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DL type vertical multistage centrifugal pump

DL series vertical multistage centrifugal pump features:

1. Advanced hydraulic model: high efficiency, wide range of performance.

2. New structure and reliable operation: the balance drum is cancelled, and the axial force of the balance drum is hydraulically balanced, which completely solves the problems of easy corrosion, seizure and wear of the balance drum, and ensures more reliable operation.

3. Less operation and maintenance costs: the use of high-quality mechanical seal, wear-resistant, no leakage, long service life, low failure rate, with less operation and maintenance costs.

4. Stable operation, low noise: low speed motor is used to make the pump run smoothly with lower noise.

5. Vertical structure, small floor area.

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1、 Product overview of DL series vertical multistage centrifugal pump:

DL vertical multi-stage centrifugal pump is a hydraulic model of is type pump which is a high-efficiency and energy-saving product recommended by the state. The screw clamps the water inlet section, middle section and outlet section into a whole. Each stage of the pump is equipped with an impeller and a guide vane. The axial force is solved by hydraulic balance method, and the residual axial force is borne by ball bearing and lubricated with grease. The shaft seal adopts soft packing or mechanical seal. The products comply with JB / t2727-93 type and basic parameters of vertical multistage centrifugal pump. It is mainly used for pumping diluted, clean, non corrosive, non explosive water and liquid without solid particles or fiber whose physical and chemical properties are similar to water.

DL vertical multi-stage centrifugal pump is designed and optimized by computer. The company has strong technical force, rich production experience and perfect detection means, so as to ensure the stability and reliability of product quality.

2、 Application scope of DL series vertical multistage centrifugal pump:

It is widely used in high-rise building fire protection, domestic water supply, air conditioning unit circulation, cooling water transmission.

3、 DL series vertical multistage centrifugal pump features:

1. Advanced hydraulic model: high efficiency, wide range of performance.

3. Less operation and maintenance costs: the use of high-quality mechanical seal, wear-resistant, no leakage, long service life, low failure rate, with less operation and maintenance costs.

4. Stable operation, low noise: low speed motor is used to make the pump run smoothly with lower noise.

5. Vertical structure, small floor area.

4、 Technical parameters of DL series vertical multistage centrifugal pump:

Flow rate: 4.2-504m3/h;

Lift: 24-240m;

Power: 1.5-450kw;

Speed: 1480r / min;

Diameter: φ 40 - φ 250;

Temperature range: 0 - + 90 ℃;

Working pressure: ≤ 2.4Mpa.

5、 DL series vertical multistage centrifugal pump model meaning:

model	Series	caliber (mm)	flow (m3/h)	lift (m)	power (KW)	speed (r/min)	NPSH (m)
40DL(DLS)6-12	2	40	6	24	1.5	1480	3.2
	3			36	2.2
	4			48	3
	5			60	4
	6			72	4
	7			84	5.5
	8			96	5.5
	9			108	7.5
	10			120	7.5
	11			132	7.5
	12			144	11
50DL(DLS)12.5-12.5	2	50	12.5	25	3	1480	2.2
	3			3.75	3
	4			50	4
	5			62.5	5.5
	6			75	7.5
	7			87.5	7.5
	8			100	7.5
	9			112.5	11
	10			125	11
65DL(DLS)30-15	2	65	30	30	5.5	1480	2.82
	3			45	7.5
	4			60	11
	5			75	15
	6			90	15
	7			105	18.5
	8			120	22
	9			135	22
	10			150	30
80DL(DLS)50-20	2	80	50	40	11	1480	2.2
	3			60	15
	4			80	22
	5			100	30
	6			120	3.
	7			140	37
	8			160	45
	9			180	45
	10			200	55
100DL(DLS)72-20	2	100	72	40	15	1480	2.8
	3			60	18.5
	4			80	30
	5			100	37
	6			120	37
	7			140	45
	8			160	55
	9			180	55
	10			200	75
100DL(DLS)100-20	2	100	100	40	18.5	1480	2.8
	3			60	30
	4			80	37
	5			100	45
	6			120	55
	7			140	75
	8			160	75
	9			180	90
	10			200	90
150DL(DLS)150-20	2	150	150	40	30	1480	2.8
	3			60	37
	4			80	45
	5			100	55
	6			120	75
	7			140	90
	8			160	90
	9			180	110
	10			200	132
150DL(DLS)165-20	2	150	160	50	37	1480	3.5
	3			75	55
	4			100	75
	5			125	90
	6			150	110
	7			175	132
	8			200	132
	9			225	160
	10			250	160
150DL(DLS)200-20	2	150	200	40	37	1480	3.5
	3			60	55
	4			80	73
	5			100	90
	6			120	110
	7			140	110
	8			160	132
200DL(DLS)300-20	2	200	300	40	55	1480	5
	3			60	75
	4			80	110
	5			100	132
	6			120	160
	7			140	160
	8			160	200

Application scope of DL series vertical multistage centrifugal pump:

It is widely used in high-rise building fire protection, domestic water supply, air conditioning unit circulation, cooling water transmission.

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