cooler, could operate at both modes or at an alternating mode. When the temperature is quite high, this combined cooling tower could start the water spray system. But in most time, it employs the finned air cooler and the coil tubes to radiate heat, saving water and decrease maintenance and costs.

Therefore, this double-mode cooling tower, working as a dry cooling tower and a wet cooling tower, could be applied in both dry and wet conditions and places where the summer is hot and short and longer winter. Usually, the temperature is 20°C higher than the dry ball temperature. Moreover, thanks to its highly reliable cooling performance, this combined wet-dry cooling tower has been applied in a wide range of commercial and industrial areas.

Advantages of FBNF Closed-Circuit Cooling Tower
1. Alternate between dry conditions and wet conditions.
2. Water conservation
3. Superb energy saving effect
4. Adaptable to water shortage, sandstorm and other rough environments

Scope of Applications
1. Temperature of liquids to be cooled: 10-90℃
2. Maximum temperature difference: 20℃, Optimum temperature difference: 5-8℃
3. Suitable wet bulb temperature for projects: 5-15℃
4. In dry conditions, the temperature of water being cooled is normally 20℃ higher than the dry bulb temperature.
5. Average noise value: dB59-72
6. Suitable cooling rate for projects: more than 22L/s
7. Cooling capacity of single module: 365KW-1,530KW
8. This cooling tower can be applied in various severe environments, including sandstorms, water shortage and low wet-bulb temperature etc. It can be also used for industrial process water or civil air conditioning.

Technical Specifications of FBNF Combined Wet-dry Cooling Tower
Model Cooling capacity Fan Spew Pump Inlet(out)
(In)
Shipping Weight
(lbs)
Operating Weight
(lbs)
Dimensions Basic Dimensions
Kcal/h Power
(HP)
Airflow
(CFM)
Power
(HP)
Flow
(GPM)
L
(mm)
W
(mm)
H
(mm)
h1
(mm)
h2
(mm)
A
(mm)
B
(mm)
FBNF-612 350000 7.5×2 88941 3 303 4" 10560 16170 3620 1770 3950 1322 2628 1322 2628
FBNF-621 395000 10×2 105882 4 435 4"(2) 11220 17600 3620 2250 3950 1322 2688 1322 2628
FBNF-622 512000 15×2 129176 4 435 4"(2) 12650 19360 3620 2250 4465 1537 2928 1537 2928
FBNF-631 547000 10×2 144000 5.5 620 4"(2) 13420 21120 4424 2250 4225 1537 2688 1537 2688
FBNF-632 604000 15×2 163059 5.5 620 4"(2) 15180 23100 4424 2250 4465 1537 2928 1537 2928
FBNF-641 653000 15×2 163059 5.5 620 4"(2) 16500 23540 5390 2250 4225 1537 2688 1537 2688
FBNF-642 690000 15×2 163059 5.5 620 4"(2) 17710 26400 5390 2250 4465 1537 2928 1537 2928
FBNF-651 745000 20×2 182118 7.5 857 5"(2) 19470 28160 5390 2896 4225 1537 2688 1537 2688
FBNF-652 795000 25×2 194824 7.5 857 5"(2) 21230 29700 5390 2896 4465 1537 2928 1537 2928

1. Reference conditions for the wet mode
cooling medium: clean water; water inlet temperature: 37 °C;
water outlet temperature: 32 °C; dry bulb temperature: 31.5 °C;
wet bulb temperature: 27 °C; atmospheric pressure: 99.4KPa;
water-side fouling coefficient:0.086m² °C /kW.

2. Reference conditions for the dry mode
cooling medium: clean water; water inlet temperature: 35°C;
dry bulb temperature 10°C; atmospheric pressure: 99.4KPa.

3. Data in the above table are based on those of the cooling tower whose surface air cooler is made of hot-dip galvanized steel.

4. For more information about available quality combined wet-dry cooling tower, please visit our web page www.sh-swl.com.

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