Pump Catalogue Booklet 1118.5-10 Riotherm® Service Water Circulator Pumps Fields of Application Hot-water supply systems Cooling circuits General industrial systems Swimming pools Medium Handled Clean water and liquids not chemically or mechanically aggressive to the pump materials. Operating Data Q up to 10 m3/h, 2.8 l/s H up to 6 m pd up to 10 bar t -2 up to +110 °C Designation Riotherm R 2 2 - 5 E Type series Pump casing material (G = cast iron, R = bronze) Pipe union Rp 1 3 = Pipe union Rp 1 1/4 2-pole motors Max. motor rating P2 in watt : 10 Single-phase alternating current (D = three-phase current) Design Dry rotor pump (mechanical seal), screw-union type, with constant speed. Shaft Seal Mechanical seal. Materials Volute casing Cast iron or bronze Discharge cover Chrome nickel steel Shaft Chrome nickel steel Impeller Plastic Bearings Grease-lubricated deep-groove ball bearings. Drive Surface-cooled three-phase squirrel-cage motor 230/400 V or single-phase a.c. motor, 230 V, IP 44.

Riotherm 3 Outline Drawing Dimension Table Riotherm a b b1 c h h1 G R 22-5/-8 211 158 90 246 180 90 2 1 32-12 211 158 90 246 180 90 2 1 1/4 Pump Accessories Union Pipe end Pump end Ident No. ~kg Union end (1 per unit) *) with soldered / threaded end brass with soldered / threaded end brass with internal thread gunmetal with internal thread, reducing brass with internal thread malleable cast iron with internal thread malleable cast iron Union nut Gasket 28 mm/Rp 1 35 mm/Rp 1 1/4 Rp 1 1/4 Rp 1 Rp 1 Rp 1 1/4 for G 2 for G 2 for G 2 for G 2 for G 2 for G 2 for G 2 for G 2 00 105 249 L 00 104 002...

In-line design for easy installation and simple pipeline layout Plastic impeller, optimized hydraulics Reliable mechanical seal, uncooled and maintenance-free Volute casing made of cast iron or bronze Powerful three-phase or a.c. motor Very low-noise deep-groove ball bearings, sealed for life 1118.5-10 / 1.8.2003 Subject to technical modification without prior notice. Riotherm