| Identification Code : |
|
| E. G：WRS20/6-130 |
| WRS |
Rotor-shielded hot water circulating pump |
| 20 |
Connection size |
| 6 |
Rated shut-off head[m] |
| 130 |
Pump body length |
| Fields of Application ： |
| Central heating installations
Industrial circulating systems
Circulation systems |
Technical Data ：
| SuitableFluids |
|
| Heating water to VDI 2035 |
|
| Water/glycol mixtures |
Max mixing ratio 1：1 |
| Hydraulic corrections required for mixing ratio above 20% |
| Performance |
|
| Speed range |
1100-2200 r. p. M |
| Manual 3-speed control |
|
| Fluid temperature range |
-10℃~+110℃ |
| Max. Working pressure |
10 bar |
| Ambient temperature |
|
| Permissible up to |
40℃ |
| Power |
|
| Mains power |
1~230V, 50/60Hz |
| Motor |
|
| Degree of protection |
IP 42 |
| Insulation class |
F |
| Construction Materials |
|
| Pump body |
Cast iron/brass |
| Impeller |
GF-PP |
| Shaft |
Stainless steel |
| Bearings |
Graphite |
| |
