Detailed Description  Features:  1) Identification code: RS25/6G a) WRS screwed-end pump  b) 25/connection size  c) 6 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: -10 - +110°C  ii) Max. working pressure: 10 bars  iii) Ambient temperature: permissible up to 40°C 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  e) Cast iron body, 130mm port-to-port