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Model Description: For example: AT 300 QJR 200 -240/10 AT: abbreviation of Chinese Aote (Enterprise Standard) 300: minimum well inner diameter Q: submersible J: for well use R: for hot water use 200: flow capacity 200m3/h 240: head 240m 10: ten-stage impellers connection Note: This sample covers all our recommended models of enterprise standard, meanwhile we are available from stock for all the models of the national standard. Materials: Impeller: Cast iron HT200, or tin bronze, such as ZCuSn3Zn8Pb6Ni1 Pump bowl: Cast iron HT200, or stainless steel, such as 2Gr13 .304 Pump shaft: Cold-drawn steel with chrome plating, or stainless steel 2Gr13 (1050°Cthermal refining, enhance tensional moment) Motor Seal: Rubber O-ring seal, mechanical seal Motor regulating sleeve: Rubber Advantages: a. It can pump hot water within 125°C. b. It can be horizontally used (while the service life will lessen 40% than that of vertical use). c. Easy installation. d. Air-free design, avoiding the trouble of pump priming. e. The motor is water lubricated by water. With hydrocooling and high-temperature water-proof wire, so that it do not pollute water. f. No need to build pump room. g. Stable operation and low noise. Technical parameters: Max. Outer diameter: 281mm Outlet diameter: 150mm,200mm Outlet flange parameter: 8 M16×65 threaded studs, center distance: 210mm In order to facilitate your specific product requirements, we make the following form of technical parameters.(Note: only includes part of this type of products)ItemTypeAT300QJRFlow ratem³HeadmPowerkwOuter diametermmOutlet diameterCable cross sectional areamm2HeightmmWeightKg1AT300QJR160-432/161604323503606’’150×2570515152AT300QJR180-416/161804163503606’’150×2570515153AT300QJR200-384/162003843503606’’150×2570515154AT300QJR220-352/162203523503606’’150×2570515155AT300QJR240-304/162403043503606’’150×2570515156AT300QJR280-306/92803064103608’’150×2502014967AT300QJR320-279/9320279 410 360 8’’ 150×2 502014968AT300QJR370-234/9370234410 360 8’’ 150×2 50201496Power: Voltage: 380v/660v±5 Frequency: 50 HZ /60 HZ±1 If you have some special requirements, please indicate in the Technology agreement. Notes: We can provide you the suitable products if the actual working condition, the voltage or the frequency is not consistent with above specifications. Applications: a. Collecting and reusing boiler hot water. b. Collecting and reusing the leaking water of heating pipelines in winter. c. Factory hot water heat dissipation and reuse. d. Pumping high temperature water in the heat-supply network groove. E. Suitable for heat-supply equipment maintenance. F. Suitable for bath center hot water supply. g. Lifting underground hot spring watered. Corrosion-inhibiting Coating: If used in high temperature situation: 1) Changing material such as stainless steel, tin bronze, etc. 2) Brushing corrosion-inhibiting coating to prolong the service life if corroded not badly. Supplies: one outlet companion flange, one gasket seal, one instruction, one guarantee card,One certification, one wooden case.