Series P1 is economical GreatLip® designs employed in a wide range of applications. They are used in lubricated and non-lubricated environments. They can be used at shaft speeds to 5000ft./min. in lubricated media and pressures to 75 PSID. Maximum PV 75,000 lubricated, 37,500 non-lubricated. Typical applications are: gear boxes and environmental seals.

Series P2 is modifications of Series P1 which offer longer life and improved sealing of gasses and abrasive media due to their higher lip load. They also offer additional runout capability. They can operati at speeds, pressure or greater as noted in Series P1, Recommended shaft hardness of 55HRC or greater when operating at the higher PV limits. Typical applications are: gear boxes, submersible pumps/ motors, and mixers.

Series P3 offer low torque and long life. They can be used at shaft speeds up to 6000ft/min. They are not recommended for pressures greater than 25 PSID. Due to light lip loading, this design should not be used where a leak tight seal is required. They are excellent environmental seals. Maximum PV 75,000 lubricated, 37,500 non-lubricated, 37,500 non-lubricated. Typical applications are: dust/dirt excluders, spindle and convever seals.

Series P4 incorporate spring loading which improves sealing where shaft runout or bore/shaft misalignment exist. These designs offer positive sealing during long term storage. They can be used at shaft speeds to 2000 ft./min. and pressures to 75 PSID. Maximum PV 75,000 lubricated, 37,500 non-lubricated. Typical applications are: mixers, gear boxes and augers.

Series P5 is designed for pressure up to 200 PSID in lubricating media, speed up to 3,500 ft./min. in lubricating media. Maximum PV 200,000 lubricated, 50,500 non-lubricated. Typical applications are: hydraulic motors, pumps, hydrostatic transmissions and other high pressure hydraulic equipment.