Installation, operation, maintenance and repair instructions for Tuthill KT-150, KT-300, KT-500 and KT-850 single‑stage rotary piston vacuum pumps.
The KINNEY® KT™ series includes the KT-150, KT-300, KT-500 and KT-850 single‑stage, tri‑plex rotary piston vacuum pumps. They are designed for reliable, long‑term service in industrial vacuum applications.
This manual covers safety conventions, lifting, detailed description, installation steps, electrical connections, lubrication, operation procedures, routine maintenance, troubleshooting, parts identification, warranty information and a product registration form.
| Free Air Displacement (CFM) | KT-150 150, KT-300 300, KT-500 490, KT-850 780 |
|---|---|
| Motor Power (HP) | KT-150 7.5, KT-300 15, KT-500 30, KT-850 40 |
| Rotation Speed (RPM) | KT-150 1055, KT-300 870, KT-500 721, KT-850 581 |
| Oil Capacity (US gal.) | KT-150 6/5, KT-300 10/8.5, KT-500 15/12.5, KT-850 28/25 |
| Cooling Water Flow (GPM) | KT-150 1, KT-300 1.5, KT-500 2.5, KT-850 3.5 |
| Ultimate Pressure (microns) | 10 microns for all models |
| Typical Noise Level at 0.1 Torr (dBA) | KT-150 71, KT-300 72, KT-500 73, KT-850 75 |
The pumps use Tuthill KV100 oil, which is shipped with the pump and should be used for initial filling and service.
The KT-500 model is rated for a maximum rotation speed of 721 RPM.
The KT-850 pump typically produces 75 dBA noise at 0.1 Torr.