Horizontal Centrifugal Pump, KTZ Type Cooling Tower Pump Manufacturer

Horizontal Centrifugal Pump, KTZ Type Cooling Tower Pump

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General introduction

The KTZ cooling tower pump is a single-stage single-suction centrifugal pump used to transfer clean water or liquids similar to clear water. It can be used in conjunction with an HVAC system, or used in a central air conditioning cooling system, waterworks supply, and other applications. The noise level is lower than that of an ordinary Y-type motor.

Working conditions

Medium temperature: less than 80℃
Ambient temperature: less than 40℃
Working pressure is divided into two levels: 1.0MPa and 1.6MPa (Please specify when ordering to ensure reliable use)

Structure drawings

1. Pump cover
2. Water slinger
3. Mechanical seal
4. Motor with a lengthened shaft
5. Impeller nut

6. Seal ring
7. Impeller
8. Pump casing
9. Base

Structure description

Direct-connect structure facilitates installation, maintenance and repair: During repair, the pump body, inlet, and outlet pipes do not need to move. Just move the motor, and impeller and other parts can be removed for repair.
To balance the axial force of the pump, a balance hole structure is utilized.
A wear-resistant mechanical seal is utilized to ensure a stable, reliable operation and long service life.
Precise casting impeller, high strength shaft and matching imported bearing.
To guarantee the pump high quality, the impeller material is divided into a wear resistant cast iron and a cast copper. Customers can choose which one they would like based on their specific usage conditions.

Model Explanation

① Code for impeller cutting outer diameter
② Impeller diameter (mm)
③ Pump inlet diameter (mm)
④ Pump outlet diameter (mm)
⑤ Single-stage single-suction direct-connect centrifugal pump

Model	Capacity		Head	Rotation Speed	Power (KW)		Efficiency	Net Positive Suction Head	Outlet taper pipe diameter
Model	(m³/h)	(l/s)	(m)	(r/min)	Break Power	Motor Power	(%)	NPSH (r) (m)	(mm)
KTZ100-65-210	35 55 66	9.72 15.3 18.3	15.3 14 13	1450	2.31 2.87 3.2	4	63 73 73.5	1.9 2.0 2.3	65-100
KTZ100-65-250	30 50 60	8.33 13.9 16.7	21.3 20 19	1450	3.16 4 4.44	5.5	55 68 70	2.0 2.0 2.5	65-100
KTZ100-65-315	30 50 60	8.33 13.9 16.7	34 32 30	1450	5.44 6.92 7.67	11	51 63 64	2.0 2.0 2.5	65-100
KTZ100-65-320	40 65 78	11.1 18.1 21.7	7.46 9.56 10.62	1450	37 34 31	15	54 63 62	1.9 2.0 2.5	65-100
KTZ100-65-320A	37 62 74.5	10.3 17.2 20.7	6.73 8.54 9.47	1450	33.4 30.9 28	11	50 61 60	2.5 2.5 3.0	65-100
KTZ125-100-200	60 100 120	16.7 27.8 33.3	14.5 12.5 11	1450	3.84 4.48 4.79	7.5	26 76 75	2.5 2.5 3.0	100-125
KTZ125-100-200A	56 93.5 112	15.6 26 31.1	12.8 11 9.7	1450	3.17 3.7 396	5.5	62 76 75	2.5 2.5 3.0	100-125
KTZ125-100-250	60 100 120	16.7 27.8 33.3	21.5 20 18.5	1450	5.59 7.17 7.84	11	62 76 77	2.5 2.5 3.0	100-125
KTZ125-100-250A	56 93.5 112	15.6 26 31.1	18.8 17.5 16.2	1450	4.56 5.87 6.41	7.5	63 76 77	2.5 2.5 3.0	100-125
KTZ125-100-250B	52.2 86.5 104	14.5 24 28.9	16 15 13.9	1450	3.7 4.86 5.17	5.5	62 75 76	2.5 2.5 3.0	100-125
KTZ125-100-315	60 100 120	16.7 27.8 33.3	33.5 32 30.5	1450	9.4 11.9 13.5	15	58 73 74	2.5 2.5 3.0	100-125
KTZ125-100-315A	57.4 95.5 114	15.9 26.5 31.7	30.5 28.5 27.8	1450	8.22 10.33 11.7	15	58 73 74	2.5 2.5 3.0	100-125
KTZ125-100-315B	54.6 90.8 108.9	15.1 25.2 30.3	27.7 26.4 25.8	1450	7.23 9.08 10.5	11	57 72 73	2.5 2.5 3.0	100-125
KTZ125-100-400	60 100 120	16.7 27.8 33.3	52 50 48.5	1480	16.1 21 23.6	30	53 65 67	2.5 2.5 3.0	100-125
KTZ125-100-400A	56 93.6 112.4	15.6 26 31.2	46 44 43	1480	13.2 17.5 19.6	22	53 64 67	2.5 2.5 3.0	100-125
KTZ125-100-400B	52.2 88 105	14.5 24.4 29.2	40 38 37.2	1480	11.2 14.6 16.4	18.5	51 62.8 65	2.5 2.5 3.0	100-125
KTZ125-100-210	90 142 170	25 39.4 47.2	15 13 11.5	1480	5.25 6.36 6.91	11	70 79 77	2.2 2.5 3.4	100-125
KTZ125-100-260	95 148 175	26.4 41.1 48.6	24.5 22 20	1480	9.19 11.37 12.54	15	69 78 76	2.3 2.6 3.5	100-125
KTZ125-100-320	80 146 165	22.2 40.6 45.8	37.5 34 29	1480	12.73 16.7 18.38	22	65 75 72	2.0 2.0 2.3	100-125
KTZ125-100-320A	78 142 165	21.7 39.4 45.8	32 28 25	1480	10.8 14.83 16.28	18.5	63 73 69	2.0 2.0 2.3	100-125
KTZ125-100-410	90 150 176	25 41.7 48.9	57 52 48.5	1480	24.09 31.24 34.96	45	58 68 67	2.3 2.5 3.2	100-125
KTZ125-100-410A	87 144 172	24.2 40 47.8	52 48 44	1480	22 28.5 31.7	37	56 66 65	2.3 2.5 3.2	100-125

Model	Capacity		Head (m)	Rotation Speed (r/min)	Power (KW)		Efficiency (%)	Net Positive Suction Head NPSH (r) (m)	Outlet taper pipe diameter (mm)
Model	(m³/h)	(l/s)	Head (m)	Rotation Speed (r/min)	Break Power	Motor Power	Efficiency (%)	Net Positive Suction Head NPSH (r) (m)	Outlet taper pipe diameter (mm)
KTZ125-100-410B	83 140 165	23.1 38.9 45.8	45 40 38	1480	18.83 23.8 27.1	30	54 64 63	2.3 2.5 3.2	100-125
KTZ150-125-250	120 200 240	33.3 55.6 66.7	22.5 20 17.5	1480	10.4 13.5 14.7	18.5	71 81 78	3 3.0 3.5	125-150
KTZ150-125-250A	112 187 224	31.1 51.9 62.2	19.5 17.5 15.2	1480	8 7 11.3 12.3	15	68 77.9 75.3	3 3.0 3.5	125-150
KTZ150-125-260	144 240 288	40 66.7 80	23.5 21 18.1	1480	13.17 16.95 18.9	22	70 81 78	2.3 2.6 3.2	125-150
KTZ150-125-260A	134 230 280	37.2 63.9 77.8	21 18.5 16.5	1480	11.43 14.66 16.55	18.5	67 79 76	2.3 26 3.2	125-150
KTZ150-125-315	120 200 240	33.3 55.6 66.7	34 32 29	1480	15.86 22.08 23.71	30	70 79 80	2.5 2.5 3.0	125-160
KTZ150-125-315A	112 187 224.6	31.1 51.9 62.4	30 28 25	1480	13.1 18 1 19.1	22	70 79 80	2.5 2.5 3.0	125-150
KTZ150-125-315B	104 173 208	28.9 48.1 57.8	25.5 24 21.8	1480	10.5 14.5 15.6	18.5	69 78 79	2.5 2.5 3.0	125-150
KTZ150-125-320A	144 240 288	40 66.7 80	34 32 28	1480	19.05 26.47 27.45	30	70 79 80	2.5 2.5 3.0	125-150
KTZ150-125-320A	134 230 270	37.2 63.9 75	29 26 22	1480	15.79 20.61 21.01	22	67 79 77	2.5 2.5 3.0	125-150
KTZ150-125-400	120 200 240	33.3 55.6 66.7	53 50 46	1480	27.9 36.3 40.6	45	62 75 74	2 2.8 3.5	125-150
KTZ150-125-400A	112 187 225	31.1 51.9 62.5	47 44 40	1480	23.2 30 33.1	37	62 75 74	2 2.8 3.5	125-150
KTZ150-125-400B	105 173 210	29.2 48.1 58.3	40 38 35	1480	18.7 24.4 27.4	30	61 74 73	2 2.8 3.5	125-150
KTZ150-125-410	144 245 300	40 68.1 83.3	55 50 44	1480	32.68 43.9 49.9	55	66 76 72	2.2 2.4 3.2	125-150
KTZ150-125-410A	144 245 300	40 68.1 83.3	52 45 38	1480	31.37 40 43.7	45	65 75 71	2.2 2.4 3.2	125-150
KTZ200-150-260	189 315 378	52.5 87.5 105	22.6 20 17.5	1480	16.6 20.5 22.2	30	70 83.5 81	2.7 3 4	150-200
KTZ200-150-260A	200 280 340	55.6 77.8 94.4	18.8 16.2 14	1480	14.8 15.1 16.2	22	69 82 80	2.7 3 4	150-200
KTZ200-150-250	240 400 460	66.7 111.1 127.8	20.6 20 17.2	1480	21.1 26.7 27.3	37	70 83 79	3.6 4.6 4.9	150-200
KTZ200-150-250A	225 374 431	62.5 103.9 119.7	19.4 17.5 15.6	1480	16.7 21.8 23.5	30	71 82 78	3 4.0 4.5	150-200
KTZ200-150-320	189 315 378	52.5 87.5 105	36 32 29.4	1480	25.56 33.46 37.6	45	72.5 82 80.5	2.5 3.2 4.2	150-200
KTZ200-150-320A	200 280 340	55.6 77.8 94.4	33 28 25	1480	25.3 26.36 29.3	37	71 81 79	2.5 3.2 4.2	150-200
KTZ200-150-315	240 400 460	66.7 111.1 127.8	37 32 28.5	1480	34.6 42.5 44.6	55	70 82 80	3.0 3.5 4	150-200

Installation Dimension

Model	L	L1	L2	L2	L3	B1	B2	h1	h2	h3	h4	a	b	C	n-φd
KTZ100-65-210	565	438	73	73	265	398	446	253	180	225	14.8	100	125	190	4-28
KTZ100-65-250	650	615	105	95	405	440	480	290	200	250	22	125	135	210	4-17.5
KTZ100-65-315	795	610	100	80	410	470	520	315	225	280	10	125	165	255	4-24
KTZ100-65-320	845	860	130	130	600	550	610	315	225	280	30	130	155	255	4-28
KTZ100-65-320A	790	860	130	130	600	550	610	315	225	280	30	130	155	255	4-28
KTZ125-100-200	690	800	130	110	500	550	610	350	200	280	20	125	135	210	4-18
KTZ125-100-200A	650	800	130	110	500	550	610	290	200	280	20	125	135	210	4-28
KTZ125-100-210	778	700	120	85	480	550	590	336	200	280	20	125	170	255	4-28
KTZ125-100-250	815	860	100	130	480	530	580	315	225	280	30	140	170	255	4-28
KTZ125-100-250A	705	600	100	100	480	530	580	315	225	280	15	140	135	210	4-28
KTZ125-100-250B	665	600	100	100	480	530	580	315	225	280	15	140	135	210	4-28
KTZ125-100-260	855	860	160	130	600	550	610	315	225	280	30	150	145	255	4-28
KTZ125-100-315	870	700	150	100	560	500	580	340	250	315	15	140	170	255	4-28
KTZ125-100-315A	870	700	150	100	560	500	580	340	250	315	15	140	170	255	4-28
KTZ125-100-315B	815	700	100	100	480	500	610	340	250	315	15	140	170	255	4-28
KTZ125-100-320	937	960	160	150	640	600	660	370	250	315	30	140	167	280	4-28
KTZ125-100-320A	897	960	160	150	640	600	660	370	250	315	30	140	167	280	4-28
KTZ125-100-400	980	960	160	125	640	600	660	430	280	355	20	140	184	305	4-28
KTZ125-100-400A	954	960	160	110	640	600	646	371	280	355	20	140	185	280	4-28
KTZ125-100-400B	915	960	160	110	640	600	646	371	280	355	20	140	185	285	4-28
KTZ125-100-410	1039	960	160	130	640	600	660	465	315	360	40	150	184	335	4-28
KTZ125-100-410A	1009	960	160	130	640	600	660	465	315	360	40	150	184	335	4-28
KTZ125-100-41OB	989	960	160	130	640	600	660	465	315	360	40	150	184	305	4-28
KTZ150-125-250	915	860	160	130	600	550	610	340	250	355	30	140	175	280	4-28
KTZ150-125-250A	870	700	120	110	480	550	610	340	250	355	30	140	170	255	4-28
KTZ150-125-260	915	860	160	130	600	550	610	340	250	355	30	150	175	280	4-28
KTZ150-125-260A	915	860	160	130	640	550	610	340	250	355	30	150	175	280	4-28
KTZ150-125-315	990	960	160	130	640	600	660	430	280	355	40	140	185	305	4-28
KTZ150-125-315A	955	960	160	150	640	600	660	370	280	355	30	140	185	280	4-28
KTZ150-125-315B	915	960	160	150	640	600	660	370	280	355	30	140	184	280	4-28
KTZ150-125-320	966	960	160	120	640	600	690	390	280	355	15	140	166	305	4-30
KTZ150-125-320A	936	960	160	150	640	600	660	370	280	355	30	140	166	280	4-28
KTZ150-125-400	1025	960	160	130	640	600	660	465	315	400	40	140	185	335	4-28
KTZ150-125-400A	1000	960	160	130	640	600	660	465	315	400	40	140	185	335	4-28
KTZ150-125-400B	990	960	160	130	640	600	660	480	315	400	40	140	185	305	4-28
KTZ150-125-410	1118	1000	178	134.25	645	650	710	465	315	400	40	140	203	370	4-28
KTZ150-125-410A	1010	960	160	130	640	600	660	465	315	400	40	140	165	335	4-28
KTZ200-150-250	1020	960	160	130	640	600	660	430	280	375	40	160	185	335	4-28
KTZ200-150-250A	1005	865	160	115	520	590	640	455	280	375	22	160	183	305	4-28
KTZ200-150-260	1005	960	160	130	640	600	660	430	280	375	40	160	184	305	4-28
KTZ200-150-260A	974	960	160	110	640	600	646	371	280	375	40	160	184	280	4-28
KTZ200-150-315	1150	960	160	125	480	670	730	465	315	400	40	160	215	370	4-28
KTZ200-150-315A	1055	880	160	125	580	670	730	465	315	400	40	160	190	335	4-28
KTZ200-150-315B	1030	880	160	125	580	670	730	465	315	400	40	160	190	335	4-28
KTZ200-150-320	1055	960	160	120	640	650	740	425	315	400	40	160	190	335	4-28
KTZ200-150-320A	995	960	160	132.5	640	650	710	480	315	400	40	160	155	335	4-28
KTZ200-150-400	1253	1110	160	170	790	670	730	465	315	450	22	160	198	410	4-28
KTZ200-150-400A	1203	1110	160	130	790	670	730	465	315	450	40	160	198	410	4-28
KTZ200-150-400B	1130	1110	160	130	790	670	730	465	315	450	40	160	195	370	4-28
KTZ200-150-410	1203	1110	160	170	790	670	730	465	315	450	22	160	198	410	4-28
KTZ200-150-410A	1130	1110	160	130	790	670	730	465	315	450	40	160	195	370	4-28
KTZ250-200-300	1215	960	160	125	480	670	730	465	315	435	40	225	215	370	4-28
KTZ250-200-300A	1090	960	160	120	640	650	740	425	315	435	40	225	160	335	4-28
KTZ250-200-400	1453.5	1210	200	180	810	650	700	500	315	460	27	225	178.5	530	4-28
KTZ250-200-400A	1298	1110	160	170	790	670	730	465	315	460	22	225	178	410	4-28
KTZ250-200-400B	1248.5	1110	160	170	790	670	730	465	315	460	22	225	178.5	410	4-28