Contents Menu
Centrifugal Pump WCH-Series
High Head Centrifugal Pump – WCH-Series impeller for a single high tide. Suitable for general water Both in residential homes, factories, hotels and resorts are making ornamental garden fountain or in the wash Suitable for use With pressure tank And a pressure switch for automatic water systems.
Product Code Nomenclature
Features
Working Condtions
- Driven by high performance MITSUBISHI ELECTRIC two-pole induction motor Conformed with IEC 60034-1 and JIS C4210 standard. Totally enclosed fan cooled type IP55 protection.
Continuous rating with insulation class F. - Cast iron pump body and stainless (SUS304) pump shaft.
- Close-type stainless steel impeller provide high strength, rust-proof and frictionless rotation for high pumping efficiency.
- Selected ceramic-graphite mechanical seal for reliable sealing and provide longer service life time.
- Squirel cage induction motor with totally enclose fan-cooled type enclosure, IP 55 protection degrees, for outdoor use.
Class F insulation for continuously operate. Motor shaft is close-coupled with pump shaft. - Built-in thermal protector in 1/2HP to 1.5HP model
| Ambient Temperature | -20 ̴ +40˚C | |||||
|---|---|---|---|---|---|---|
| Ambient Humidity | 95% RH or less | |||||
| Operation Altitude | Less than 1,000 m. above sea level | |||||
| Environment | No bursting / erosive gas or vaper | |||||
| Pumped Liquids | Clean water, / household supply water. Non-aggressive water with pH ranger 5-9 and hot water with temperature not over than 60˚C Maximum suction depth 6 m |
|||||
| Voltage Supply | single phase, 220V ± 10% 50Hz Three phase, 380 - 415V 50Hz |
|||||
| Upon Request | Special Mechanical seal Other Voltage or Frequency Special cable length / Material |
|||||
Centrifugal Pump WCH-Series
Performance Range
- Power up to 3 HP (2.2kW)
- Flow Rate up to 160 L/min.
- Total Head up to 56m.
Application
- Supply water for domestic and civil application, especially for an automatic system with small and medium surge tank. Transferring water for decoration fountain, etc.
Impeller Selection
Stainless Steel (SUS304) projection welding impeller : For
ACH-375S, ACH-755S, ACH-1105S
Stainless Steel (SUS304) laser welding impeller : For
WCH-1505S/T, 2205S/T
- Provide highest accuracy
- Pass through 1,000,000 cycles running life test
- Provide 2 times welding strength than resistance welding
- Pass through 1,000,000 cycles running life test
Hydraulic Performance Curve
Performance Specifications
| MODEL | HP | Max. Current (A) | FLOW RATE | m3/Hr. | 0 | 1.2 | 2.4 | 3.6 | 4.8 | 6.0 | 7.2 | 7.8 | 8.4 | 9.6 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1ø, 220V 50Hz | 3ø, 220V/380V 50Hz | 1ø, 220V | 3ø, 380V | l/min. | 0 | 20 | 40 | 60 | 80 | 100 | 120 | 130 | 140 | 160 | ||
| ACH-375S | - | 0.5 | 3.2 | - | TOTAL HEAD (m.) |
24.7 | 21.5 | 19.1 | 15.7 | 11.9 | - | - | - | - | - | |
| ACH-755S | - | 1 | 7.3 | - | 37.7 | 34.8 | 33.1 | 31.7 | 29.2 | 25.3 | 17.5 | - | - | |||
| ACH-1105S | - | 1.5 | 8.4 | - | 40.3 | 36.8 | 34.9 | 33.5 | 31.3 | 28.4 | 23.0 | 16.4 | - | - | ||
| WCH-1505S | WCH-1505T | 2 | 14.0 | 4.9 | 48.3 | 47.8 | 46.6 | 44.8 | 42.2 | 38.8 | 30.4 | 26.2 | 21.9 | - | ||
| WCH-2205S | WCH-2205T | 3 | 16.8 | 5.7 | 56.4 | 52.4 | 50.7 | 49.0 | 46.5 | 43.4 | 38.1 | 34.3 | 30.4 | 21.2 | ||
Above performance data are intended for continuous work with water 20°C temperature and 1kg/cm3density, kinematics viscosity 1mm2/s,
atmospheric pressure (100 kPa). Operation test according to ISO 9906.
Dimensions
| MODEL | BORE SIZE (Inch) | DIMENSIONS (mm.) | WEIGHT (kg.) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ไฟสองสาย (1ø) | ไฟสามสาย (3ø) | DN1 | DN2 | a | f | h1 | h2 | n1 | n2 | w1 | w2 | s | 1ø | 3ø |
| ACH-375S | - | 1'' | 1'' | 42 | 231.7 | 85 | 214 | 135 | 171 | 77 | - | 12 | 7.8 | - |
| ACH-755S | - | 1'' | 1'' | 44 | 301.5 | 112 | 262 | 160 | 210 | 94 | - | 15 | 15.0 | - |
| ACH-1105S | - | 1'' | 1'' | 44 | 301.5 | 112 | 262 | 160 | 210 | 94 | - | 15 | 15.9 | - |
| WCH-1505S | WCH-1505T | 1 1/4'' | 1'' | 51.5 | 424.8 | 132 | 307 | 190 | 240 | 89 | - | 15 | 39.5 | 38.1 |
| WCH-2205S | WCH-2205T | 1 1/4'' | 1'' | 51.5 | 424.8 | 132 | 307 | 190 | 240 | 89 | - | 15 | 39.5 | 39.0 |