API Between Bearing Type Multistage Centrifugal Pumps

Model:BB4

API Between Bearing Type Multistage Centrifugal Pumps are horizontal single-casing multistage pumps, specifically designed for extreme operating conditions such as high temperature and high pressure. They are meticulously crafted by a professional team. The manufacturing process adheres to strict standards and precision procedures, with quality strictly controlled to ensure excellent product quality.

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Product Description

The API between-bearing type multistage centrifugal pump features a volute-shaped pump casing supported at the centerline. The impellers are symmetrically arranged to automatically balance the axial force, eliminating the need for complex balancing mechanisms such as balance discs or balance drums. The inlet and outlet are located at the bottom of the casing, allowing for disassembly and installation without moving the inlet and outlet pipelines. The inner core adopts an axially split structure, with the impellers symmetrically arranged back-to-back, eliminating the traditional balancing device. This makes it safer and more reliable when transporting media containing particles. It is an ideal choice for efficient and stable transportation in the industrial field.

Application Areas

Horizontal multistage centrifugal pumps are mainly used in oil extraction, petrochemical industry, chemical industry, coal chemical industry, pipeline transportation, seawater desalination, power plants, etc. They can also be used as ash water pumps and lean methanol transfer pumps in the coal chemical industry, high - pressure hydraulic energy recovery turbines in the chemical industry, and lean and rich liquid pumps in fertilizer and ammonia synthesis plants.

Operating Conditions

1. Flow rate: 10 - 1500 m³/h

2. Head: up to 3000 m

3. Inlet and outlet diameters: [minimum diameter] - [maximum diameter] mm

4. Temperature range: -40°C - 200°C

5. Pressure: 10 MPa - 35 MPa

6. Maximum rotational speed: 6000 r/min

Performance Parameter Diagrams

Pump Model	Impeller Diameter mm		Flow Rate (m³/h)	Head (m)	(%)	NPSH (m)	MEftor Power r=1(kw)	Pump Mode	lmpeller Diameter mm		Flow Rate (m³/h)	Head (m)	Eff (%)	NPSH (m)	Motor Power r=1(kw)
25-50 X3	Max	217	40	130.5	51.4	2.4	37	60-50 X6	Max	217	50	318	55	1.8	90
25-50 X3	Min	185	35	93	49.4	2.4	30	60-50 X6	Min	180	40	240	53	1.8	75
25-50 X4	Max	217	40	174	51.4	2.4	45	60-50 X7	Max	217	50	371	55	1.8	110
25-50 X4	Min	185	35	124	49.4	2.4	30	60-50 X7	Min	180	40	280	53	1.8	75
25-50 X5	Max	217	40	217.5	51.4	2.4	55	60-50 X8	Max	217	50	424	55	1.8	110
25-50 X5	Min	185	35	155	49.4	2.4	37	60-50 X8	Min	180	40	320	53	1.8	75
25-50 X6	Max	217	40	261	51.4	2.4	75	60-50 X9	Max	217	50	477	55	1.8	132
25-50 X6	Min	185	35	186	49.4	2.4	45	60-50 X9	Min	180	40	360	53	1.8	90
25-50 X7	Max	217	40	304.5	51.4	2.4	75	60-50 X10	Max	217	50	530	55	1.8	132
25-50 X7	Min	185	35	217	49.4	2.4	55	60-50 X10	Min	180	40	400	53	1.8	110
25-50 X8	Max	217	40	348	51.4	2.4	90	60-50 X11	Max	217	50	583	55	1.8	160
25-50 X8	Min	185	35	248	49.4	2.4	55	60-50 X11	Min	180	40	440	53	1.8	110
25-50 X9	Max	217	40	391.5	51.4	2.4	110	60-50 X12	Max	217	50	636	55	1.8	185
25-50 X9	Min	185	35	279	49.4	2.4	75	60-50 X12	Min	180	40	480	53	1.8	110
25-50 X10	Max	217	40	435	51.4	2.4	110	60-50 X13	Max	217	50	689	55	1.8	200
25-50 X10	Min	185	35	310	49.4	2.4	75	60-50 X13	Min	180	40	520	53	1.8	132
25-50 X11	Max	217	40	478.5	51.4	2.4	132	60-50 X14	Max	217	50	742	55	1.8	220
25-50 X11	Min	185	35	341	49.4	2.4	75	60-50 X14	Min	180	40	560	53	1.8	132
25-50 X12	Max	217	40	522	51.4	2.4	132	100-70 X3	Max	254	103.3	214.8	68	2.9	110
25-50 X12	Min	185	35	372	49.4	2.4	90	100-70 X3	Min	216	80	159	65	2.9	75
25-50 X13	Max	217	40	565.5	51.4	2.4	160	100-70 X4	Max	254	103.3	286.4	68	2.9	160
25-50 X13	Min	185	35	403	49.4	2.4	90	100-70 X4	Min	216	80	212	65	2.9	90
25-50 X14	Max	217	40	609	51.4	2.4	160	100-70 X5	Max	254	103.3	358	68	2.9	185
25-50 X14	Min	185	35	434	49.4	2.4	110	100-70 X5	Min	216	80	265	65	2.9	110
60-50 X3	Max	217	50	159	55	1.8	55	100-70 X6	Max	254	103.3	429.6	68	2.9	220
60-50 X3	Min	180	40	120	53	1.8	30	100-70 X6	Min	216	80	318	65	2.9	132
60-50 X4	Max	217	50	212	55	1.8	75	100-70 X7	Max	254	103.3	501.2	68	2.9	250
60-50 X4	Min	180	40	160	53	1.8	45	100-70 X7	Min	216	80	371	65	2.9	160
60-50 X5	Max	217	50	265	55	1.8	75	100-70 X8	Max	254	103.3	572.8	68	2.9	280
60-50 X5	Min	180	40	200	53	1.8	55	100-70 X8	Min	216	80	424	65	2.9	185

Pump Mode	lmpeller Diameter mm		Flow Rate (m³/h)	Head (m)	Eff (%)	NPSH (m)	Motor Power r=1(kw)	Pump Model	mpeller Diameter mm		Flow Rate (m³/h)	Head (m)	Eff (%)	NPSH (m)	Motor Power r=1(kw)
100-70 X9	Max	254	103.3	644.4	65	2.9	315	300-180 X5	Max	385	300	939	72.2	4.346	1250
100-70 X9	Min	216	80	477	63	2.9	185	300-180 X5	Min	328	230	710	70.2	4.346	710
100-70 X10	Max	254	103.3	716	65	2.9	355	300-180 X6	Max	385	300	1127	72.2	4.346	1600
100-70 X10	Min	216	80	530	63	2.9	220	300-180 X6	Min	328	230	852	70.2	4.346	900
100-70 X11	Max	254	103.3	787.6	65	2.9	400	450-150 X3	Max	380	443	480	78	5.8	900
100-70 X11	Min	216	80	583	63	2.9	250	450-150 X3	Min	320	340	336	76	5.8	500
100-70 X12	Max	254	103.3	859.2	65	2.9	450	450-150 X4	Max	380	443	640	78	5.8	1120
100-70 X12	Min	216	80	636	63	2.9	250	450-150 X4	Min	320	340	448	76	5.8	630
180-100 X3	Max	312	180	330	68	3.43	280	450-150 X5	Max	380	443	800	78	5.8	1400
180-100 X3	Min	265	153	237	66	3.43	185	450-150 X5	Min	320	340	560	76	5.8	800
180-100 X4	Max	312	180	440	68	3.43	355	450-150 X6	Max	380	443	960	78	5.8	1800
180-100 X4	Min	265	153	316	66	3.43	220	450-150 X6	Min	320	340	672	76	5.8	1000
180-100 X5	Max	312	180	550	68	3.43	450	650-150 X3	Max	380	610	477.9	78	6.2	1120
180-100 X5	Min	265	153	395	66	3.43	280	650-150 X3	Min	320	440	324	76	6.2	630
180-100 X6	Max	312	180	660	68	3.43	560	650-150 X4	Max	380	610	637.2	78	6.2	1600
180-100 X6	Min	265	153	474	66	3.43	355	650-150 X4	Min	320	440	432	76	6.2	800
180-100 X7	Max	312	180	770	68	3.43	630	650-150 X5	Max	380	610	796.5	78	6.2	2000
180-100 X7	Min	265	153	553	66	3.43	400	650-150 X5	Min	320	440	540	76	6.2	1000
180-100 X8	Max	312	180	880	68	3.43	710	650-150 X6	Max	380	610	955.8	78	6.2	2240
180-100 X8	Min	265	153	632	66	3.43	450	650-150 X6	Min	320	440	648	76	6.2	1250
180-100 X9	Max	312	180	990	68	3.43	800	800-180 X3	Max	415	800	570	80	8	1800
180-100 X9	Min	265	153	711	66	3.43	500	800-180 X3	Min	353	660	366	78	8	1000
180-100 X10	Max	312	180	1100	68	3.43	900	800-180 X4	Max	415	800	760	80	8	2500
180-100 X10	Min	265	153	790	66	3.43	560	800-180 X4	Min	353	660	488	78	8	1250
300-180 X3	Max	385	300	563.4	72.2	4.346	710	800-180 X5	Max	415	800	950	80	8	3150
300-180 X3	Min	328	230	426	70.2	4.346	450	800-180 X5	Min	353	660	610	78	8	1600
300-180 X4	Max	385	300	751.2	72.2	4.346	1000
300-180 X4	Min	328	230	568	70.2	4.346	560

Type Spectrum Diagrams

Api Between Bearing Type Multistage Centrifugal Pumps

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Address

Via Luigi Galvani 21/C 20019 Settimo Milanese Mi Italy
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Tel

+39-02-2247-7576
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E-mail

sales@teffiko.com

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