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SPECK Y-2951-W-MK magnetically coupled regenerative turbine pump

Magnetically coupled regenerative turbine pump for circulation and process loops. Select hydraulics, materials and motor for the medium, required flow and head. Mass depends on motor, materials and configuration. Lettered dimensions are in mm; “–” preserves an unstated table value. The 50/60 Hz plots show hydraulic alternatives and do not replace duty-point verification. Non-self-priming configuration.

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Technical parameters

Ratings and geometry source: SPECK 1096.1088 / 02/2016 / p.12
Source check: 2026-11-07

Configurations and specifications

Configuration	Technical parameters	IMPA correspondence
56 · 0.12 kW / 50 Hz · G 1/4	Motor frame in sheet: 56 Tabulated phases; agree supply: 1 / 3~ Frequency and speed — 50 Hz: 50 Hz / 2800 min⁻¹ Motor power — 50 Hz: 0.12 kW Frequency and speed — 60 Hz: 60 Hz / 3400 min⁻¹ Motor power — 60 Hz: 0.12 kW Suction / discharge connection: G 1/4 / G 1/4 Magnetic-coupling torque in table: 0.9 Nm Catalogue mass: 5 kg Sheet maximum water temperature: 140 °C Sheet maximum oil temperature: 160 °C Drawing: A: 90 mm Drawing: AB: 106 mm Drawing: B: 70 mm Drawing: BB: 90 mm Drawing: H: 56 mm Drawing: HA: 6 mm Drawing: HD1: 120 mm Drawing: HD2: 145 mm Drawing: K: 7 mm Drawing: LB: 168 mm Drawing: h3: 98 mm Drawing: w: 116 mm Drawing: z: 259 mm	A direct IMPA code is not confirmed
63 · 0.25 kW / 50 Hz · G 1/4	Motor frame in sheet: 63 Tabulated phases; agree supply: 1 / 3~ Frequency and speed — 50 Hz: 50 Hz / 2800 min⁻¹ Motor power — 50 Hz: 0.25 kW Frequency and speed — 60 Hz: 60 Hz / 3400 min⁻¹ Motor power — 60 Hz: 0.25 kW Suction / discharge connection: G 1/4 / G 1/4 Magnetic-coupling torque in table: 0.9 Nm Catalogue mass: 6 kg Sheet maximum water temperature: 140 °C Sheet maximum oil temperature: 160 °C Drawing: A: 100 mm Drawing: AB: 120 mm Drawing: B: 80 mm Drawing: BB: 100 mm Drawing: H: 63 mm Drawing: HA: 7 mm Drawing: HD1: 140 mm Drawing: HD2: 158 mm Drawing: K: 7 mm Drawing: LB: 184 mm Drawing: h3: 105 mm Drawing: w: 132 mm Drawing: z: 287 mm	A direct IMPA code is not confirmed

Selection and applicability

Ratings and geometry follow factory sheet 12, SPECK 1096.1088, printed revision 02/2016. This is an archived catalogue configuration; confirm the current article, materials, motor, supply, duty point and availability before order. SPECK’s current official site announces the transition to Circutec; newer-document ratings are not applied to this edition. No exact IMPA code is confirmed. HD1 refers to the flat terminal box; HD2 to the high terminal box.

Photographs and drawings

**Y-2951-W-MK / YS-2951-W-MK — dimensional drawing**Factory sheet 12, SPECK 1096.1088. Lettered dimensions follow the selected execution table. This is not the agreed installation drawing for a specific delivery.

**Y-2951-W-MK / YS-2951-W-MK — 50/60 Hz characteristic curves**Factory sheet 13, SPECK 1096.1088. Curves for water at 20°C and nominal speed: head/flow tolerance ±10%; power tolerance +10%. Confirm motor and hydraulics at the duty point; chart limits are not simultaneous Q/H ratings.

Include with your enquiry

Fluid, temperature, viscosity and solids
Flow and pressure at the duty point; operating cycle
Materials, seals, threads and available power or compressed air

Related sections

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