Type Series Booklet 1144.52/2-10 Trialine Z In-line Twin Pumps Fields of Application F Heating systems F Air-conditioning systems F Cooling circuits F Water supply systems Medium Handled Liquids not chemically or mechanically aggressive to the pump materials. Operating Data Q up to 90 m3/h, 25 l/s Single-pump operation up to 120 m3/h, 33 l/s Parallel operation H up to 16 m t --15°C to +120 °C pd up to 10 bar 1) 1) The sum of inlet pressure and shutoff head must not exceed the value indicated. Designation Trialine Z 65 - 125 / 11 2 .2 Type series Twin pump Pump size Nom. dia. suction/discharge nozzle Approx. impeller diameter Motor rating in kW x 10 (example: 1.1 kW) Number of poles Design Twin pump type of the Trialine series; one pump head serves as stand-by pump (integrated change-over flap) or, where required, as additional pump in case of peak loads (parallel pump operation). Shaft Seal Uncooled mechanical seal in carbon/SiC design (BQEGG) Materials Volute casing Cast iron EN-GJL-200 2) Discharge cover Cast iron EN-GJL-250 3) Impeller Noryl GTX 4) / Cast iron EN-GJL-200 2) Shaft Chrome nickel molybdenum steel 1.4404 2) to EN 1561 (was GG-20) 3) to EN 1561 (was GG-25) 4) for pump sizes 32-... Drive Surface-cooled three-phase squirrel-cage motor, 230/400 V, IP 54, thermal class F, design IMB5, with extended shaft and special flange. With PTC thermistor. Bearings Grease-lubricated deep-groove ball bearings.

Trialine Z 11 Horizontal installation, flow direction from bottom to top Horizontal installation, flow direction from top to bottom. The pumps can be directly installed in the piping in any position, but not with the motor pointing downwards. Vertical installation Horizontal installation (for example under the ceiling) Twin pumps must not be arranged in ’flow direction from top to bottom’, since under certain operating conditions the change-over flap of the Y-pipe will not shut off completely. This would produce reverse flow in the second pump. In this case, changeover from the first to the second...

1144.52/2-10 / 1.1.2007 Subject to technical modifications without prior notice. Trialine Z