TYPE 9/9T 9 PTFE Wedge Seals

1 TYPE 9/9 TPTFE Wedge Seals9/9TA Face/Primary RingB Secondary SealC RetainerD DiscE Snap RingF Set ScrewsG SpringnTemperatures:9:-212 C to 400 C/-350 F to 750 F9T:-59 C to 260 C/-75 F to 500 F(depending on materials used.)nPressures:Up to 24 bar g/350 psignSpeeds:25 mps/5000 fpmPerformance CapabilitiesProduct DescriptionType 9 Seals are standard for use where corrosiveliquids are being processed. ptfe Wedge constructionof the secondary sealing element provides virtuallyuniversal service application. A snap ring holds allparts together in a unitized construction design whicheases installation and service in chemical processing, food processing,marine, nuclear service, offshore oil and refinery,petrochemical processing, pharmaceutical, power generation, pulp and paper, wastewater, and waterdesalination FeaturesnMechanical Drive reduces slippage on shaft orsleeve to eliminate galling and premature Sealing Member available in ptfe and flexi-ble graphite materials.

2 Creates positive seal for use inextreme temperature/chemical Lapped Sealing Faces lapping processresults in high precision finish with optimal Size/D Working Height(inches) (N) number of pins (D12) pin diameterPin press fit into collar or impeller. Engages holes inretainer. Design option standard on Type 9 Seals ease of installation, the lead-in edge of theshaft or sleeve should be chamfered as " WORKINGHEIGHTD3 seal holding clipsafter installing seal on SHAFT "32 Type 9 Dimensional Data (inches)Type 9 Typical Arrangement/Dimensional DataTYPE 9/9 TPTFE Wedge Seals9 " L45D11 PINSeal Size/DWorking Height(inches) 9T Dimensional Data (inches)Type 9T Typical Arrangement/Dimensional DataTYPE 9/9 TPTFE Wedge SealsFor ease of installation, the lead-in edge of theshaft or sleeve should be chamfered as " WORKINGHEIGHTD3 seal holding clipsafter installing seal on SHAFT " " CUT LINE FOR SHORT PAGETYPE 9/9 TPTFE Wedge SealsCarbon vs.

3 TC or SIC(3600 rpm)Carbon vs. Ceramic(3600 rpm)Pressure (psig)Pressure (bar g) seal Size01234560(inches)(mm)2550751001251504 00300200100028211470 Basic Pressure RatingsThe Basic Pressure Rating is for a standard Type 9 or 9T seal , as shown in the typical arrangement, when installed according tothe criteria given in this data sheet and generally accepted industrial Basic Pressure Rating assumes stable operation at 3600 rpm in a clean, cool, lubricating, nonvolatile liquid, with an adequateflush rate. When used with the Multiplier Factors, the Basic Pressure Rating can be adjusted to provide a conservative estimate of the dynamic pressure rating. For process services outside this range or a more precise assessment of the dynamic pressurerating, contact john crane for more Tungsten CarbideSiC = Silicon CarbideTo determine the maximumpressure for the size Type 9 andType 9T seal required, multiplythe maximum pressure by thefactors in Multiplier Factors Chartto obtain the maximum Factors Example for Determining Pressure Rating Limits: seal : 51 mm/2 inch diameter Type 9 Product: WaterFace Material: Carbon vs.

4 Tungsten CarbideTemperature: 16 C/60 FSpeed: 3600 rpmUsing the Basic Pressure Rating chart, themaximum pressure would be 24 bar g/350 the Multiplier Factors chart, apply themultipliers for the specific service requirements todetermine the maximum operating pressure forthe bar g/350 psig x 1 x .67 x 1 = 16 bar g/235 psig At 3600 rpm with the service conditions noted, a51 mm/2 inch diameter Type 9 seal has amaximum operating limit of 16 bar g/235 operating pressure exceeds the PV limit, consultyour john crane Sales/Service Engineer.* Multiplier = 3600/new speedExample:If new speed = 4000 rpmMultiplier = 3600/4000 = ConsiderationsMultiplierSpeedUp to 3600 Above 3600 rpm** seal FluidGasoline, Kerosene or FluidBelow 79 C/175 79 C to 121 C/175 F to 250 121 C to 177 C/250 F to 350 177 C/350 9/9 TPTFE Wedge SealsSEAL COMPONENTSMATERIALSD escription StandardOptionsFace/Primary RingCarbonCarbon (Nuclear Service)Carbon Severe (Chemical Service)Tungsten Carbide (Nickel Binder)Solid Silicon CarbideWedgePTFEF lexible GraphitePTFE-FilledDisc316 Stainless SteelMonel Set ScrewsAlloy 20 CB-3 SSRetainerHastelloy B Snap RingAlloy C-276 (UNS N10276)TitaniumSprings316 Stainless SteelMonelAlloy 20 CB-3 SSHastelloy BAlloy C-276 (UNS N10276)

5 TitaniumMaterials of ConstructionHastelloy B is a registered trademark of Hayes is a registered trademarkof Inco Alloys International, Inc. TYPE 9/9 TPTFE Wedge SealsSecondary Sealing Temperature LimitsCriteria for InstallationFor your nearest john crane facility, please contact one of the locations the products featured will be used in a potentially dangerous and/or hazardous process, your john crane representative should be consulted prior to their selection and use. In the interest of continuous development, john crane Companies reserve the right to alter designs and specifications without prior notice. It is dangerous to smoke while handling products made from ptfe . Old and new ptfe products must not be incinerated. 2007 john crane Inc. Print 01 9001, ISO 14001, ISO/TS 16949 CertifiedS-9/9 TEuropeSlough, UKTel: 44-1753-224000 Fax: 44-1753-224224 NorthAmericaMorton Grove, Illinois USA1-800-SEALINGTel: 1-847-967-2400 Fax: 1-847-967-3915 Latin AmericaS o Paulo, BrazilTel: 55-11-3371-2500 Fax: 55-11-3371-2599 Middle East, Africa, AsiaDubai, United Arab EmiratesTel: 971-4-3438940 Fax: 971-4-3438970 Shaft/SleeveLimitsSurface Finish32 RaOvality/Out of "(Shaft)End Play/+ "Axial Float AllowanceCompoundTemperature( C) -200-1000100200300400 ptfe -59 C to 260 C-75 F to 500 FPTFE-Filled-212 C to 260 C-350 F to 500 FFlexible-212 C to 400 CGraphite-350 F to 750 F( F) -400-2000200400600800