8 Inch Submersible Well Pump

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For projects requiring millions of liters per day, the 8SP95 is an 8 inch submersible well pump designed for maximum flow. Used where water volume is the primary requirement.

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Performance Parameters

Model number	Moter		Flow(n≈2850r/min)								Pump length (mm)	Pump weight (kg)	Ouet diameter
Model number	KW	HP	m³/h	0	60	80	90	95	100	110	Pump length (mm)	Pump weight (kg)	Ouet diameter
8SP95-01	5.5	7.5	Head (m)	21	16	14	13	12	11	9	392	11.8	DN100/DN125 4″/5″
8SP95-02	9.2	12.5		41	31	28	25	24	22	18	496	15.2
8SP95-03	13	17.5		61	47	41	38	36	33	28	600	18.6
8SP95-04	18.5	25		82	62	55	50	48	45	37	704	22.5
8SP95-05	22	30		102	78	69	63	60	56	46	808	25.9
8SP95-06	26	35		123	94	83	76	72	67	55	912	29.3
8SP95-07	30	40		143	109	97	88	84	78	64	1016	32.7
8SP95-08	37	50		163	124	111	100	96	89	75	1120	36.1
8SP95-09	37	50		184	140	124	113	108	101	83	1224	39.5
8SP95-10	45	60		204	156	138	126	120	112	93	1328	42.9
8SP95-11	45	60		225	172	152	139	132	123	101	1432	46.3
8SP95-12	55	75		246	188	166	151	144	135	111	1536	49.7
8SP95-13	55	75		267	203	179	164	156	146	120	1640	53.1
8SP95-14	63	85		287	218	192	177	168	157	129	1744	56.5
8SP95-15	63	85		306	234	207	189	180	168	138	1848	59.9
8SP95-16	75	100		326	249	221	202	192	179	147	1952	63.3
8SP95-17	75	100		347	265	234	214	204	190	156	2056	66.7
8SP95-18	90	125		368	281	247	226	216	201	165	2160	70.1
8SP95-19	90	125		388	297	261	239	228	212	174	2264	73.5
8SP95-20	90	125		408	312	276	252	240	224	184	2368	76.9

Conditions of Use

Parameter	Value
Water temperature	≤ 35°C
pH value of water source	6.5 – 8.0
Solid content (weight ratio)	≤ 0.01%
Maximum particle diameter	≤ 0.2 mm
Maximum diving depth	≤ 150 m

Q-P and Q-H Curves

Momentum Management

High-volume water flow generates significant physical force. The 8 inch submersible well pump is designed to manage this momentum through three key features:

High kinetic energy

Moving large volumes of water per minute creates strong momentum that must be controlled.

Momentum-stabilized hydraulics

Internal flow channels prevent hydraulic shock and internal recoil during high-volume operation.

High-mass structural casing

Each stage is encased in reinforced AISI 304/316 stainless steel to withstand friction and internal pressure from high-velocity flow.

Piping Recommendations

Standard hookup
Use DN125 for direct connection.

Upgrade above wellhead
Expand to 6-inch (DN150) pipe for long runs or energy savings. Lowers velocity, cuts friction loss, extends system life.

Water hammer control
Internal design reduces pressure surges during starts and stops.

Close-up of the DN125 (5-inch) stainless steel discharge outlet.

Cutaway view of the internal check valve in an 8 inch submersible well pump designed for water hammer control and surge dampening.

Cutaway view of the internal check valve in a well pump.

8 inch submersible well pump discharge piping expanding from DN125 to DN150 to reduce water velocity and friction loss.

Expand discharge from DN125 to DN150 to reduce velocity and friction loss.

Cross-section diagram showing an 8 inch submersible well pump installed inside a well casing with a DN125 riser pipe.

Cross-section diagram showing an well pump installed inside a well casing.

Heavy-Duty Applications

A floating, heavy-duty industrial pump barge with an enclosed yellow engine compartment and a large blue pump, actively dewatering and extracting sediment from a water source, suitable for applications alongside an 8 inch submersible well pump.

Mine dewatering / flood recovery

Rapid evacuation for safety and asset protection.

Aerial view of a massive water treatment plant featuring numerous circular clarification tanks and rectangular aeration basins, surrounded by trees, capable of processing groundwater extracted by an 8 inch submersible well pump network.

Reservoir filling

Primary intake for metropolitan reservoirs, using off-peak power.

Cooling & fire suppression

High volume for refinery cooling loops and industrial fire systems.

Contact Us

0086 18383291703

info@hualuopumps.com

No. 399, Antai Street, Economic Development Zone, Neijiang City, Sichuan Province, China.