Circulation Pump

Circulating pump Features: 1) Identification code: RS20/11 a) WRS screwed-end pump b) 20/connection size c)11 rated shut-off heads (m) 2) Technical data: a) Suitable fluids: heating water to VD12035 b) Heating water: i) Water/glycol mixtures max. mixing ratio: 1:1 c) Performance: i) Fluid temperature range: -10oC - +110oC ii) Max. working pressure: 10 bars iii) Ambient temperature: permissible up to 40oC d) Power: i) Main power: 1 - 230V, 50Hz e) Motor: i) Degree of protection: lp44 ii) Insulation class: F f) Construction materials: i) Pump body: cast iron ii) Impeller: PPO, stainless steel on request iii) Shaft: porcelain iv) Bearings: graphite or ceramic 3) Mounting positions: a) Pump shaft in the horizontal plane, terminal box b) Optional 3, 6, 9 or 12 o'clock 4) Pump equipment: a) Screwed end single head pump b) Manual 3-speed control c) Non-overloading single phase motor d) Cast iron body, 180mm port-to-port Pump model Power Flow L/min Head M Inlet/outlet IN GW kg W HP RS20/11(high) 165 0.22 32 11 1 4.2 RS20/11(middle 115 0.15 20 7 1 4.2 RS20/11(Low) 75 0.1 12 3.4 1 4.2