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D-type Multistage pump

Suitable for industrial and urban water supply and drainage, high-rise building pressurized water supply, garden irrigation, fire pressurization, long-distance water supply, heating, bathroom and other hot and cold water cycle pressurization and equipment, especially for small boiler feed water.

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Product Description

Product Overview：
For the delivery of water or other physical and chemical properties similar to water.It can also be done by changing the pump flow components, sealing the form and increasing the cooling system for conveying hot water, oil, corrosive or abrasive particles.Standard JB/T1051-93《Principle and basic parameters of multi - stage clean water centrifugal pump》.

Product Features：
1、high efficiency, wide range of performance.
2、Pump running smoothly, low noise.
3、Shaft seal with soft packing seal or mechanical seal, sealed safe and reliable, simple structure, easy maintenance.
4、Shaft is fully enclosed structure, to ensure that does not contact with media, no corrosion, long service life.

微信图片_20210406170700.jpg
Technical Parameter：
Capacity：6.3-300m3/h；
Head：13-650m；
Power：2.2-400KW；
Speed：1450-2950r/min；
Outlet diam.：φ50-φ200；
Temperature：≤105℃；
Work pressure：≤3.0Mpa.

Performance Parameter：

Model	Speed （r/min）	Capacity		Head （m）	Efficiency (%)	Power（KW）		NPSH （m）
Model	Speed （r/min）	m3/h	L/S	Head （m）	Efficiency (%)	Shaft power	Motor power	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	22	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	22	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	22	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	22	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

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