S Series Horizontal Split case Centrifugal Pump

Model
S

S series horizontal split case centrifugal pump general

Summary
Compared with other similar pumps, Model-S horizontal medium -open pump of NANFANG PUMP PUMP INDUSTRY is featured with long life, high efficiency, reasonable structure, low operating cost, convenient installation and repair, etc. It is an ideal pump for fire fighting, air - conditioning, chemical, water treatment and other industries.
Pump body
The designed pressures of the pump are1.6Mpaand2.0Mpa. In order to meet different users'requirements around the world, the relevant inlet and outlet flanges of pump body can be chosen according to ANSI, PN and JIS standards. These inletand outlet flanges areall installed in the lower part of pump body, so the rotor can be taken out without disassembling pipelines of the system, and it is convenient to repair. Part of the pump body adopts a double-flow-passage structure in design, which can lower the radial force and extend the life of the mechanic seal and the bearing.
Blade wheel
The hydraulic design of the blade wheel uses the up-to-date CFD technology, which can improve the hydraulic efficiency of the pump. The blade wheel has been made in a dynamic balance, so as to make sure that model-S pump can run very smoothly.
Shaft
The diameter of the shaft is big, while the gap between bearings is short. This can lower the deflection of the shaft, so as to extend the life of the mechanic seal and the bearing.
Shaft casing
For model-S pumps of NANFANG PUMP, the shaft casing can be made of many different materials, so as to protect the shaft from corrosion and abrasion. The shaft casing can be replaced.
Abrasion ring
A replaceable abrasion ring is installed between the pump body and blade wheel, so as to protect the pump body and blade wheel from abrasion. It is convenient to replace. This results in low maintenance cost, guarantees enough running gap and high efficiency.
Stuffing
The pump with unique stuffing design of NANFANG PUMP can use not only stuffing, but also mechanic seal. The seal device can be replaced without disassembling pump cover.
Bearing
The unique bearing design makes it possible that the bearing can use either grease or thin oil for lubrication. The designed life of the bearing can be up to more than 100,000 hours. A double-row thrust bearing or closed-type bearing can also be used.
Materials
According to actual demands of users, the materials of model-S horizontal medium-open pump can be copper, cast iron, nodular cast iron, 316 stainless steel, 416 stainless steel, duplex steel, Hastelloy, monelmetal, Titanium alloy, 20# alloy, etc.
Installment mode
Model-S pump can be installed in two ways: horizontal and vertical installments. The vertical installment can save floor space.

Performance chart of model-S single-stage-double-suction pumpTop of page

Pump Model	Q Capacity (m3/h)	H Head m	n Speed (r/min)	(KW) Power		η Efficiency	(NPSH)r (m)	D Impeller diameter (mm)	Weight pump/base (kg)
				Shaft	electromotor
150S78	126 160 198	84 78 70	2950	45.3	55	75	3.5	245	158/112
150S78A	112 144 180	67 62 55		33.8	45	72		223	158/95
150S50	130 160 220	52 50 40		27.3	37	80	3.9	206	147/112
150S50A	116 144 180	44 40 35		21	30	75		185	147/95
150S50B	103 133 160	38 36 32		18.6	22	70			147/80
200S95	183 280 324	103 95 85		91.7	125	79.2	5.3	282	240/-
200S95A	198 270 310	94 87 80		85.3	110	75		270
200S95B	245	72		64.9	75	74		250
200S63	216 280 351	69 63 50		58.3		82.7	5.4	235	187/135
200S63A	180 270 324	54.5 46 37.5		45.1	55	75		210	187/124
200S42	216 280 342	48 42 35		38.1	45	842		204	219/180
200S42A	198 270 310	43 36 31		33.1	37	80		193
250S65	360 485 612	71 65 56	1450	109	132	78.6	3	450	518/-
250S65A	338 468 540	60 54 50		89.4	110	77		400
250S39	360 485 612	42.5 39 32.9		61.5	75	83.6	32	367	400/240
250S39A	324 468 576	35.5 30.5 25		49.3	55	79		328	400/233
250S24	360 485 576	27 24 19		36.9	45	85.8	3.5	285
250S24A	342 414 482	22.2 20.3 17.4		27.6	37	83		265	370/201
250S14	360 485 576	17.5 14 11		21.5	30	85.8	3.8	245	305/225
250S14A+	320 432 504	13.7 11 8.6		15.8	18.5	82		214	305/215
300S90	590 790 936	93 90 82		243	300	79.6	4	530	840/-
300S90A	576 756 918	86 78 70		217	260	74		500
300S90B	540 720 900	72 67 57		180	220	73		470
300S58	576 790 972	65 58 50		148	180	84.2	4.4	445	599/-
300S58A	529 720 893	55 49 42		119	160	81		419
300S58B	504 684 835	47.2 43 37		100	132	80		394
300S32	612 790 900	36 32 28		79.2	90	86.8	4.6	348	709/-
300S32A	551 720 810	31 26 24		60.7	75	84		318
300S19	612 790 935	22 19 14		47	55	86.8	5.2	290	434/485
300S19A	504 720 829	20 16 13		39.2	45	80		260	434/490
300S12	612 790 900	14.5 12 10		30.4	37	84.8	5.5	251	413/243
300S12A	522 684 792	11.8108.7		23.9	30	78		200	413/237
350S75	972 1260 1440	80 75 65		303	356	85.2	5.8	503	1200/-
350S75A	900 1170 1332	70 65 56		247	280	84		470

Pump Model	Q Capacity (m3/h)	H Head m	n Speed (r/min)	(KW) Power		η Efficiency	(NPSH)r (m)	D Impeller diameter (mm)	Weight pump/base (kg)
				Shaft	electromotor
350S75B	900 1080 1224	59 55 47.5	1450	197	220	82	5.8	443	1200/-
350S44	828 1260 1476	50 44 37		173	220	87.5	6.3	406	11051/-
350S44A	972 1116 1332	41 36 30		131	160	84		370
350S26	864 1260 1440	32 26 22		102	132	87.5	6.7	340	672/-
350S26A	972 1116 1296	26 21.5 16.5		78.8	90	83		310
350S16	864 1260 1440	20 16 13.4		64.5	75	85.3	7.1	290	632/-
350S16A	972 1044 1260	16 13.4 10		48.8	55	78		250
500S98	864 2020 2340	14 98 79	970	678	800	79.5	6	860	4300/-
500S98A	1620 1872 2170	96 83 67		540	630	78.5		800
500S98B	1500 1746 2020	86 74 59		452	560	78		745
500S59	1400 2020 2340	68 59 47		391	450	83		675	2700/-
500S59A	1620 1872 2170	57 49 39		333	400	75		630
500S59B	1500 1746 2020	46 40 32		257	315	74		585
500S35	1400 2020 2340	40 35 28		219	280	88		530	2300/-
500S35A	1620 1746 2020	31 27 21		151	220	85		498
500S22	1400 2020 2340	24.5 22 19.4		144	182	84		460	2000/-
500S22A	1620 1746 2020	20 17 14		104	132	80		410
500S13	1400 2020 2340	15 13 10.4		862	110	83		390
600S75	1620 3170	75		727	800	89	7.5	782	4300/-
600S75A	2880	65		580	630	88		716
600S47	3170 3500	56 47 38		465	560	88		626	3800/-
600S32	2500 3170 3960	37 32 20		314	380	88		540	2500/-
600S32A	2520 2880 3600	31.5 27 20		246	280	86		500
600S32B	2304 2628	22		187	240	84		480
600S22	3170	22		216	250	88	7	485
600S22A	2880	18		161	215	87		440
800S75	4320 6330 7200	84.5 75 67	730	1405	1600	92	8	990	8300/-
800S48	3600 5070 6200	55 48.5 43	585	752	1000	89	5.2	990	8300/-
800S29	4300 5400 5760	32 29 27	730	472	570	90	8	716	6000/-
800S29A	3960 5000 5400	29 26 23.7	730	393.5	440	90	7	680	6000/-
800S29B	3600 4700 5000	23.7 20 17.5	730	284.5	320	90	6.2	625	6000/-
800S29C	3600 4300 4680	22.3 18.6 17	585	242	280	90	5	716	6000/-
800S29D	3240 4000 4300	18.7 16.5 15	585	200	230	90	4.5	680	6000/-
800S29E	2880 3800 3960	15.6 13 11.5	585	151.2	185	89	4	625	6000/-

S series horizontal split case centrifugal pump ralated productsTop of page

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