MARINE CENTRIFUGAL PUMP

CWS Marine Double Suction Mid-open Horizontal Centrifugal Pump

Applications:

CWS Series marine vertical double-suction Middle-open centrifugal pump is our newly developed product driven by a marine motor. It can be used to ballast pump, fire pump, general service pump and cargo liquid transported pump for major ships. The marine pump widely serves as fresh water and seawater cooling pump, burr pump, ballast pump and general pump, and used for seawater desalting device and marine pressure cabinet. The transported medium temperature shall not exceed 80℃. It is suitable for water supply and drainage in factory, mining ore, city and power station as well as for flood control and irrigation works of agricultural fields. AELC self-priming device can be assembled according to users’ order with additional cost, to achieve self-priming function.

The pump rotates clockwise viewed from the top of motor.

Main Technical Parameter

Parameters in case of power supply frequency of 50Hz

Type	(50Hz3φ380V) Main technical parameter					Motor type & power (kW)	Weight (Kg)
Type	Capacity (m3/h)	Head (m)	Speed (r/min)	NPSHr (m)	Shaft power (kW)	Motor type & power (kW)	Weight (Kg)
150CWS-8.5	125	54	2950	2.9	25.2	Y200L2-2H37	147
	160	50		3.8	27.2
	200	42		4.4	29.7
150CWS-8.5A	105	44	2950	2.9	17.5	Y200L1-2H30	147
	140	40		3.8	20.3
	170	35		4.2	21.9
150CWS-8.5B	100	39	2950	2.7	16.3	Y180M-2H22	147
	130	36		3.1	18.2
	160	32		3.4	19.4
150CWS-6	125	84	2950		39.7	Y250M-2H55	158
	160	78		5.9	45.3
	200	70			52.2
150CWS-6A	105	65	2950		27.3	Y225M-2H45	158
	140	60		5.9	31.8
	170	54			35.7
200CWS-13	210	48	2950		33.9	Y225M-2H45	190
	280	42		5.4	37.7
	335	35			39.4
200CWS-13A	200	43	2950		30.8	Y200L2-2H37	190
	270	36		5.4	33.1
	325	30			34.9
200CWS-9	210	68	2950		50.2	Y280S-2H75	190
	280	63		5.4	57.2
	335	58			64.1
200CWS-9A	180	55	2950		36.4	Y250M-2H55	190
	245	48		5.4	39.5
	295	40			42.8
200CWS-7	210	104	2950	4	79.3	Y315M-2H132	240
	280	95		4.7	90.5
	335	90		6.6	103.9
200CWS-7A	200	94	2950	4	72.1	Y315S-2H110	240
	270	87		4.5	82
	325	80		5.7	93.1
200CWS-7B	190	81	2950	4	60.8	Y280S-2H75	240
	250	74		4.2	66.3
	300	66		5.4	72.8
250CWS-19	370	16	1450	2	20	Y200L-4H30	290
	495	14		3.4	22.1
	595	12		4.2	23
250CWS-19A	345	12	1450	3	14.3	Y180M-4H18.5	290
	460	10		3.4	15.3
	550	8		4.2	15.6
250CWS-13	370	27	1450	2.9	32.8	Y225M-4H45	360
	495	24		3.2	36.8
	595	20		4.2	38.1
250CWS-13A	345	23	1450	2.9	26.7	Y225S-4H37	360
	460	21		3.2	31.3
	550	18		4.2	33.3
250CWS-9	370	34	1450	1.6	55.3	Y280S-4H75	370
	495	39		2.9	63.3
	595	34		3	67.2
250CWS-9A	345	37	1450		46.9	Y250M-4H55	370
	460	31		3	49.2
	550	26			50.5
250CWS-6	370	69.5	1450	2.7	88	Y315M-4H132	480
	495	65		3.2	103
	595	61		4.1	119
250CWS-6A	345	51	1450	2.7	63.9	Y315S-4H110	480
	460	48		3.2	75.1
	550	44		4.1	85.5
300CWS-27.5	600	14.5	1450	3.7	28.5	Y225S-4H37	530
	800	12		4.6	30.2
	960	9		5.1	28.9
300CWS-27.5A	540	11.5	1450	3.7	23.5	Y200L-4H30	530
	720	10.5		4.6	25.1
	865	8.5		5.1	25.5
300CWS-19	600	21	1450	3.8	43.4	Y250M-4H55	430
	800	19		4.1	47.6
	960	16		4.8	48.6
300CWS-19A	555	18	1450	3.8	38.3	Y225M-4H45	430
	740	16		4.1	39.3
	890	13		4.8	39.8
300CWS-13	600	35	1450	3.3	69.7	Y280M-4H90	530
	800	32		3.9	79.2
	960	28		4.8	85.1
300CWS-13A	555	29	1450	3.3	54.1	Y280S-4H75	530
	740	25.5		3.9	59.7
	890	21.5		4.8	62
300CWS-8.5	600	62	1450	3	126.6	Y315L2-4H 200	555
	800	58		3.9	152.1
	960	52		4.9	169.9
300CWS-8.5A	560	57	1450	3	108.6	Y315L1-4H 160	555
	750	52		3.9	129.5
	900	44		4.9	138.2
300CWS-8.5B	530	49	1450	3	96.9	Y315M-4H 132	555
	710	45		3.9	108.7
	850	39		4.9	115.7
300CWS-6	600	95	1450	3.3	201.4	Y355L2-4H 315	740
	800	90		4.2	239
	960	84		5.7	261.3
300CWS-6A	570	89	1450	3.3	191.7	Y355L1-4H280	740
	760	81		4.2	226.5
	910	72		5.7	251
300CWS-6B	535	75	1450	3.3	156	Y355M1-4H220	740
	715	69		4.2	184
	860	59		5.7	197.5
350CWS-27.5	945	20	1450	4.8	64.7	Y280S-4H75	740
	1260	16		5	63.5
	1510	12		5.3	60.9
350CWS-27.5A	860	16	1450	4.8	50.7	Y250M-4H55	740
	1150	12.5		5	48.3
	1380	9.5		5.3	48.2
350CWS-19	945	30	1450	3.6	93	Y315M-4H132	672
	1260	26		4.3	99.6
	1510	20.5		5.1	102.2
350CWS-19A	860	25	1450	3.6	73.2	Y280M-4H90	672
	1150	21.5		4.3	79.2
	1380	17.5		5.1	82.2
350CWS-13	945	49	1450	3.7	149.2	Y355M1-4H220	870
	1260	44		5.3	171.5
	1510	38.5		6.5	186.2
350CWS-13A	890	44	1450	3.7	133.3	Y315L1-4H 160	870
	1190	38.5		5.3	148.5
	1400	32.5		6.5	154.8
350CWS-8.5	945	82	1450	3.7	268.6	355	1200
	1260	75		5.3	299
	1510	66		6.5	327
350CWS-8.5A	890	70	1450	3.7	216	Y355L1-4H280	1200
	1190	64		5.3	244
	1400	56.5		6.5	262.5
350CWS-8.5B	825	57	1450	3.7	169.5	Y355M1-4H220	1200
	1100	52		5.3	190
	1320	46		6.5	204
350CWS-6	945	138	1450	3.7	493	710	1420
	1260	125		5.3	529.5
	1510	107		6.5	590
350CWS-6A	890	122	1450	3.7	416.5	560	1420
	1190	112		5.3	465
	1400	96		6.5	501
350CWS-6B	825	104	1450	3.7	329	450	1420
	1100	96		5.3	373.5
	1320	83		6.5	408.5
400CWS-13	1200	59	1450	3.8	248.6	355	1420
	1800	52		5.3	289.5
	2100	45		6.3	312
400CWS-13A	1160	54.5	1450	3.8	214.3	Y355L1-4H280	1420
	1740	45		5.3	250.7
	2030	38		6.3	259.3
500CWS-27.5	1515	15.5	970	4.5	80.9	Y315S-6H110	1260
	2020	13		4.7	86.1
	2425	10		5	82.5
500CWS-19	1515	24.5	970	4.9	131.2	Y355M2-6H 185	1722
	2020	22		5	144
	2425	19		5.1	147.5
500CWS-19A	1350	20	970	4.9	99.3	Y315L2-6H 132	1722
	1800	17		5	102.2
	2160	15		5.1	107.5
500CWS-13	1515	39	970	3.2	189.2	280	2210
	2020	35		4.5	218.6
	2425	29		6	225.3
500CWS-13A	1350	32	970	3.2	143.5	Y355M3-6H 200	2210
	1800	27		4.5	155.6
	2160	22.5		6	157.5
500CWS-8.5	1515	69	970		360	450	2340
	2020	59		4.5	391
	2425	45			371.5
500CWS-8.5A	1350	58	970		288	400	2340
	1800	49.5		4.5	323.5
	2160	39			318.5
500CWS-8.5B	1275	48	970		228.3	315	2340
	1700	40.5		4.5	253.2
	2020	32			248
500CWS-6	1620	114	970		644.8	800
	2020	98		4	678
	2340	79			680.3
500CWS-6A	1500	96	970		509.3	630
	1872	83		4	540
	2170	67			542.4
500CWS-6B	1400	86	970		431.4	560
	1746	74		4	452
	2020	59			432.8
600CWS-23			970			280
	3170	22		7.5	223

600CWS-23A			970			Y355M3-6H 200
	2880	18.2		7.5	168.5

600CWS-17.5	2520	37	970		295	400
	3170	32		7.5	310
	3960	22			279
600CWS-17.5A	2304	31.5	970		235	280
	2880	27		7.5	238
	3600	20			231
600CWS-13	2500	56	970		460	560
	3170	47		7.5	465
	3500	38			452.8
600CWS-13A	1980	46	970		318	450
	2920	40		6.5	361
	3240	37			380
600CWS-9			970			800
	3770	75		7.5	727

600CWS-9A			970			630
	2880	65		7.5	580

600CWS-9B	1800	60	970		367.6	560
	2710	55		6	477.5
	3060	51			531.3

Structure