Horizontal pipeline pump selection to determine the steps and parameters

Horizontal pipeline pump adopts domestic general centrifugal pump performance parameters, on its own research and development of a new generation of energy-saving, environmental protection horizontal single-stage single-suction centrifugal pump, the pump performance, high reliability, long service life, reasonable structure, beautiful shape, with industry leading level. Horizontal pipeline pump selection basis, should determine the purpose of water supply, the craft material, flow parameters such as lift factors.

you need horizontal pipeline pump can be used in building water pressure, pressure can also be used in industry field. Pipeline pressurization pump selection of centrifugal pump in the construction field, Pipeline pump is a kind of centrifugal pump) : industrial sectors to choose according to actual circumstances, if you need a lot of pressure but little traffic, can choose the gear pump or hydraulic test pump, paste body transport needs to choose the diaphragm pump, or other purposes such as conveying flow liquid cooling water, such as the still choose centrifugal pump. For a wide range of centrifugal pipeline pump selection, is the general process steps. Specific as follows:

1, clear the current situation of water supply

if the industrial water supply, regardless of the municipal water supply situation; If it is a life class building water supply, first determine your site of municipal water supply situation this is key, because we want to know whether you here straight fit for or a pool of water after the secondary water supply. Need to know the site condition: municipal feed pipe specification size, the water pressure value ( Water pressure to the floor height) , such as municipal water supply is stable.

2, determine the horizontal pipeline pump need maximum flow rate Q

flow is the maximum number of units per hour need to transport, usually tons/hour or litres/minute. Determine the flow, according to the maximum possible maximum flow to budget, or you may file a flux is not enough now. Industrial production class pressurization, must be provided by using the flow value, because they do not have a standard industrial flow calculation formula; Life class water generally experienced people can probably largest water consumption to estimate for the hour, if you don't have any experience, you calculate flow method is to make our best to assist, but we need to know about an important parameter to determine the equivalent water: such as number, the number of the hotel room, toilet, toilet squat toilet number, bath tap number, etc. Sure good corresponding water quantity, and then according to the formula of flow Q { 【 The correspondence quality number x corresponding properties in the use of water equivalent 】 The present water total time} X hours change coefficient can compute the maximum rated flow we need.

3, identify the highest head or maximum horizontal pipeline water pump pressure

first clear a concept, that is the pump head and the water pump can produce pressure is can according to the rate of fixed into the mutual conversion. 1 mpa = 10公斤/厘米吗? ( Often said that 10 kg pressure) = 10 kilograms force/cm? ( Often said that 10 kilograms of pressure) = 100 m lift. Need to how much pressure directly according to the corresponding head choose corresponding pressure flow will be enough to lift or not enough pressure is also vain. Use for industrial water, must submit the required pressure value on its own, because no professional company can cover the industry of industrial water pressure; Class building water supply and life is different, can be calculated according to the existing condition of the users, we need to know the total floor height, the floor height of the current municipal water to the total length, pipe network and a right-angle bend number, etc. Determine the several conditions, we can accurately calculate file head. General formula of pipeline pump is the total number of floors by single floor height H + per 100 m horizontal tube loss 5 m + 1 meter per 1 right-angle bend loss and if it is water, minus the height of the water pressure to at present. For instance you according to the formula to calculate the total head of 100 meters, and the water can to 20 meters high, so you just need to choose 80 m head of water supply for the straight.

4, determine the type of horizontal pipeline water pump

some occasions may better horizontal water pump, such as more general industrial production field with horizontal single pump, horizontal pump generally smaller, and large flow, lift the relatively low at present basically with stainless steel vertical pump of water supply in the construction field, mainly the effects of parameters such as efficiency, health and head. Need to small capacity low head choose horizontal single stage or multistage stainless steel series products. Need high lift preference vertical multistage centrifugal pump series products. Capacity big head is not high also choose vertical single-stage pipeline centrifugal pump. Of course, the type of pump is need certain experience. No experience of selected by intuition pump type is not necessarily the best.

5, determine the horizontal pipeline pump material

material is generally three: cast iron, stainless steel ( 304/316/316L) And composite materials. General water supply areas here do not hesitate to choose 304 stainless steel, industrial production field to choose according to actual demand, the general water can choose cast iron pump, if according to the corrosion properties of corrosive select stainless steel or other composite materials.

how do you like what type of products are suitable for you, with two or three steps above calculated maximum flow Q and the maximum lift H to the rated flow and rated head of corresponding products. Note sure you want to select a product rated flow and rated head, otherwise the high peak water when the water pressure is not enough. Horizontal pipeline pump selection often involves a lot of professional knowledge and industry experience, for experienced professionals, selection of accurate and fast, the general quotation for selection is a few minutes.

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