C2-Sewage Pumps DN 32 to DN 600 - 2008.pdf

Sewage Pumps for Building ServicesSubmersible motor pumps without maceratorEquipment/function Wilo-Drain TP 50, 65, 80, 100, 150Operating modeS1 (permanent operation) ImmersedWilo-Drain …TP 50 (A) TP 65 (A) TP 80 TP 100 TP 150•(200 h/year)•(200 h/year)• • •Surfaced – – • • •S2 [min] 10 10 10 10 10S3 (intermittent operation) [%] 25 25 25 25 25Switching frequency/h maximum 70 40 20 20 20Switching frequency/h recommended 20 20 20 20 20ConstructionSealing on the motor end: Mechanical seal – – • • •Shaft seal ring • • – – –Sealing on pump side: Mechanical seal • • • • •Shaft seal ring – – – – –Oil barrier chamber • • • • •Submersible • • • • •Open single-channel impeller • • • • •Open multi-channel impeller – – • • •Vortex impeller • • • • •Turbulence apparatus – – – – –MaterialsMotor Stainless steel • • • • •Grey cast iron – – – – –Pump Composite • • • • •Grey cast iron – – – – –Impeller Stainless steel – – – – –ApplicationComposite • • • • •Grey cast iron – – – – –Wet sump installation Stationary • • • • •Portable • • • • •Mobile – – on request on request on requestDry sump installation Vertical – – • • •Horizontal – – on request on request on request• = available or authorised, – = not available or not authorised44 Subject to change without prior notice 09/2007 WILO AG