1, why should fully understand the media situation? Different media, PH value is different, corrosive different. According to the chemical performance control select the appropriate hose and nozzle plug. 2, why the hose peristaltic pump has intermittent operation and continuous operation of the points? Continuous operation of the rubber hose will accelerate fatigue, running time to help us understand the hose life or have a chance to choose a smaller pump intermittent operation and continuous operation how to define? Run for more than an hour an hour is intermittent operation. Running one hour or less for one hour or less belongs to continuous operation. 3, why do you want to understand the medium temperature? Operating at high temperatures accelerates hose fatigue and aging. As the temperature increases, the hose pump speed to reduce. Hoses of different materials, the temperature limits are as follows: Natural rubber hose (NR): 80 ℃ EPDM hose (EPDM): 100 ℃ Nitrile rubber hose including food grade (NBR): 80 ℃ Shanghai Paalone Rubber hose (HYM): 80 ℃ 4, hose pump flow depends on what is it? a) hose lumen capacity b) pump rotation speed c) the operating environment of the pump self-absorption capacity has a lot of restrictions of course the same flow we can choose a few pump so we also have to consider some of the user's factors : The relationship between initial investment and long-term operating costs 5, the pressure and flow Why exactly match the actual customer? Flow rate can set the pump rotation speed, according to customer needs to set the pump pressure (maximum 16Bar). Select the pump type, determine the net power, installed power. 6, the length of the inlet pipe and outlet pipe length, the viscosity of the liquid is how much? What is the role of this information? Determine the driving force and friction loss Determine the friction loss of the need for auxiliary vacuum device? 7, What kind of material nozzle connection? Sanitary grade 316 stainless steel is commonly used and PP and PVDF are also available. Flange standard DN16, ANSI, JIS.
AY,AYP type double stage centrifugal pump
Double Stage Centrifugal Pump,High-Pressure Double Stage Centrifugal Pump
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