Rotary Seal Design Guide - Seals Unlimited

Catalog EPS 5350/USAIntroductionProTech Bearing IsolatorsApplications88Chemical Resistance ApplicationsAdvanced proprietary PTFE compounds meanProTech is well suited for caustic environmentssuch as citric acids found in juice processing andstrong sulfides in pulp and paper processing.ProTech’s superior chemical resistance allows forthe standardization of a single material within aplant, eliminating the need to stock duplicate sizesin expensive stainless steel, Hastelloy ® or otherexotic materials. PTFE is compatible with over 160chemicals vs. 11 for bronze and 30 for stainlesssteel.Food Processing ApplicationsProTech’s uniquedesigns and superiorperformance are “eating thecompetition’s lunch” in thefood processing market. TheWD is an economical profilefor high volume, disposableequipment such as washdown grade motors anddrives. It also greatlyreduces maintenance costsand downtime in food processing applicationssuch as picker hubs in poultry processing. Antimicrobialand FDA materials are readily available.Pumps, Motors and Gearbox ApplicationsThe isolatorprotection you rely onfor protecting bearingsin pumps and motors isalso available forgearbox applications.ProTech 360 is a hybriddesign that incorporates an outboard labyrinth forcontaminant exclusion and PTFE lip technology forpositive oil retention, even in vertical downapplications. ProTech 360 is used by numerousOEMs for their most demanding gearboxapplications.Quality CommitmentProTech is manufactured under strict qualitycontrol processes — from raw material selection tofinished product. The highest quality and absoluteconsistency from lot-to-lot are assured by:• Our many years of seal manufacturingexperience• Use of only first-grade virgin PTFE resins• Sophisticated system for controlling criticalsintering process• Specialized CNC production equipment• QS-9000 certification03/28/068-2 Parker Hannifin CorporationEPS DivisionToll Free: (800) 233-3900www.parkerseals.com