Description
Application
The ECH-D cold water pump is applicable to household water supply, equipment support, pipeline pressurization, garden watering, vegetable greenhouse watering, fish farming and poultry raising, industrial and mining, water supply and drainage in high-rise buildings, and central air conditioner systems.
Pump
– AISI 304 shaft.
– Max. Liquid temperature: +40℃.
– Altitude: up to 1000m.
– Max. Suction: 8m.
– Max. Inlet pressure: limited by max. Operating pressure.
– Max.operation pressure: 8 bar
-Liquid PH value: 6.5-8.5
Motor
– Motor with copper winding.
– Built-in thermal protector for single phase motor.
– Insulation class: F.
– Protection class: IP55.
– Max. ambient temperature: +40℃.

ECH(m)2-20-D Technical Data
| Model | Power | Q(m³/h) | 0.6 | 1.2 | 1.8 | 2.4 | 3.0 | 3.6 | ||
| kW | HP | Q(l/min) | 10 | 20 | 30 | 40 | 50 | 60 | ||
| ECH(m)2-20-D | 0.37 | 0.5 | H(m) | 16 | 15 | 13 | 12 | 10 | 8 | |
| ECH(m)2-30-D | 0.37 | 0.5 | 24 | 22 | 20 | 18 | 16 | 12 | ||
| ECH(m)2-40-D | 0.55 | 0.75 | 33 | 30 | 26 | 24 | 21 | 16 | ||
Hydraulic Performance Curves


ECH(m)4-20-D Technical Data
| Model | Power | Q(m³/h) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | ||
| kW | HP | Q(l/min) | 17 | 33 | 50 | 67 | 83 | 100 | 117 | ||
| ECH(m)4-20-D | 0.55 | 0.75 | H(m) | 17 | 16 | 15 | 13 | 12 | 10 | 8 | |
| ECH(m)4-30-D | 0.55 | 0.75 | 27 | 25 | 23 | 21 | 19 | 16 | 13 | ||
| ECH(m)4-40-D | 0.75 | 1.0 | 36 | 34 | 32 | 28 | 26 | 22 | 17 | ||
Hydraulic Performance Curves for ECH-D Cold Water Type Stainless Steel Horizontal Centrifugal Pump

Material Table of ECH-D Cold Water Type Stainless Steel Horizontal Centrifugal Pump

| No. | Part | Material |
| 1 | Pump body | Cast iron |
| 2 | Shaft end sleeve | AISI304 |
| 3 | Snap ring | PTFE |
| 4 | Diffuser | AISI304 |
| 5 | Impeller | AISI304 |
| 6 | Sleeve | AISI304 |
| 7 | Mechanical Seal | Ceramic/Silicon carbide |
| 8 | Fan cover | 08F |
| 9 | Fan | PP |
| 10 | Rear cover | ZL102 |
| 11 | Bearing | |
| 12 | Stator | |
| 13 | Rotor | |
| 14 | Outlet body | Cast iron |
| 15 | Collar | PTFE |
| 16 | Support | PTFE |

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