8SK 77 50 Hz Submersible Pump | 8" Stainless Steel | SLEKA

Primary Applications

Irrigation systems

Drip, sprinkler, and flood irrigation systems

Raw-water supply

Municipal and rural raw water sourcing

Pressure boosting

Building and process pressure boosting

Groundwater lowering

Dewatering for construction and mining

Industrial applications

Process water, cooling, and utility applications

Performance Curve

Tested per ISO 9906:2012 Grade 3B. Curves shown at n = 2900 rpm (50Hz) / 3500 rpm (60Hz) using clean water at 20°C, kinematic viscosity 1 mm²/s. Tolerance per ISO 9906 Annex A.

All Variants — 26 configurations

Model	Motor (kW)	Motor (HP)	Total Head (m) at Q [m³/h]											Height (mm)	Weight (kg)
			0	10	20	30	40	50	60	70	80	90	100
8SK 77-1	5.5	7.5	21	21	20	18	17	15	14	13	12	10	7	620	20.8
8SK 77-2-B	5.5	7.5	33	32	31	29	27	25	22	20	16	12	7	748	24.4
8SK 77-2	7.5	10	41	40	39	36	33	31	28	26	23	18	13	748	24.4
8SK 77-3-B	9.3	12.5	53	52	51	48	44	40	37	33	28	22	14	876	28
8SK 77-3	11	15	61	60	58	55	50	46	42	39	34	28	20	876	28
8SK 77-4-B	13	18	73	72	70	66	61	56	51	46	40	31	21	1004	31.6
8SK 77-4	15	20	81	80	78	73	68	62	57	52	46	38	27	1004	31.6
8SK 77-5	18.5	25	100	100	97	92	85	78	72	66	58	47	34	1132	35.2
8SK 77-6	22	30	120	120	116	110	102	94	86	78	69	56	41	1260	38.8
8SK 77-7	26	35	140	140	136	129	119	110	101	92	81	66	48	1388	42.4
8SK 77-8-B	26	35	152	151	147	139	129	118	108	98	85	68	48	1516	46
8SK 77-8	30	40	160	160	156	147	137	126	116	105	93	76	55	1530	46
8SK 77-9	30	40	179	179	174	164	152	140	129	117	103	85	61	1658	53.4
8SK 77-10	37	50	199	199	194	184	171	157	145	132	117	96	69	1786	57
8SK 77-11	37	50	218	218	212	201	186	172	158	144	127	104	74	1914	60.6
8SK 77-12	45	60	242	243	237	225	209	193	178	163	145	120	88	2042	64.2
8SK 77-13	55	75	264	264	258	245	228	211	195	178	159	132	98	2170	67.8
8SK 77-14	55	75	283	284	277	263	245	226	209	191	170	141	104	2298	71.8
8SK 77-15	55	75	303	303	296	281	262	242	223	204	181	150	110	2426	75
8SK 77-16	63	85	324	325	317	301	281	259	239	219	195	162	119	2554	78.6
8SK 77-17	63	85	343	344	336	319	297	274	253	232	206	171	126	2682	82.2
8SK 77-18	63	85	363	363	355	337	314	290	267	244	217	180	132	2810	85.8
8SK 77-19	75	100	383	384	376	357	332	307	283	259	230	191	140	2938	89.4
8SK 77-20	75	100	402	404	395	375	349	322	297	271	241	200	146	3066	93
8SK 77-21	75	100	422	424	415	394	366	338	312	285	253	210	153	3194	96.6
8SK 77-22	93	125	442	444	435	413	384	354	327	298	265	220	161	3322	99

Construction & Materials

Bill of Materials

Diffuser: Stainless Steel (AISI 304)
Impeller: Stainless Steel (AISI 304)
Pump Shaft: Stainless Steel (AISI 431)
Coupling: Stainless Steel (AISI 304)
Strainer: Stainless Steel (AISI 304)
Valve Cap: Stainless Steel

Every standard pump is manufactured entirely from AISI 304 stainless steel sheet metal with NEMA standard motor mounting. The delivery casing includes a built-in non-return valve to prevent backflow and minimize water hammer.

Exploded View & MOC

8SK 77 exploded view and bill of materials

Operating Conditions

Voltage	380-415 V (+6%/-10%)
Frequency	50 Hz
Max Water Temperature	50°C
Max Sand Content	50 g/m³
Max Starts per Hour	20
Degree of Protection	IP 68
Rotation Direction	Clockwise from coupling side
Standards Compliance	ISO 9906:2012 Grade 3B

Special Construction Options

Available on factory order

AISI 316 stainless steel on request
NPT thread connection on request

Discuss Custom Requirements

Other 8" Pumps in This Series

8SK 95

50 Hz

Max Flow: 122 m³/h
Max Head: 423m
Power Range: 5.5–93 kW

View Details

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8SK 77 50 Hz