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『Calculation formula for flow rate of fish tank water pump』Related information(clamp on meter|electromagnetic meter|venturi meterrotameter|orifice meter|ultrasonic flow meter|mass flow meter|coriolis mass flow meter|coriolis flow meter|magnetic flow meter|magmeter flow meter|magflow flow meter|mag meter flow meter|electromagnetic flow meter|vortex flow meter|turbine flow meter|thermal mass flow meter|thermal flow meter|rotameter flow meter)
1. What size of water pump should be used for a fish tank with a length of 40, width of 23, and height of 28?
When selecting a water pump for a fish tank, it is necessary to consider the volume, flow rate requirements, and actual scene. For a fish tank with a size of 40 × 23 × 28cm, it is recommended to choose a water pump with a flow rate of 2-44L/h, which needs to be adjusted according to the filtration type, feeding density, etc.
1. Calculate the volume of the fish tank and the range of the basic flow rate.
Volume calculation: Fish tank volume=length × width × height (unit: cm) ÷ 1000=40 × 23 × 28 ÷ 1000 ≈ 25.76L (note: the actual water level should be lower than the tank mouth, with a volume of about 22-24L)2. Flow principle: The water pump flow rate usually needs to reach 1-2 times the fish tank volume per hour (i.e. 22-48L/h). If it is bottom filtration/drip filtration, it can be appropriately increased to 2-3 times (4-72L/h), but it is necessary to avoid excessive water flow that affects fish.
2. Selection of Water Pumps for Different Scenarios Reference 1 Ordinary upper filter/external filter: It is recommended to choose a water pump with a flow rate of 25-35L/h (such as a small submersible pump), which can balance filtration efficiency and water flow mildness. 2. Bottom filter/drip filter: A water pump with a flow rate of 4-60L/h can be selected, which needs to be matched with a reasonable pipeline to reduce water flow impact. 3. Water grass tank/small fish feeding: Priority should be given to a flow rate of 20-30L/h to avoid water flow disturbance to water grass or startling small fish such as lanternfish and catfish.
III. Additional Precautions 1 Head matching: The he
2. Mute requirements: Choose a water pump with anti pants, coarse vibration foot pads, and ceramic shafts to avoid noise affecting daily life
3. Brand reference Hu Zhen: Consider aquarium specific water pumps such as Sensen, Jiabao, and Chuangning, and confirm that the flow labeling is consistent with the actual water output.
What size of fish tank is a 2.15W water pump suitable for?
A 15W water pump is suitable for medium-sized fish tanks ranging from 120 to 240 liters, and specific matching needs to be based on flow parameters and feeding requirements.
.1. Core Matching Principle 1. Flow Calculation Standard: It is recommended that the pump flow rate reach 5-10 times the total water volume of the fish tank per hour.
. The typical flow range of a 15W water pump is 1000-1500L/H (liters/hour). According to this calculation:(1) 1000L/H ÷ 10=100 liters (minimum applicable)
(2) 1500L/H ÷ 5=300 liters (maximum applicable)
(3) In actual operation, taking the middle value of 120-240 liters is more reliable
2. The influence of feeding density
(1) For large fish such as goldfish and koi: choose the upper limit flow rate (10 times), such as a 240L tank that requires a flow rate of 1500L/H. (2) Small tropical fish: The lower limit flow rate (5-7 times) can be taken, and 1000L/H is sufficient for a 120 liter cylinder.
2. Key selection elements: 1. Head loss correction
(1) The nominal flo