CHINA FACTORY HORIZONTAL MULTISTAGE CENTRIFUGAL PUMP D, DF, DY, MD,PUMPS FOR TRANSPORTING HOT WATER, CLEAN WATER, OILS, AGGRESSIVE OR ABRASIVE MEDIA

Product name : CHINA FACTORY HORIZONTAL MULTISTAGE CENTRIFUGAL PUMP D, DF, DY, MD,PUMPS FOR TRANSPORTING HOT WATER, CLEAN WATER, OILS, AGGRESSIVE OR ABRASIVE MEDIA

Product No. : 202241814237

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GENERAL APPLICATIONS:

This series of horizontal multi- stage centrifugal pump adopted optimized hydraulic model. the pump is efficient ,and durable with low noise ,easy maintenance and wide scope of usages

This pump is widely used to deliver water without solid particles and suspended matter, or other liquid similarly. It could deliver hot oil, corrosive liquid by changing the material of flow passage parts.

The max. inlet pressure should not exceed 0.6MPa.

Horizontal multi-stage centrifugal pumps can be divided into the following types according to the scope of using:

D series: Used for transmission of water without solid particles and temperature below 80℃, or similar liquid.

DF series: Used for transmission of corrosive liquid with temperature range of -20·c – 105℃ and non-solid particles.

DY series: Used for transmission of non-solid oily liquid and petroleum product with temperature range of -20℃ – 105℃ and viscosity less than 120 cSt.

MD series: Used for transmission of neutral water from mining well or other similar liquid. The density and size of particles of the sewage should be less than 1.5% and 0.5mm respectively. The temperature range of the -20-80℃

MODEL DESCRIPTION

For example:D (DF 、 DY、 MD) 450- 60 X 5

D：Multi-stage for centrifugal pump
DF：Corrosion-resistant multi-stage centrifugal pump
DY：Multi-stage centrifugal oil pump
MD：Wear-resistant multi-stage centrifugal pump
450：Rate flow capacity is 450 m3/h
60：Rate delivery head is 60m (single stage)
5：5 stage

PERFORMANCE RANGE

D, DF, DY, MD-type pump has the same performance parameters and installation size

Inlet and outlet diameter of the pump: 40 -300mm

Flow Q = 3.75- 850m3/h

Head H= 19-816 m

FEATURES

D, DF, DY, MD series single suction multi-stage centrifugal pump have the structure feature of horizontal inlet and vertical discharge. The segments of suction, middle, discharging are connected by several bolt.
The rotor of the pump is mainly composed of shaft and impeller, shaft sleeve and balancing plate. which are balanced and connected to the shaft by straight key and shaft nut. the whole rotor is supported by anti-friction bearing or sliding bearing which varied according to certain situation. the bearing does not sustain any axial force. since the balance disc abandoned.
Fluid sealants or O-ring sealing is set between sealing surfaces of segments of inlet, middle, and discharging, while sealing ring and guide vane are set between rotor and stator. The sealing ring and guide vane are advised to be replaced when they decrease the pumping efficiency
Mechanical sealing and packing sealing are two options, in which tightness of material shall be filled properly to reach a performance of drop by drop leaking. All sealing parts are integrated in sealing housing which is under pressure of water used for water sealing, cooling and lubricating. A replaceable shaft sleeve is necessary to protect the shaft.
The rotor of the pump is allowed to swing during operation axially. This series of pump often integrates with anti-friction bearing and grease lubricating construction. (D 85- 67 and D155-67 models however can adopt sliding bearing and thin oil lubricating structure or anti-friction bearing and grease lubricating structure.)
This series of pump is driven directly by motor with flexible coupling. The pump rotates clockwise from view of driven motor

Main performance parameters of D type explosion-proof horizontal multistage pump

model	series	Flow (Q)		Head(m)	Speed (r/min)	power		Efficiency л(%)
model	series	m3/h	l/s	Head(m)	Speed (r/min)	shaft power	Motor Power	Efficiency л(%)
50D8	2	18	5	19	2950	1.5	2.2	62
	3	18	5	28.5	2950	2.25	3	62
	4	18	5	38	2950	3	4	62
	5	18	5	47.5	2950	3.75	5.5	62
	6	18	5	57	2950	4.5	5.5	62
	7	18	5	66.5	2950	5.25	7.5	62
	8	18	5	76	2950	6	7.5	62
	9	18	5	85.5	2950	6.75	7.5	62
	10	18	5	95	2950	7.5	11	62
	11	18	5	104.5	2950	8.25	11	62
	12	18	5	114	2950	9	11	62
80D12	2	32.4	9	22.7	2950	2.68	3	75
	3	32.4	9	34.05	2950	4.02	5.5	75
	4	32.4	9	45.4	2950	5.36	7.5	75
	5	32.4	9	56.75	2950	6.7	7.5	75
	6	32.4	9	68.1	2950	8.04	11	75
	7	32.4	9	79.45	2950	9.38	11	75
	8	32.4	9	90.8	2950	10.72	15	75
	9	32.4	9	102.15	2950	11.06	15	75
	10	32.4	9	113.5	2950	13.4	15	75
	11	32.4	9	124.85	2950	14.74	18.5	75
	12	32.4	9	136.2	2950	16.08	18.5	75
100D16	2	54	15	35.2	2950	7.2	11	71.5
	3	54	15	52.8	2950	10.8	15	71.5
	4	54	15	70.4	2950	14.4	18.5	71.5
	5	54	15	88	2950	18	twenty two	71.5
	6	54	15	105.6	2950	21.6	30	71.5
	7	54	15	123.2	2950	25.2	30	71.5
	8	54	15	140.8	2950	28.8	37	71.5
	9	54	15	158.4	2950	32.4	37	71.5
	10	54	15	176	2950	36	45	71.5
	11	54	15	198.6	2950	39.6	55	71.5
	12	54	15	211.2	2950	43.2	55	71.5
125D25	2	108	30	40	2950	15.6	18.5	76
	3	108	30	60	2950	23.4	30	76
	4	108	30	80	2950	31.2	37	76
	5	108	30	100	2950	39	45	76
	6	108	30	120	2950	46.8	55	76
	7	108	30	140	2950	54.6	75	76
	8	108	30	160	2950	62.4	75	76
	9	108	30	180	2950	70.3	90	76
	10	108	30	200	2950	78	90	76

Pump model	Speed (r/min)	flow		Head (m)	Efficiency (%)	Power (KW)		Required NPSH (m)
Pump model	Speed (r/min)	m3/h	L/S	Head (m)	Efficiency (%)	shaft power	Motor Power	Required NPSH (m)
D DG 6-25×3	2950	3.75	1.04	76.5	33	2.37	5.5	2.0
		6.3	1.75	75	45	2.86		2.0
		7.5	2.08	73.5	47	3.19		2.5
D DG 6-25×4	2950	3.75	1.04	102	33	3.16	7.5	2.0
		6.3	1.75	100	45	3.81		2.0
		7.5	2.08	98	47	4.26		2.5
D DG 6-25×5	2950	3.75	1.04	127.5	33	3.95	7.5	2.0
		6.3	1.75	125	45	4.77		2.0
		7.5	2.08	122.5	47	5.32		2.5
D DG 6-25×6	2950	3.75	1.04	153	33	4.73	11	2.0
		6.3	1.75	150	45	5.72		2.0
		7.5	2.08	147	47	6.39		2.5
D DG 6-25×7	2950	3.75	1.04	178.5	33	5.52	11	2.0
		6.3	1.75	175	45	6.67		2.0
		7.5	2.08	171.5	47	7.45		2.5
D DG 6-25×8	2950	3.75	1.04	204	33	6.31	15	2.0
		6.3	1.75	200	45	7.63		2.0
		7.5	2.08	196	47	8.58		2.5
D DG 6-25×9	2950	3.75	1.04	229.5	33	7.10	15	2.0
		6.3	1.75	225	45	8.52		2.0
		7.5	2.08	220.5	47	9058		2.5
D DG 6-25×10	2950	3.75	1.04	255	33	7.89	18.5	2.0
		6.3	1.75	250	45	9.53		2.0
		7.5	2.08	245	47	10.63		2.5
D DG 6-25×11	2950	3.75	1.04	280.5	33	8.68	18.5	2.0
		6.3	1.75	275	45	10.5		2.0
		7.5	2.08	269.5	47	11.71		2.5
D DG 6-25×12	2950	3.75	1.04	306	33	9.47	18.5	2.0
		6.3	1.75	300	45	11.44		2.0
		7.5	2.08	294	47	12.78		2.5
D DG 12-25×3	2950	7.5	2.08	84.6	44	3.93	7.5	2.0
		12.5	3.47	75	54	4.73		2.0
		15.0	4.17	69	53	5.37		2.5
D DG 12-25×4	2950	7.5	2.08	112.8	44	5.24	11	2.0
		12.5	3.47	100	54	6.30		2.0
		15.0	4.17	92	53	7.09		2.5
D DG 12-25×5	2950	7.5	2.08	141	44	6.55	11	2.0
		12.5	3.47	125	54	7.88		2.0
		15.0	4.17	115	53	8.86		2.5
D DG 12-25×6	2950	7.5	2.08	169.2	44	7.85	15	2.0
		12.5	3.47	150	54	9.46		2.0
		15.0	4.17	138	53	10.64		2.5
D DG 12-25×7	2950	7.5	2.08	197.4	44	9.16	15	2.0
		12.5	3.47	175	54	11.0		2.0
		15.0	4.17	161	53	12.41		2.5
D DG 12-25×8	2950	7.5	2.08	225.6	44	10.47	18.5	2.0
		12.5	3.47	200	54	12.51		2.0
		15.0	4.17	184	53	14.18		2.5
D DG 12-25×9	2950	7.5	2.08	253.8	44	11.78	18.5	2.0
		12.5	3.47	225	54	14.18		2.0
		15.0	4.17	207	53	15.95		2.5
D DG 12-25×10	2950	7.5	2.08	282	44	13.09	twenty two	2.0
		12.5	3.47	250	54	15.76		2.0
		15.0	4.17	230	53	17.73		2.5
D DG 12-25×11	2950	7.5	2.08	310.2	44	14.4	twenty two	2.0
		12.5	3.47	275	54	17.34		2.0
		15.0	4.17	253	53	19.5		2.5
D DG 12-25×12	2950	7.5	2.08	338.4	44	15.7	30	2.0
		12.5	3.47	300	54	18.9		2.0
		15.0	4.17	276	53	27.3		2.5
D DG 25-30×3	2950	15	4.17	102	50	8.33	15	2.2
		25	6.94	90	62	9.88		2.2
		30	8.33	82.6	63	10.7		2.6
D DG 25-30×4	2950	15	4.17	136	50	11.11	18.5	2.2
		25	6.94	120	62	13.1		2.2
		30	8.33	110	63	14.26		2.6
D DG 25-30×5	2950	15	4.17	170	50	13.89	twenty two	2.2
		25	6.94	150	62	16.47		2.2
		30	8.33	137.5	63	17.83		2.6
D DG 25-30×6	2950	15	4.17	204	50	16.67	30	2.2
		25	6.94	180	62	19.77		2.2
		30	8.33	165	63	21.4		2.6
D DG 25-30×7	2950	15	4.17	238	50	19.44	30	2.2
		25	6.94	210	62	23.1		2.2
		30	8.33	192.5	63	24.90		2.6
D DG 25-30×8	2950	15	4.17	272	50	22.22	37	2.2
		25	6.94	240	62	26.4		2.2
		30	8.33	220	63	28.53		2.6
D DG 25-30×9	2950	15	4.17	306	50	25.0	37	2.2
		25	6.94	270	62	29.65		2.2
		30	8.33	247.5	63	32.1		2.6
D DG 25-30×10	2950	15	4.17	340	50	27.8	45	2.2
		25	6.94	300	62	32.9		2.2
		30	8.33	275	63	35.7		2.6
D DG 46-30×3	2950	30	8.33	102	64	13.02	twenty two	2.4
		46	12.5	90	70	16.11		3.0
		55	15.3	81	68	17.84		4.6
D DG 46-30×4	2950	30	8.33	136	64	17.36	30	2.4
		46	12.8	120	70	21.48		3.0
		55	15.3	108	68	23.79		4.6
D DG 46-30×5	2950	30	8.33	170	64	21.7	37	2.4
		46	12.8	150	70	26.85		3.0
		55	15.3	135	68	29.74		4.6
D DG 46-30×6	2950	30	8.33	204	64	26.04	37	2.4
		46	12.8	180	70	32.21		3.0
		55	15.3	162	68	35.68		4.6
D DG 46-30×7	2950	30	8.33	238	64	30.38	45	2.4
		46	12.8	210	70	37.58		3.0
		55	15.3	189	68	41.63		4.6
D DG 46-30×8	2950	30	8.33	274	64	34.72	55	2.4
		46	12.8	240	70	42.95		3.0
		55	15.3	216	68	47.58		4.6
D DG 46-30×9	2950	30	8.33	306	64	39.06	55	2.4
		46	12.8	270	70	48.32		3.0
		55	15.3	243	68	53.53		4.6
D DG 46-30×10	2950	30	8.33	340	64	43.4	75	2.4
		46	12.8	300	70	53.69		3.0
		55	15.3	270	344	59.47		4.6
D DG 46-50×3	2950	30	8.33	166.5	54	25.19	37	2.5
		46	12.8	150	63	29.83		2.8
		55	15.3	138	64	32.3		3.2
D DG 46-50×4	2950	30	8.33	222	54	33.59	45	2.5
		46	12.8	200	63	39.77		2.8
		55	15.3	184	64	43.06		3.2
D DG 46-50×5	2950	30	8.33	277.5	54	41.98	55	2.5
		46	12.8	250	63	49.71		2.8
		55	15.3	230	64	53.83		3.2
D DG 46-50×6	2950	30	8.33	333	54	50.38	75	2.5
		46	12.8	300	63	59.65		2.8
		55	15.3	276	64	64.59		3.2
D DG 46-50×7	2950	30	8.33	388.5	54	58.78	75	2.5
		46	12.8	250	63	69.6	75	2.8
		55	15.3	322	64	72.36	90	3.2
D DG 46-50×8	2950	30	8.33	440	54	67.18	90	2.5
		46	12.8	400	63	79.54		2.8
		55	15.3	368	64	86.12		3.2
D DG 46-50×9	2950	30	8.33	499.5	54	75.57	110	2.5
		46	12.8	450	63	89.48		2.8
		55	15.3	414	64	96.89		3.2
D DG 46-50×10	2950	30	8.33	555	54	83.97	110	2.5
		46	12.8	500	63	99.42		2.8
		55	15.3	460	64	107.66		3.2
D DG 46-50×11	2950	30	8.33	610.5	54	92.37	132	2.5
		46	12.8	550	63	109.36		2.8
		55	15.3	506	64	118.42		3.2
D DG 46-50×12	2950	30	8.33	666	54	100.8	132	2.5
		46	12.8	600	63	119.8		2.8
		55	15.3	552	64	129.2		3.2
D DG 85-45×2	2950	55	15.3	102	63	24.25	37	3.2
		85	23.6	90	72	28.94		4.2
		100	27.8	78	70	30.35		5.2
D DG 85-45×3	2950	55	15.3	153	63	36.38	55	3.2
		85	23.6	135	72	43.3		4.2
		100	27.8	117	70	45.52		5.2
D DG 85-45×4	2950	55	15.3	204	63	48.5	75	3.2
		85	23.6	180	72	57.87		4.2
		100	27.8	156	70	60.7		5.2
D DG 85-45×5	2950	55	15.3	255	63	60.63	90	3.2
		85	23.6	225	72	72.34		4.2
		100	27.8	195	70	75.86		5.2
D DG 85-45×6	2950	55	15.3	306	63	72.75	110	3.2
		85	23.6	270	72	86.81		4.2
		100	27.8	234	70	91.04		5.2
D DG 85-45×7	2950	55	15.3	357	63	84.88	132	3.2
		85	23.6	315	72	101.3		4.2
		100	27.8	273	70	106.2		5.2
D DG 85-45×8	2950	55	15.3	408	63	97.0	132	3.2
		85	23.6	360	72	115.7		4.2
		100	27.8	312	70	121.4		5.2
D DG 85-45×9	2950	55	15.3	459	63	109.1	160	3.2
		85	23.6	405	72	130.2		4.2
		100	27.8	351	70	136.6		5.2
D DG 155-30×2	1480	100	27.8	65	64	27.66	55	3.2
		155	43	60	75	33.77		3.9
		185	51.4	55	75	36.95		4.8
D DG 155-30×3	1480	100	27.8	97.5	64	41.2	75	3.2
		155	43	90	75	50.65		3.9
		185	51.4	82.5	75	55.4		4.8
D DG 155-30×4	1480	100	27.8	130	64	55.32	90	3.2
		155	43	120	75	67.54		3.9
		185	51.4	110	75	73.9		4.8
D DG 155-30×5	1480	100	27.8	162.5	64	69.15	110	3.2
		155	43	150	75	84.42		3.9
		185	51.4	137.5	75	92.37		4.8
D DG 155-30×6	1480	100	27.8	195	64	82.98	132	3.2
		155	43	180	75	101.3		3.9
		185	51.4	165	75	110.8		4.8
D DG 155-30×7	1480	100	27.8	227.5	64	96.81	160	3.2
		155	43	210	75	118.2		3.9
		185	51.4	192.5	75	29.3		4.8
D DG 155-30×8	1480	100	27.8	260	64	110.6	, , 180	3.2
		155	43,	240	75	135.1		3.9
		185	51.4	220	75	147.8		4.8
D DG 155-30×9	1480	100	27.8	292.5	64	124.5	180	3.2
		155	43	270	75	152		3.9
		185	51.4	247.5	75	166.3		4.8
D DG 155-30×10	1480	100	27.8	325	64	138.3	225	3.2
		155	43	300	75	168.8		3.9
		185	51.4	725	75	184.7		4.8
D DG 155-67×3	2950	100	27.8	228	64	97.0	132	3.2
		155	43	200	74	114.7		5.0
		185	51.4	177	72	123.9		6.6
D DG 155-67×4	2950	100	27.8	304	64	129.4	185	3.2
		155	43	268	74	152.9		5.0
		185	51.4	236	72	165.1		6.6
D DG 155-67×5	2950	100	27.8	380	64	161.7	220	3.2
		155	43	335	74	191.1		5.0
		185	51.4	295	72	206.4		6.6
D DG 155-67×6	2950	100	27.8	456	64	194	275	3.2
		155	43	402	74	229.3		5.0
		185	51.4	354	72	247.7		6.6
D DG 155-67×7	2950	100	27.8	532	64	226.4	350	3.2
		155	43	469	74	267.5		5.0
		185	51.4	413	72	289		6.6
D DG 155-67×8	2950	100	27.8	608	64	258.7	350	3.2
		155	43	536	74	305.7		5.0
		185	51.4	472	72	330.3		6.6
D DG 155-67×9	2950	100	27.8	684	64	291.1	440	3.2
		155	43	603	74	344		5.0
		185	51.4	531	72	371.9		6.6
D DG 280-43×2	1480	185	51.4	94	69	68.6	110	3.0
		280	77.8	86	77	85.17		4.7
		335	93.1	76	75	92.4		6.0
D DG 280-43×3	1480	185	51.4	141	69	103	150	3.0
		280	77.8	129	77	127.7		4.7
		335	93.1	114	75	138.7		6.0
D DG 280-43×4	1480	185	51.4	188	69	137.3	230	3.0
		280	77.8	172	77	170.3		4.7
		335	93.1	152	75	184.9		6.0
D DG 280-43×5	1480	185	51.4	235	69	171.6	300	3.0
		280	77.8	215	77	212.9		4.7
		335	93.1	190	75	231.1		6.0
D DG 280-43×6	1480	185	51.4	282	69	205.9	300	3.0
		280	77.8	258	77	255.5		4.7
		335	93.1	228	75	277.3		6.0
D DG 280-43×7	1480	185	51.4	329	69	240.2	350	3.0
		280	77.8	304	77	298.1		4.7
		335	93.1	226	75	323.6		6.0
D DG 280-43×8	1480	185	51.4	376	69	274.5	410	3.0
		280	77.8	344	77	304.7		4.7
		335	93.1	304	75	369.8		6.0
D DG 280-43×9	1480	185	51.4	423	69	308.9	430	3.0
		280	77.8	387	77	383.2		4.7
		335	93.1	3742	75	416		6.0
D DG 280-65×6	1480	185	51.4	408	61	337	500	2.8
		280	77.8	390	73	407.4		3.7
		335	93.1	372	75	452.5		5.0
D DG 280-65×7	1480	185	51.4	476	61	393.1	680	2.8
		280	77.8	455	73	475.3		3.7
		335	93.1	434	75	528		5.0
D DG 280-65×8	1480	185	51.4	544	61	449.3	680	2.8
		280	77.8	520	73	543.2		3.7
		335	93.1	496	75	603.3		5.0
D DG 280-65×9	1480	185	51.4	612	61	505.5	850	2.8
		280	77.8	585	73	611.1		3.7
		335	93.1	558	75	678.8		5.0
D DG 280-65×10	1480	185	51.4	680	61	561.8	850	2.8
		280	77.8	650	73	579		3.7
		335	93.1	620	75	754.2		5.0
D DG 450-60×3	1480	335	93.1	195	72	247.1	360	3.8
		450	125	180	76	289.2		4.9
		500	139	171	78	298.5		6.0
D DG 450-60×4	1480	335	93.1	260	72	329.4	500	3.8
		450	125	240	76	372.3		4.9
		500	139	228	78	398		6.0
D DG 450-60×5	1480	335	93.1	320	72	411.8	680	3.8
		450	125	300	76	465.4		4.9
		500	139	285	78	497.5		6.0
D DG 450-60×6	1480	335	93.1	390	72	494.2	680	3.8
		450	125	360	76	558.5		4.9
		500	139	242	78	597		6.0
D DG 450-60×7	1480	335	93.1	455	72	576.5	850	3.8
		450	125	420	76	651.5		4.9
		500	139	399	78	696.5		6.0
D DG 450-60×8	1480	335	93.1	520	72	658.9	850	3.8
		450	125	480	76	744.6		4.9
		500	139	456	78	796		6.0
D DG 450-60×9	1480	335	93.1	585	72	741.2	1050	3.8
		450	125	540	76	837.7		4.9
		500	139	513	78	823.6		6.0
D DG 450-60×10	1480	335	93.1	650	72	930.8	1050	3.8
		450	125	600	76	995.1		4.9
		500	139	570	78			6.0