BL Series Marine Horizontal Direct-coupled Centrifugal Pump

BL Series marine horizontal direct-coupled centrifugal pump, for the transport of water and physical and chemical properties similar to liquid water. This type of pump is BA type pump based on the improvement of the structure, has the advantages of small, light weight, simple structure and convenient handling characteristics. The performance parameters of BA pump with the same. Liquid temperature not exceeding 100℃, with mechanical seal. We produced BL type marine centrifugal pump impeller with silicon brass, a pump shaft is made of stainless steel, suitable for ships pumping bilge water, main and auxiliary cooling water, fire and other.

Overview

Structural Specifications

BL Horizontal.jpg

BL Vertical.jpg

Model Explanation 2BL (L) -6A

2—Inlet diameter 2 inch

BL—Marine horizontal direct-coupled centrifugal pump

L—Vertical

6—Specific speed divided by10

A(B)—Impeller processed with 1（2）time cutting

Performance Parameter

BL(L)	50HZ/2900RPM			60HZ/3500RPM			50HZ/60HZ
Type	Capacity (m3/h)	Head (m)	Motor power (kW)	Capacity (m3/h)	Head (m)	Motor power (kW)	Efficiency (%)	(NPSH)r (m)	Impeller dia. (mm)	Inlet/out dia. (mm)
11/2BL-6	6	20.3	1.5	7.2	29.2	2.2	44	6.6	128	40/32
	11	17.4		13.2	25		55.5	6.7
	14	14		16.8	20		53	6
11/2BL-6A	5	16	1.5	6	23	2.2	38	6.5	115	40/32
	9.5	14.2		11.4	20.4		51.5	6.9
	13.5	11.2		16.2	16		50	6.1
11/2BL-6B	4.5	12.8	1.1	5.4	18.4	1.5	35	6.4	105	40/32
	9	11.4		10.8	16.4		49	7
	13	8.8		15.6	12.6		45	6.3
2BL-6	10	34.5	4	12	49.7	7.5	50.6	8.7	162	50/40
	20	30.8		24	44.3		64	7.2
	30	24		36	34.5		63.5	5.7
2BL-6A	10	28.5	3	12	41	5.5	54.5	8.7	148	50/40
	20	25.2		24	36.3		65.6	7.2
	30	20		36	28.8		64.1	5.7
2BL-9	11	21	2.2	13.2	30.2	4	56	8	127	50/40
	20	18.5		24	26.6		68	6.8
	25	16		30	23		66	6
2BL-9A	10	16.8	1.5	12	24	3	54	8.1	117	50/40
	17	15		20.4	21.6		65	7.3
	22	13		26.4	18.7		63	6.5
3BL-6	30	62	15	36	89.3	22	54.4	7.7	218	80/50
	45	57		54	82.1		63.5	6.7
	60	50		72	72		66.3	5.6
	70	44.5		84	64		64	4.7
3BL-6A	30	45	11	36	64.8	18.5	55	7.5	192	80/50
	40	41.5		48	59.8		62	7.1
	50	37.5		60	54		64	6.4
	60	30		72	43.2		59	6
3BL-9	30	35.5	7.5	36	51	15	62.5	7	168	80/50
	45	32.6		54	47		71.5	5
	55	28.8		66	41.4		68.2	3
3BL-9A	25	26.2	5.5	30	37.7	7.5	63.7	7	145	80/50
	35	25		42	36		70.8	6.4
	45	22.5		54	32.4		71.2	5
3BL-13	32.4	21.5	4	38.8	31	7.5	76	6.5	132	80/50
	45	18.8		54	27		80	5.5
	52.2	15.6		62.6	22.7		75	5
3BL-13A	29.5	17.4	3	35.4	25	5.5	75	6	120	80/50
	39.6	15		47.5	21.6		80	5
	48.6	12		58	17.3		74	4.5
3BL-13B	28	13.5	2.2	33.6	19.4	4	63	5.5	110	80/50
	34.2	12		41	17.3		65	5
	41.5	9.5		49.8	13.7		62	4
4BL-12	65	37.7	15	78	54.3	22	72	6.7	178	100/80
	90	34.6		108	50		78	5.8
	120	28		144	40.3		74.5	3.3
4BL-12A	60	31.6	11	72	45.5	18.5	70	6.9	163	100/80
	85	28.6		102	41.2		76	6
	110	23.3		132	33.5		73.5	4.5
4BL-18	65	22.6	11	78	32.5	18.5	75	5	143	100/80
	90	20		108	28.8		78
	110	17.1		132	24.6		74
4BL-18A	60	17.2	5.5	72	24.8	11	74	5	130	100/80
	80	15.2		96	21.9		76
	95	13.2		114	19		71.1
4BL-25	54	17.6	5.5	64.8	25.3	7.5	70	5	126	100/80
	79	14.8		94.8	21.3		78
	99	10		118.8	14.4		67
4BL-25A	50	14	4	60	20.2	5.5	68.5	5	114	100/80
	72	11		86.4	15.8		75
	86	8.5		103.2	12.2		72