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High-pressure coal injection pump 2BZ, 5BZ pump with a good injection pump coal injection pump, 3BZ mining seam injection pump, plunger pump, 3BZ2.4 / 20-15 coal injection pump, coal injection pump model, coal injection pump manufacturers 3BZ mine BZ coal seam water injection (emulsion) pump is mainly used in the coal seam in the coal mine water injection, water injection to make the coal to keep moist, the discharge of gas to avoid the dust raised on the construction environment and production safety Greater improvement and improvement. The main components are high-pressure water pump, explosion-proof motor, stainless steel relief valve, base and so on. High pressure pump with wetting lubrication crankshaft rotation, no wear ceramic plunger, forged brass pump and stainless steel valve. Relief valve used in fixed displacement automatic pressure control system, when the pressure line is completely closed, the pump can be pressure relief operation, automatic unloading, no-load operation, but also to make the pump overflow in low pressure operation, both Save power can also extend the life of the pump continuous 24 hours a day without interruption. With light, compact, easy to move, long life and energy saving advantages; pumpable water, emulsion, suitable for water injection, underground hydraulic prop for liquid. Parameter Name Model 3BZ 2.4 / 20-15 Inlet pressure Atmospheric pressure Rated pressure 20 MPa Rated flow 40 (2.4m3 / h) L / min Crankshaft speed 1450 r / min Plunger diameter 24mm Number of plungers 3 Plunger stroke 21 mm Motor Speed ​​1450r / min Motor power 15 KW Operating voltage 380/660/1140 V Safety valve factory set pressure 23-25 ​​MPa Weight 260 kg Dimensions (L × B × H) 1100 × 600 × 700 mm Water tank capacity 640 L