Riovar/Riovar Z - KSB - #1

Text version of the page

Energy efficiency class see technical data Type Series Booklet 1111.5/2-10 Riovarr/Riovarr Z Circulator Pumps with Manual Speed Selection Applications F Hot-water heating systems F Heat recovery systems Fluid Handled Clean water or water treated in accordance with the relevant regulations, not containing aggressive, abrasive or solid substances. Water with commercial antifreeze agents based on glycols (mixture ratio max. 1 : 1) with inhibitors (antirust). If the glycol content exceeds 20 %, the operating data have to be checked and verified. Operating Data Screw-ended pumps Flanged pumps Rp 1 and 1 1/4 DN 32 to 100 Q up to 6.2m3/h, 1.7 l/s up to 80 m3/h, 22.2 l/s H up to 3.4m up to 16 m P1 up to 170 W up to 3500 W p 10 bar 6 bar, 10 bar on option t +20oC up to +130 oC (For temperature limit values please refer to the pump variant table on page 12) Designation Riovar -- Z 4 4 -- 8 E Type series Twin pump Nominal diameter in cm 4-pole motors Max. motor rating P2 in watt : 10 Single-phase alternating current (D = three-phase current) Design Riovar: Maintenance-free wet rotor pump (glandless), flanged or screw-ended, four speed levels. Riovar Z: Riovar twin pump design for standby operation (integrated swing check valve) or peak-load operation on option (parallel operation). Bearings Medium-lubricated special plain bearings. Materials Volute casing Cast iron EN-GJL-250 1) with cataphoretic dip paint Shaft Chrome steel X46Cr13 Impeller Plastic Bearings Special carbon, metal-impregnated 1) to EN 1561 (previously GG-25) Drive *) Canned motor, IP 42, thermal class F 1~230 V, 50 Hz 3~400 V, 50 Hz *) If a frequency inverter (included in the hyatronic mb standard design) is used for speed control (available for motor size 18 and above), make sure that the motor voltage is sinusoidal. Fit a sine filter, if required. Special Design See pump variant table on page 12.