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CDL vertical multistage centrifugal pump

GDL type vertical multistage pipeline centrifugal pump is a new generation product designed and manufactured by our company on the basis of better pump types abroad, combined with the user's requirements and fire related standards, and according to JB / tq6435-92 standard.

The suction and discharge ports of the water pump are in the same straight line. The rotor component is composed of shaft, impeller, impeller baffle sleeve, shaft sleeve and other parts. The water inlet section, middle section and outlet section are connected with tension bolts. The shaft seal adopts mechanical seal, lubricated and cooled by pressure water from balance chamber. It is the best pump type for conveying cold and hot water or similar physical and chemical properties to water and other liquids in various industries.

021-62586878

Product overview

The company has strong technical force, rich production experience and perfect detection means, so as to ensure the stability and reliability of product quality

working principle

When the motor drives the impeller on the shaft to rotate at a high speed, the liquid filled in the impeller is thrown from the center of the impeller along the flow passage between the blades to the periphery of the impeller under the action of centrifugal force. Due to the action of the blade, the pressure and speed of the liquid increase at the same time. After passing through the channel of the guide shell, it is directed to the secondary impeller. In this way, it flows through all impellers and guide shells step by step Increase the pressure energy of the liquid. After adding each impeller step by step, a certain head can be obtained.

GDL vertical multistage pipeline pump is a new pump type in 1990s. It has the advantages of energy saving, small floor area, convenient installation, stable performance, high quality stainless steel 1Cr18Ni9Ti for outer casing and wear-resistant mechanical seal for shaft seal, with no leakage and long service life. The axial force is solved by hydraulic balance, so the pump runs stably and has low noise. The installation condition is better than DL pump. It can be easily installed in the middle of any horizontal pipeline. It has high hydraulic efficiency, wide performance range, inlet and outlet diameter of 25-100 mm, flow rate of 2-72 tons per hour, lift of 25-150 meters, a total of 9 series and more than 70 specifications, which can fully meet the needs of water supply and drainage and fire-fighting facilities in high-rise buildings, deep mines, etc. it is a better pump type for conveying cold and hot water or general medium, physical and chemical properties similar to water and other liquids in major industries.

model	series	flow	lift	speed	Motor power	efficiency	NPSH required	weight
model	series	m3/h	M	r/min	kw	%	NPSH	KG
25GDL2-12	3	2	36	2900	1.1	30	2.9	58
25GDL2-12	4	2	48	2900	1.1	30	2.9	62
25GDL2-12	5	2	60	2900	2	30	2.9	68
25GDL2-12	6	2	72	2900	2	30	2.9	72
25GDL2-12	7	2	84	2900	2	30	2.9	78
25GDL2-12	8	2	96	2900	2.2	30	2.9	82
25GDL2-12	9	2	108	2900	2	30	2.9	86
25GDL2-12	10	2	120	2900	3	30	2.9	98
25GDL2-12	11	2	132	2900	3	30	2.9	102
25GDL2-12	12	2	144	2900	3	30	2.9	102
25GDL2-12	13	2	156	2900	4	30	2.9	110
25GDL2-12	14	2	168	2900	4	30	2.9	110
25GDL2-12	15	2	180	2900	4	30	2.9	110
model	series	flow	lift	speed	Motor power	efficiency	NPSH required	weight
model	series	m3/h	M	r/min	kw	%	NPSH	KG
25GDL4-11	3	4	33	2900	1.1	42	2.9	58
25GDL4-11	4	4	44	2900	1.5	42	2.9	65
25GDL4-11	5	4	55	2900	2.2	42	2.9	72
25GDL4-11	6	4	66	2900	2.2	42	2.9	76
25GDL4-11	7	4	77	2900	3	42	2.9	86
25GDL4-11	8	4	88	2900	3	42	2.9	90
25GDL4-11	9	4	99	2900	3	42	2.9	94
25GDL4-11	10	4	110	2900	4	42	2.9	110
25GDL4-11	11	4	121	2900	4	42	2.9	114
25GDL4-11	12	4	132	2900	4	42	2.9
25GDL4-11	13	4	143	2900	4	42	2.9
25GDL4-11	14	4	154	2900	5.5	42	2.9
25GDL4-11	15	4	165	2900	5.5	42	2.9
model	series	flow	lift	speed	Motor power	efficiency	NPSH required	weight
model	series	m3/h	M	r/min	kw	%	NPSH	KG
40GDL6-12	3	6	36	2900	1.5	52	2.9	72
40GDL6-12	4	6	48	2900	2.2	52	2.9	78
40GDL6-12	5	6	60	2900	2.2	52	2.9	82
40GDL6-12	6	6	72	2900	3	52	2.9	92
40GDL6-12	7	6	84	2900	3	52	2.9	96
40GDL6-12	8	6	96	2900	4	52	2.9	112
40GDL6-12	9	6	108	2900	4	52	2.9	116
40GDL6-12	10	6	120	2900	4	52	2.9	120
40GDL6-12	11	6	132	2900	5.5	52	2.9	140
40GDL6-12	12	6	144	2900	5.5	52	2.9
40GDL6-12	13	6	156	2900	7.5	52	2.9
40GDL6-12	14	6	168	2900	7.5	52	2.9
40GDL6-12	15	6	180	2900	7.5	52	2.9
model	series	flow	lift	speed	Motor power	efficiency	NPSH required	weight
model	series	m3/h	M	r/min	kw	%	NPSH	KG
50GDL12-15	2	12	30	2900	2.2	57	3.5	113
50GDL12-15	3	12	45	2900	3	57	3.5	129
50GDL12-15	4	12	60	2900	4	57	3.5	149
50GDL12-15	5	12	75	2900	5.5	57	3.5	181
50GDL12-15	6	12	90	2900	5.5	57	3.5	190
50GDL12-15	7	12	105	2900	7.5	57	3.5	204
50GDL12-15	8	12	120	2900	7.5	57	3.5	212
50GDL12-15	9	12	135	2900	11	57	3.5	265
50GDL12-15	10	12	150	2900	11	57	3.5	273
model	series	flow	lift	speed	Motor power	efficiency	NPSH required	weight
model	series	m3/h	M	r/min	kw	%	NPSH	KG
50GDL12-25	1	12	25	2900	2.2	57	3.5	105
50GDL12-25	2	12	50	2900	4	57	3.5	119
50GDL12-25	3	12	75	2900	5.5	57	3.5	138
50GDL12-25	4	12	100	2900	7.5	57	3.5	157
50GDL12-25	5	12	125	2900	11	57	3.5	184
50GDL12-25	6	12	150	2900	11	57	3.5	191
50GDL12-25	7	12	175	2900	15	57	3.5	210
50GDL12-25	8	12	200	2900	15	57	3.5	229
model	series	flow	lift	speed	Motor power	efficiency	NPSH required	weight
model	series	m3/h	M	r/min	kw	%	NPSH	KG
50GDL18-15	2	18	30	2900	3	63	4	122
50GDL18-15	3	18	45	2900	4	63	4	142
50GDL18-15	4	18	60	2900	5.5	63	4	175
50GDL18-15	5	18	75	2900	7.5	63	4	189
50GDL18-15	6	18	90	2900	7.5	63	4	198
50GDL18-15	7	18	105	2900	11	63	4	252
50GDL18-15	8	18	120	2900	11	63	4	261
50GDL18-15	9	18	135	2900	15	63	4	280
50GDL18-15	10	18	150	2900	15	63	4	289
model	series	flow	lift	speed	Motor power	efficiency	NPSH required	weight
model	series	m3/h	M	r/min	kw	%	NPSH	KG
50GDL18-24	1	18	24	2900	3	63	4	122
50GDL18-24	2	18	48	2900	4	63	4	142
50GDL18-24	3	18	72	2900	7.5	63	4	175
50GDL18-24	4	18	96	2900	11	63	4	230
50GDL18-24	5	18	120	2900	11	63	4	247
50GDL18-24	6	18	144	2900	15	63	4	265
50GDL18-24	7	18	168	2900	18.5	63	4	274
50GDL18-24	8	18	192	2900	22	63	4	301
model	series	flow	lift	speed	Motor power	efficiency	NPSH required	weight
model	series	m3/h	M	r/min	kw	%	NPSH	KG
65GDL24-12	2	24	24	2900	3	63	4	122
65GDL24-12	3	24	36	2900	4	63	4	142
65GDL24-12	4	24	48	2900	5.5	63	4	175
65GDL24-12	5	24	60	2900	7.5	63	4	189
65GDL24-12	6	24	72	2900	7.5	63	4	252
65GDL24-12	7	24	84	2900	11	63	4	261
65GDL24-12	8	24	96	2900	11	63	4	280
65GDL24-12	9	24	108	2900	15	63	4	289
65GDL24-12	10	24	120	2900	15	63	4	298
65GDL24-12	11	24	132	2900	15	63	4	317
65GDL24-12	12	24	144	2900	18.5	63	4	346
model	series	flow	lift	speed	Motor power	efficiency	NPSH required	weight
model	series	m3/h	M	r/min	kw	%	NPSH	KG
65GDL24-24	1	24	24	2900	3	63	4	122
65GDL24-24	2	24	48	2900	5.5	63	4	175
65GDL24-24	3	24	72	2900	7.5	63	4	189
65GDL24-24	4	24	96	2900	11	63	4	262
65GDL24-24	5	24	120	2900	15	63	4	317
65GDL24-24	6	24	144	2900	18.5	63	4	346
model	series	flow	lift	speed	Motor power	efficiency	NPSH required	weight
model	series	m3/h	M	r/min	kw	%	NPSH	KG
80GDL36-12	2	36	24	2900	4	71	4.2	193
80GDL36-12	3	36	36	2900	5.5	71	4.2	227
80GDL36-12	4	36	48	2900	7.5	71	4.2	244
80GDL36-12	5	36	60	2900	11	71	4.2	292
80GDL36-12	6	36	72	2900	11	71	4.2	302
80GDL36-12	7	36	84	2900	15	71	4.2	322
80GDL36-12	8	36	96	2900	15	71	4.2	332
80GDL36-12	9	36	108	2900	18.5	71	4.2	365
80GDL36-12	10	36	120	2900	18.5	71	4.2	375
model	series	flow	lift	speed	Motor power	efficiency	NPSH required	weight
model	series	m3/h	M	r/min	kw	%	NPSH	KG
80GDL36-24	1	36	24	2900	4	71	4.2	193
80GDL36-24	2	36	48	2900	7.5	71	4.2	193
80GDL36-24	3	36	72	2900	11	71	4.2	227
80GDL36-24	4	36	96	2900	15	71	4.2	244
80GDL36-24	5	36	120	2900	18.5	71	4.2	292
model	series	flow	lift	speed	Motor power	efficiency	NPSH required	weight
model	series	m3/h	M	r/min	kw	%	NPSH	KG
80GDL54-14	2	54	28	2900	7.5	73	4	218
80GDL54-14	3	54	42	2900	11	73	4	267
80GDL54-14	4	54	56	2900	15	73	4	287
80GDL54-14	5	54	70	2900	18.5	73	4	320
80GDL54-14	6	54	84	2900	18.5	73	4	330
80GDL54-14	7	54	98	2900	22	73	4	373
80GDL54-14	8	54	112	2900	30	73	4	400

80GDL54-14	9	54	126	2900	30	73	4	421
80GDL54-14	10	54	140	2900	37	73	4	432
model	series	flow	lift	speed	Motor power	efficiency	NPSH required	weight
		m3/h	M	r/min	kw	%	NPSH	KG
80GDL54-28	1	54	28	2900	7.5	73	4	218
80GDL54-28	2	54	56	2900	15	73	4	287
80GDL54-28	3	54	84	2900	18.5	73	4	320
80GDL54-28	4	54	112	2900	30	73	4	453
80GDL54-28	5	54	140	2900	37	73	4	493
model	series	flow	lift	speed	Motor power	efficiency	NPSH required	weight
		m3/h	M	r/min	kw	%	NPSH	KG
100GDL72-14	2	72	28	2900	11	73	4.5	276
100GDL72-14	3	72	42	2900	15	73	4.5	298
100GDL72-14	4	72	56	2900	18.5	73	4.5	336
100GDL72-14	5	72	70	2900	22	73	4.5	381
100GDL72-14	6	72	84	2900	30	73	4.5	453
100GDL72-14	7	72	98	2900	30	73	4.5	466
100GDL72-14	8	72	112	2900	37	73	4.5	493
100GDL72-14	9	72	126	2900	37	73	4.5	582
100GDL72-14	10	72	140	2900	45	73	4.5	595
model	series	flow	lift	speed	Motor power	efficiency	NPSH required	weight
		m3/h	M	r/min	kw	%	NPSH	KG
100GDL72-28	1	72	28	2900	11	73	4.5	276
100GDL72-28	2	72	56	2900	18.5	73	4.5	336
100GDL72-28	3	72	84	2900	30	73	4.5	453
100GDL72-28	4	72	112	2900	37	73	4.5	582
100GDL72-28	5	72	140	2900	45	73	4.5	595
model	series	flow	lift	speed	Motor power	efficiency	NPSH required	weight
		m3/h	M	r/min	kw	%	NPSH	KG
100GDL100-30	1	100	30	2900	18.5	73	4.5	336
100GDL100-30	2	100	60	2900	30	73	4.5	453
100GDL100-30	3	100	90	2900	37	73	4.5	493
100GDL100-30	4	100	120	2900	55	73	4.5	640
100GDL100-30	5	100	150	2900	75	73	4.5	840
100GDL100-30	6	100	180	2900	75	73	4.5	855
100GDL100-30	7	100	210	2900	90	73	4.5	870
model	series	flow	lift	speed	Motor power	efficiency	NPSH required	weight
		m3/h	M	r/min	kw	%	NPSH	KG
125GDL100-20	2	108	40	2900	18.5	74	4.5	292
125GDL100-20	3	108	60	2900	30	74	4.5	430
125GDL100-20	4	108	80	2900	37	74	4.5	463
125GDL100-20	5	108	100	2900	45	74	4.5	555
125GDL100-20	6	108	120	2900	55	74	4.5	640
125GDL100-20	7	108	140	2900	75	74	4.5	840
125GDL100-20	8	108	160	2900	75	74	4.5	855
125GDL100-20	9	108	180	2900	90	74	4.5	870
125GDL100-20	10	108	200	2900	90	74	4.5	955
model	series	flow	lift	speed	Motor power	efficiency	NPSH required	weight
		m3/h	M	r/min	kw	%	NPSH	KG
125GDL100-30	1	100	30	2900	18.5	74	4.5	336
125GDL100-30	2	100	60	2900	30	74	4.5	453
125GDL100-30	3	100	90	2900	37	74	4.5	493
125GDL100-30	4	100	120	2900	55	74	4.5	640
125GDL100-30	5	100	150	2900	75	74	4.5	840
125GDL100-30	6	100	180	2900	75	74	4.5	855
125GDL100-30	7	100	210	2900	90	74	4.5	870
model	series	flow	lift	speed	Motor power	efficiency	NPSH required	weight
		m3/h	M	r/min	kw	%	NPSH	KG
150GDL160-20	2	160	40	2900	30	78	4.5	422
150GDL160-20	3	160	60	2900	37	78	4.5	452
150GDL160-20	4	160	80	2900	55	78	4.5	613
150GDL160-20	5	160	100	2900	75	78	4.5	820
150GDL160-20	6	160	120	2900	75	78	4.5	836
150GDL160-20	7	160	140	2900	90	78	4.5	922
model	series	flow	lift	speed	Motor power	efficiency	NPSH required	weight
		m3/h	M	r/min	kw	%	NPSH	KG
150GDL160-30	1	160	30	2900	30	78	4.5	422
150GDL160-30	2	160	60	2900	37	78	4.5	452
150GDL160-30	3	160	90	2900	55	78	4.5	613
150GDL160-30	4	160	120	2900	75	78	4.5	820
150GDL160-30	5	160	150	2900	90	78	4.5	922
150GDL160-30	6	160	180	2900	110	78	4.5	1210
150GDL160-30	7	160	210	2900	132	78	4.5	1360

Water supply: filtration and transportation in water plant, water supply in different areas, pressurization in main pipes and pressurization in high-rise buildings.

Industrial pressurization: process water system, cleaning system, high pressure flushing system, fire protection system.

Industrial liquid transportation: cooling and air conditioning system, boiler feed water and condensation system, machine tools, acid and alkaline medium transportation.

Water treatment: ultrafiltration system, reverse osmosis system, distillation system, separator and water treatment system of swimming pool.

Irrigation: farmland irrigation, sprinkler irrigation, drip irrigation.