Grinder pumps, part of a high head wastewater range. The grinder mechanism, with its stationary cutting ring and rotaty knife, shreds the solids into small pieces.
| Model | Colour code curve | ø Discharge bore mm | Type of Fluid | Max. PH Value | Max. Capacity l/min | Max. Head m | Motor output kW | Phase / Voltage | Monitoring | |
|---|---|---|---|---|---|---|---|---|---|---|
| free standing | with guide rail fitting | |||||||||
| 40GY2.9S -50 | TOS50GY2.9S -50 | 1 | 40 (50) | Sewage | 6-14 | 258 | 19.50 | 0,9 | 1-phase / 230V / 50Hz | |
| 40GY2.9 -50 | TOS50GY2.9 -50 | 2 | 40 (50) | Sewage | 6-14 | 258 | 19.50 | 0,9 | 3-phase / 400V / 50Hz | |
| 50GY21.7S -50 | TOS50GY21.7S -50 | 3 | 50 | Sewage | 6-14 | 376 | 26.2 | 1,7 | 1-phase / 230V / 50Hz | |
| 50GY21.7 -50 | TOS50GY21.7 -50 | 4 | 50 | Sewage | 6-14 | 376 | 26.2 | 1,7 | 3-phase / 400V / 50Hz | |
| 40GY21.8 -50 | TOS50GY21.8 -50 | 5 | 40 (50) | Sewage | 6-14 | 320 | 28.2 | 1,8 | 3-phase / 400V / 50Hz | double leakage sensor (mechanical seals chamber and stator housing) 1 signal |
| 50GY23.0 -50 | TOS50GY23.0 -50 | 6 | 50 | Sewage | 6-14 | 290 | 33.6 | 3,0 | 3-phase / 400V / 50Hz | double leakage sensor (mechanical seals chamber and stator housing) 1 signal |
| 50GY24.0 -50 | TOS50GY24.0 -50 | 7 | 50 | Sewage | 6-14 | 271 | 42.5 | 4,0 | 3-phase / 400V / 50Hz | double leakage sensor (mechanical seals chamber and stator housing) 1 signal |
| 50GY25.5 -50 | TOS50GY25.5 -50 | 8 | 50 | Sewage | 6-14 | 503 | 46.3 | 5,5 | 3-phase / 400V / 50Hz | double leakage sensor (mechanical seals chamber and stator housing) 1 signal |
| 50GY27.5 -50 | TOS50GY27.5 -50 | 9 | 50 | Sewage | 6-14 | 503 | 53.2 | 7,5 | 3-phase / 400V / 50Hz | double leakage sensor (mechanical seals chamber and stator housing) 1 signal |
| ø Discharge bore mm | 40 (50) |
| Type of Fluid | Sewage |
| Max. PH Value | 6-14 |
| Max. Capacity l/min | 258 |
| Max. Head m | 19.50 |
| Motor output kW | 0,9 |
| Phase / Voltage | 1-phase / 230V / 50Hz |
| ø Discharge bore mm | 40 (50) |
| Type of Fluid | Sewage |
| Max. PH Value | 6-14 |
| Max. Capacity l/min | 258 |
| Max. Head m | 19.50 |
| Motor output kW | 0,9 |
| Phase / Voltage | 3-phase / 400V / 50Hz |
| ø Discharge bore mm | 50 |
| Type of Fluid | Sewage |
| Max. PH Value | 6-14 |
| Max. Capacity l/min | 376 |
| Max. Head m | 26.2 |
| Motor output kW | 1,7 |
| Phase / Voltage | 1-phase / 230V / 50Hz |
| ø Discharge bore mm | 50 |
| Type of Fluid | Sewage |
| Max. PH Value | 6-14 |
| Max. Capacity l/min | 376 |
| Max. Head m | 26.2 |
| Motor output kW | 1,7 |
| Phase / Voltage | 3-phase / 400V / 50Hz |
| ø Discharge bore mm | 40 (50) |
| Type of Fluid | Sewage |
| Max. PH Value | 6-14 |
| Max. Capacity l/min | 320 |
| Max. Head m | 28.2 |
| Motor output kW | 1,8 |
| Phase / Voltage | 3-phase / 400V / 50Hz |
| Monitoring | double leakage sensor (mechanical seals chamber and stator housing) 1 signal |
| ø Discharge bore mm | 50 |
| Type of Fluid | Sewage |
| Max. PH Value | 6-14 |
| Max. Capacity l/min | 290 |
| Max. Head m | 33.6 |
| Motor output kW | 3,0 |
| Phase / Voltage | 3-phase / 400V / 50Hz |
| Monitoring | double leakage sensor (mechanical seals chamber and stator housing) 1 signal |
| ø Discharge bore mm | 50 |
| Type of Fluid | Sewage |
| Max. PH Value | 6-14 |
| Max. Capacity l/min | 271 |
| Max. Head m | 42.5 |
| Motor output kW | 4,0 |
| Phase / Voltage | 3-phase / 400V / 50Hz |
| Monitoring | double leakage sensor (mechanical seals chamber and stator housing) 1 signal |
| ø Discharge bore mm | 50 |
| Type of Fluid | Sewage |
| Max. PH Value | 6-14 |
| Max. Capacity l/min | 503 |
| Max. Head m | 46.3 |
| Motor output kW | 5,5 |
| Phase / Voltage | 3-phase / 400V / 50Hz |
| Monitoring | double leakage sensor (mechanical seals chamber and stator housing) 1 signal |
| ø Discharge bore mm | 50 |
| Type of Fluid | Sewage |
| Max. PH Value | 6-14 |
| Max. Capacity l/min | 503 |
| Max. Head m | 53.2 |
| Motor output kW | 7,5 |
| Phase / Voltage | 3-phase / 400V / 50Hz |
| Monitoring | double leakage sensor (mechanical seals chamber and stator housing) 1 signal |
| ø Discharge bore mm | 40 (50) - 50 |
|---|---|
| Discharge Connection | Inside thread, flange |
| Type of Fluid | Sewage |
|---|---|
| Temperature | 0-40°C |
| Max. PH Value | 6-14 |
| Max. Capacity l/min | 258 - 503 |
| Max. Head m | 19.50 - 53.2 |
| Impeller | Grinder mechanism |
|---|---|
| Mechanical Seal | Single mechanical seal + Lip seal, Dual mechancial seal in oil bath |
| Impeller | Grey iron casting EN-GJL-250 |
|---|---|
| Casing | Grey iron casting EN-GJL-250 |
| Suction Plate | Chromium steel - X102 CrMo17 KU |
| Pump Body | Grey iron casting EN-GJL-250 |
| Mechanical Seal | Silicon Carbide |
| Motor output kW | 0,9 - 7,5 |
|---|---|
| Starting method | condensor, direct online |
| Type, Poles | Induction motor, 2 poles, IP68 |
| Insulation | Insulation class F, Insulation class H |
| Phase / Voltage | 1-phase / 230V / 50Hz, 3-phase / 400V / 50Hz |
| r.p.m. | 2794 - 2900 |
| Motor Protector (built-in) | Thermal protection, bimetal thermal protectors (Klixon) in series |
| Rated Current | 2.3 - 13.7 |
| Shaft | AISI 431 |
|---|---|
| Cable | H07RN-F 4G1, H07RN-F 3G1, S1RN8F 4G1, S1RN8F 4G1.5 + 3x1 |
| Cable Length | 10m |
| Dry Weight Kg | 21 - 68 |
|---|
| Model | A |
|---|---|
| 40GY2.9S -50 | - |
| 40GY2.9 -50 | - |
| 50GY21.7S -50 | - |
| 50GY21.7 -50 | - |
| 40GY21.8 -50 | - |
| 50GY23.0 -50 | - |
| 50GY24.0 -50 | - |
| 50GY25.5 -50 | - |
| 50GY27.5 -50 | - |
| Model | A |
|---|---|
| 40GY2.9S -50 | - |
| 40GY2.9 -50 | - |
| 50GY21.7S -50 | - |
| 50GY21.7 -50 | - |
| 40GY21.8 -50 | - |
| 50GY23.0 -50 | - |
| 50GY24.0 -50 | - |
| 50GY25.5 -50 | - |
| 50GY27.5 -50 | - |
GY-series is a submersible grinder pump designed for sewage disposal in systems with small pipe cross-sections, high delivery heads, and relatively low flow rates. It is particularly effective in pressure drainage systems located in topographically difficult areas. Thanks to its powerful grinding mechanism - featuring a rotary knife and stationary cutting ring - the GY pump breaks up solids in fractions of a second, allowing the use of pipes with small diameters. This significantly reduces material costs and simplifies the installation of sewage systems.
Equipped with a multi-channel open impeller, the GY-series benefits from the special conformation of its hydraulic part, which ensures the efficient expulsion of solids and prevents impeller fouling. This makes it a reliable solution for demanding environments, such as; Lifting of liquids containing fibres and filaments, Professional and industrial applications, Livestock farms, etc...
