Structure Description

Pump casing: adopts excellent hydraulic model design, horizontal suction and horizontal discharge, open center structure, maintenance and repair does not require disassembly of inlet and outlet pipes, flanges can be drilled according to American and metric standards.
Impeller: closed double-suction impeller, symmetrical arrangement to balance axial force, adopts excellent hydraulic model design to ensure pump performance and efficiency, assembly forward action balance test to ensure smooth operation of the double suction pump.
Pump shaft: specially designed structure, only the same shaft is used for forward and reverse rotation.
Shaft seal: divided into packing seal and mechanical seal (conventionally use unbalanced mechanical seal, when the working pressure of the pump is greater than 1.6MPa, the mechanical seal uses balanced mechanical seal, which should be specially noted when ordering). The shaft seal cooling water directly uses the conveying medium, and no external cooling water is required. Please clearly state the shaft seal method when ordering.
Bearing: Grease-lubricated ball bearings are used at both ends of the single stage double suction centrifugal pump, which is convenient for maintenance.

Application

Single stage double suction centrifugal pump is used to transport liquids in water plants, power stations, industrial water supply systems, air conditioning circulating water, building water supply, irrigation, pumping stations, shipbuilding industry, etc.

It can also transport crude oil, gasoline, diesel and other petroleum products and other similar liquids with a temperature not higher than 80 degrees Celsius.

Features

High efficiency and energy saving: The high-efficiency hydraulic model is developed and designed using excellent hydraulic design software and CFX fluid simulation analysis software, which meets the efficiency and reliability requirements of double suction pump centrifugal pumps under design and non-design conditions to the greatest extent, reaching the international advanced level.

Durable: The pressure chamber and the impeller are reasonably matched, and the force model of the rotor is fully improved. The internal force state of the pump is fundamentally eliminated from the hydraulic design, and the damage that vibration and noise may cause to the pump is eliminated.

Beautiful appearance: Using UG, SolidWorks, CAE and other three-dimensional drawing software, modern industrial modeling theory is used for modular design and finite element strength analysis. While ensuring the practicality, ease of operation and high reliability of the product, it pays attention to the appearance design and surface quality, and improves the humanistic spirit function of the single stage double suction centrifugal pump.

Easy maintenance: There is no need to disassemble the system pipeline during maintenance. Just open the pump cover and motor to take out the rotor for maintenance. The specially designed anti-loosening structure of the impeller prevents the sleeve from loosening. If the customer requires to change the position of the motor, there is no need to replace parts. It can be achieved by re-disassembling on site, which is very convenient for maintenance.

Working conditions

Outlet diameter: DN150~DN1400
Flow range: 60~20000 m³/h
Lift range: 15~150m
Operating temperature: -15ºC ~ 120ºC
Solid particles: ≤80mg/l

Main parts materials

Name	Material designation
Pump case/ Pump cover	HT250,QT150-12
Pump case/ Pump cover	ZG230-450,SS304 or SS304L
Impeller	HT250,QT450-12
Impeller	Bronze C95200,ZG230-450,SS304 (L) or Dual-phase steel
Shaft	SS420,SS431
Bearing housing	HT250 or ZG230-450
Sealing ring	HT250,ZG230-450,SS304 or Bronze C95200

structure drawing

double suction impeller

Part Code	Part Name	Part Code	Part Name
1	Round nut	13	Filler
2	Bearing	14	Packing ring
3	Skeleton oil seal	15	Packing gland
4	Mechanical seal gland	16	Water retaining ring
5	O-Ring	17	Bearing body
6	Mechanical seal	18	Axis
7	Pump casing	19	Bearing gland
8	Machine seal sleeve	20	key
9	Sealing ring	21	External cooling water system
10	Impeller	22	Set screw
11	Impeller flat key	23	Bolt
12	Packing sleeve	24	O-Ring

Actual application diagram

pereormance table

Model	Capacity		Head	Speed	Power(KW)		Efficiency	NPSHR
	m³/h	l/s	m	r/min	Shaft	Motor	%	m
150-50	130	36.1	52	2950	24.5	37	75	4.5
	160	44.4	50		27.6		79
	216	60	40		32.7		72
150-50A	116	32.2	40		17.6	30	72	4.5
	140	38.9	39		19.8		75
	180	50	35		23.2		74
150-50M	65	18.1	13	1450	3.2	5.5	72	4.5
	80	22.2	12.5		3.6		76
	108	30	10		4.3		69
150-78	126	35	81	2950	39.7	55	70	4.5
	160	44.4	78		45.9		74
	180	50	76		51		73
150-78A	112	31.1	62.5		28	45	68	4.5
	140	38.9	60		31.8		72
	180	50	55		38.5		70
150-78M	63	17.5	20.3	1450	5.2	7.5	67	4.5
	80	22.2	19.5		6		71
	99	27.5	18.4		7.3		68
200-42	216	60	48	2950	34.9	45	81	6
	280	77.8	42		38.1		84
	342	95	35		40.2		81
200-42A	198	55	43		30.5	37	76	6
	270	75	36		33.1		80
	310	86.1	31		34.4		76
200-42M	108	30	12	1450	4.5	5.5	78	6
	140	38.9	10.5		4.9		81
	171	47.5	8.8		5.3		78
200-63	216	60	69	2950	54.1	75	75	5
	280	77.8	63		59.3		81
	351	97.5	55		68.3		77
200-63A	180	50	51		33.3	55	75	5
	245	68.1	48		41.6		77
	324	90	37.5		44.7		74
200-63M	108	30	17.3	1450	7.1	11	72	5
	140	38.9	15.8		7.7		78
	175	48.6	13.8		8.9		74
200-95	216	60	100	2950	84	132	70	5
	280	77.8	95		94.1		77
	324	90	85		105.6		71
200-95A	198	55	92.5		73.3	110	68	5
	268	74.4	87		84.7		75
	310	86.1	81		92.4		74
200-95B	198	55	76		58.5	75	70	5
	245	68.1	72		64.9		74
	288	80	67.5		73.5		72
200-95M	108	30	25	1450	11	15	67	3.5
	140	38.9	23.8		12.3		74
	162	45	21.3		13.8		68
250-14	360	100	16	1480	19.9	30	79	3.8
	485	134.7	14		21.8		85
	576	160	12		22.7		83
250-14A	320	88.9	11		13	18.5	74	3.8
	420	116.7	10		14.1		81
	504	140	8.6		14.7		80.5
250-24	360	100	27		33.1	45	80	3.5
	486	135	23.5		36.2		86
	576	160	19		36.3		82
250-24A	342	95	22.2		25.8	37	80	3.5
	414	115	20.3		27.6		83
	482	133.9	17.4		28.5		80
250-39	360	100	42.5		54.8	75	76	3.8
	485	134.7	39		62.1		83
	612	170	32.9		69.4		79
250-39A	324	90	33		39.3	55	74	3.8
	420	116.7	29		42.5		78
	540	150	23		44.5		76
There are many Single Stage Double Suction Centrifugal Pump models, please fill in the maximum model below. If you need a complete model list, please contact us for the catalog.
1400-55	12000	3333	64	595	2485	3000	85	7.6
	16500	4583	55		2690		93
	17800	4944	52		2770		92
1400-55A	12960	3600	54	595	2265	2500	84	7.6
	15840	4400	47		2315		87.5
	17820	4950	41		2360		85
1400-55B	12000	3333	45.5	595	1850	2000	80	7.4
	14400	4000	39		1830		84
	16450	4569	33		1840		80