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GRUNDFOS SPE 77

Category : Grundfos SPE submersible pumps

Max. TDH: 230m - Max. flow rate: 90m3/h - IPM motor 8"

The SPE 77 is a Grundfos 8" submersible pump with an internal permanent-magnet (IPM) motor and variable speed. Pump efficiency 78%, full stainless-steel construction. Driven by a CUE frequency converter (mains) or a solar pump inverter (RSI). Discharge connection Rp 5.

SPE 77-1 4.0 kW 56.2 kg	SPE 77-2 9.2 kW 73.4 kg	SPE 77-3 13 kW 77.6 kg
SPE 77-4 18.5 kW 81.8 kg	SPE 77-5 22 kW 101.0 kg	SPE 77-6 26 kW 105.2 kg
SPE 77-7 30 kW 109.4 kg	SPE 77-9 37 kW 132.8 kg	SPE 77-11 45 kW 141.2 kg
Solar pumping systems for reliable Water Supply in Africa

The Grundfos SPE range gathers submersible pumps with an internal permanent-magnet (IPM) motor and variable speed. The SPE 77 covers a flow rate up to 90 m³/h and a head (TDH) up to 230 m, with a pump efficiency of 78%.

The MS6000P permanent-magnet motor delivers 8 to 10% higher efficiency than an equivalent asynchronous motor, for reduced energy consumption and a longer service life. The construction is entirely in stainless steel (EN 1.4301 standard, EN 1.4401 or EN 1.4539 optional for corrosive environments).

The IPM motor is synchronous: it requires a frequency converter. The SPE 77 operates with the Grundfos CUE frequency converter on a three-phase mains supply, or with a solar pump inverter for stand-alone photovoltaic pumping.

Applications: drinking-water supply, agricultural and horticultural irrigation, groundwater lowering, boosting and constant-pressure systems. Connection Rp 5, diameter 8".

SINES Export is a distributor, wholesaler and exporter specialising in Grundfos SPE submersible pumps. Our teams support installers, resellers and distributors worldwide (Africa, Maghreb, Middle East).

Solar pumping SPE + RSI: paired with the Grundfos RSI solar pump inverter, the SPE 77 adapts its speed in real time to the available solar irradiance, with no battery and no grid. Ideal for solar / off-grid / rural electrification projects.

You can switch the solar inverter to mains power or generator if required, because our drives are compatible to both AC and DC power input without the need to change any parameter settings.

SINES - Grundfos SPE 77 - performance curves 3000 rpm

Performance curves of the SPE 77 — 3000 rpm, ISO 9906:2012 Grade 3B (source: Grundfos data booklet). Max. TDH: 230 m — max. flow rate: 90 m³/h.

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SINES - Grundfos SPE - range performance ranges (3000 rpm)

Performance ranges of the Grundfos SPE submersible pump range — 3000 rpm, ISO 9906:2012 Grade 3B - Source: https://www.grundfos.com/

References & article codes

Grundfos SPE 77 range — three-phase submersible pumps 3 x 380 V, 50 Hz, with an MS6000P permanent-magnet submersible motor — to be paired with a Grundfos CUE frequency converter. Price and availability on request.

Article code	Designation	P2 [kW]	In [A]	Motor type
99890629	SPE 77-1	4	9.6	MS6000P
99890630	SPE 77-2	9.2	21.4	MS6000P
99890631	SPE 77-3	13	29.2	MS6000P
99890632	SPE 77-4	18.5	40.6	MS6000P
99890633	SPE 77-5	22	46.2	MS6000P
99890634	SPE 77-6	26	54	MS6000P
99890635	SPE 77-7	30	61.8	MS6000P
99890636	SPE 77-9	37	85.6	MS6000P
99890637	SPE 77-11	45	103	MS6000P

SINES - Grundfos RSI - solar pump inverter

Installation example showing solar panels, solar pump inverter, submersible pump and water tank - Source: http://www.grundfos.com/

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