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| Parameter | Square Counter Flow Cooling Tower | Round Counter Flow Cooling Tower | Round Closed - Circuit Counter Flow Cooling Tower |
| Cooling Capacity | Varies widely based on size, typically from 50 to 3000 tons of refrigeration (TR). Smaller units may be around 50 - 200 TR, while large - scale ones can reach up to 3000 TR. | Similar to square counter - flow, ranging from 50 to 3000 TR. Compact models may start at 50 TR, and large industrial versions can go up to 3000 TR. | Usually in the range of 100 to 2000 TR. The closed - circuit design may limit the upper capacity due to space and heat - transfer considerations. |
| Water Flow Rate | Depends on the cooling capacity. For a 100 - TR unit, it may be around 200 - 300 cubic meters per hour (m³/h). For a 1000 - TR unit, it can be 2000 - 3000 m³/h. | Similar to square counter - flow. A 100 - TR unit may have a water flow rate of 200 - 300 m³/h, and a 1000 - TR unit can reach 2000 - 3000 m³/h. | For a 100 - TR closed - circuit tower, the water flow rate may be 150 - 250 m³/h. For a 1000 - TR unit, it can be 1500 - 2500 m³/h. The closed - circuit design may have a slightly lower water flow rate compared to open - circuit towers. |
| Approach Temperature | Usually in the range of 2 - 5°C. A well - designed tower can achieve an approach temperature of around 2 - 3°C, while standard units may have an approach of 3 - 5°C. | Similar to square counter - flow, with an approach temperature typically between 2 - 5°C. High - efficiency models can reach 2 - 3°C. | Can achieve relatively low approach temperatures, often in the range of 1 - 4°C. The closed - circuit design may allow for better temperature control and a lower approach. |
| Range Temperature | Typically from 5 - 10°C. For example, in a common application, the range temperature may be around 8°C. | Similar to square counter - flow, with a range temperature usually between 5 - 10°C. | Can have a range temperature of 6 - 12°C. The closed - circuit design may have a different heat - transfer mechanism, resulting in a slightly different range. |
| Noise Level | Can be in the range of 55 - 75 decibels (dB(A)). Smaller units may be on the lower end of the range, while larger towers with more powerful fans can reach up to 75 dB(A). | Similar noise levels to square counter - flow, ranging from 55 - 75 dB(A). The round shape may have some minor effects on noise dispersion. | Generally, closed - circuit towers can be a bit quieter, with noise levels in the range of 50 - 70 dB(A). The closed - circuit design may help in reducing noise. |
| Fan Power | For a 100 - TR square counter - flow tower, the fan power may be around 5 - 10 kilowatts (kW). For a 1000 - TR unit, it can be 50 - 100 kW. | Similar to square counter - flow. A 100 - TR round counter - flow tower may have a fan power of 5 - 10 kW, and a 1000 - TR unit can have 50 - 100 kW. | For a 100 - TR closed - circuit round counter - flow tower, the fan power may be 6 - 12 kW. For a 1000 - TR unit, it can be 60 - 120 kW. The closed - circuit design may require slightly more power for the fan due to the additional heat - exchanger resistance. |
| Material of Construction | The shell is often made of fiberglass - reinforced plastic (FRP), which provides good corrosion resistance. The fill material can be PVC or other heat - transfer - efficient materials. The frame may be made of steel with proper coating for corrosion protection. | Similar to square counter - flow. The shell is usually FRP, the fill is PVC or similar, and the frame is coated steel. | The outer shell is typically FRP. The closed - circuit heat exchanger can be made of copper, stainless steel, or other corrosion - resistant metals. The frame is steel with anti - corrosion treatment. |
| Dimensions | Dimensions vary based on the cooling capacity. A small 50 - TR square counter - flow tower may have dimensions of around 2m x 2m x 3m (length x width x height). A large 3000 - TR tower can be 20m x 20m x 10m or larger. | For a 50 - TR round counter - flow tower, the diameter may be around 2 - 3m and the height around 3 - 4m. A 3000 - TR round tower can have a diameter of 15 - 20m and a height of 8 - 12m. | A 100 - TR round closed - circuit counter - flow tower may have a diameter of 3 - 4m and a height of 4 - 5m. A 2000 - TR tower can have a diameter of 12 - 15m and a height of 8 - 10m. |
| Drift Loss | Usually less than 0.01% of the circulating water flow rate. Well - designed towers can achieve even lower drift losses, around 0.005%. | Similar to square counter - flow, with drift losses typically less than 0.01% of the water flow rate. | In closed - circuit towers, drift loss is almost negligible as the water is contained within the closed loop. |
| Make - up Water Requirement | Depends on the evaporation rate, drift loss, and blow - down. For a 100 - TR tower, the make - up water requirement may be around 1 - 3 m³/h. For a 1000 - TR tower, it can be 10 - 30 m³/h. | Similar to square counter - flow. A 100 - TR round counter - flow tower may require 1 - 3 m³/h of make - up water, and a 1000 - TR tower can need 10 - 30 m³/h. | The make - up water requirement for a closed - circuit tower is relatively low, mainly due to small leakage losses. For a 100 - TR tower, it may be 0.1 - 0.5 m³/h, and for a 1000 - TR tower, it can be 1 - 5 m³/h. |
1. Q: Are you Trading Company or Manufacturing Factory?
A: We are both manufacturer and trading company. We have our own factory for almost 40 years, and we have better service for overseas customers. Welcome to your inquiry!
2. Q: I am interested in your products, could I get sample for free?
A: We can supply a few pieces FREE samples if we have some in stock, and you only need to pay the freight cost. Welcome to send your inquiry for FREE samples!
3. Q: How about the Delivery time?
A: 7-15days after receiving the deposit based on the MOQ. Normally, 15-35days to finish the order for a 20ft container. Welcome to ask for the detailed delivery time according to your order quantity!
4. Q: How can you guarantee the product quality?
A: We have the quality control system ISO9001:2015, and it's been followed strictly. We also have the professional QC team,and each our package worker will be in charge of the final inspection according to the QC instruction before packing.
5. Q: What is about the payment terms.
A: Basically, the payment terms are T/T, L/C at sight. Western Union, Alipay.
6.Q: Can you do OEM for me?
A: We accept all OEM orders,just contact us and give me your design,we will offer you a reasonable price ASAP.
Purchasing Notes
1. If you knows little but only the volume or area of your warehouse, plant or workshop, like their length, width, height, please make sure that contact us in time. By doing so, our engineers can design the specifications and quantity of the product to your need.
2.If there is no specification parameter that required in the parameter table, please tell us your requirements and we will give you a satisfactory designing scheme.
3.If you have confirmed with our products, please place an order and then make payment. After that, we will arrange delivery as soon as possible. Without change to the order before our delivery, we will give you an exquisitely prepared present.
4.If there is any difficulty in transportation, please feel free to contact us and we will give you a satisfactory plan to save freight as much as possible.
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