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        Products
        55kWFlame-proof Sewage & Desilting Submersible Electric Pump for Mine

        ĦïProduct introduction

        BQS flame-proof sewage & desilting submersible electric pump for mine is jointly developed by our company and Jiangsu University. There are complete product specifications with power ranging from 2.2kW to 315kW, flow ranging from 10m³/h to 2500m³/h and head varying from 7m to 700m, and all products are non-overload. Our company insists on continuous technological innovation to solve kinds of key technical problems of sewage & desilting submersible electric pump such as product structure, parameter optimization, manufacturing process, operating efficiency, sealing, material application, etc.. Our company has over twenty patented techniques, applies several latest research achievements, and forms the mature motor and electric pump manufacturing process. Compared with domestic similar products, this pump has the benefit of safety, reliability, lightweight, utility, good sewage & desilting capacity, long service life, reasonable spectrum, convenient model selection, etc.

        ĦïSignificant features
        ĦĦModel selection: performance optimization, double flow passage impeller, stable operation, no plugging, good transport capacity, and non-overload characteristic, i.e. the input power is less than the matched motor power at any operating point.
        ĦĦMechanical seal improvement: independent tandem mechanical seal and double-end face mechanical seal.
        ĦĦStructure optimization: the structural design is in favor of the tightness of mechanical seal, stable operation, and higher reliability; with optimization design, the pump becomes more lightweight and practical
        ĦĦIPĦÁ8 motor protection grade, good cooling effect of submersible motor, lower temperature rise than ordinary motor, further increased durability, longer service life of motor brought by Class F insulation.

        ĦïMain application:
        ĦĦThe product is appropriate in coal mines for workplace containing methane(commonly known as mashgas) and coal dust with the risk of explosion, and is used to deliver mixed sewage containing sediment, coal gangue, coal cinder, fibers, etc.. Wastewater, rainwater and sewage containing solid particles and continuous fibers from various occasions such as petrochemical industry, buildings, hospitals, residence communities, municipal engineering, road transportation as well as their construction, factory sewerage, small-scale effluent treatment project, etc. are also suitable to be discharged by this product.

        ĦïWork condition:
        ĦĦ1. Voltage; 380V, 660V or 1140V, 3-phase, 50HZ
        ĦĦ2. Media temperature below 40Ħĉ, PH 5-9, media absolute density ĦÜ11kN/m³
        ĦĦ3. Diameter of the solids in the media up to the provision of MT/T671-2005, special requirements stated with order please

        ĦïComponents of model and corresponding meaning:

        ĦĦParameters£ş

        Model
        Flow
        (m3/h)
        Lift
        (m)
        Matching power
        (kW)
        Current
        (V)
        Efficiency
        (A)
        Synchronous Speed
        (r/min)
        Electric pump efficiency
        (%)
        Through the particle diameter
        (mm)
        BQS(BQW)50-170/3-55/N
        50
        170
        55
        380 or 660 or 1140
        107.3 or 61.95 or 35.77
        3000
        40.5
        10
        BQS(BQW)70-130/2-55/N
        70
        130
        42.6
        BQS(BQW)85-100-55/N
        85
        100
        43.8
        BQS(BQW)120-80-55/N
        120
        80
        46.7
        BQS(BQW)150-70-55/N
        150
        70
        50.4
        BQS(BQW)200-60-55/N
        200
        60
        53.8
        BQS(BQW)240-30-55/N
        240
        30
        53.6
        BQS(BQW)400-20-55/N
        400
        25
        57.5

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