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Type21-2 5/8" T21-2.625" Mechanical Seals Replace to John Crane Mechanical Seal Type 21 Shaft Size 2 5/8 Inch1
Sealing Gaskets, Component Seals, Rubber Seal
Zhangjiagang Akman Seal Manufacturing Co., Ltd.
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Product Description AKM pump mechanical sealAlternative to: John crane type 21 seal/AES P04/ P04T seal/ Flowserve ( Pac-Seal) 110 seal/ Roten 21A seal/ SEALOL 43 CU Short/ / STERLING 212A /VULCAN 11 seal The Type 21 is ideal for use in centrifugal, rotary and turbine pumps, compressors, chillers and other rotary shaft equipment. It is also commonly used by the wastewater and water systems industries for applications such as waste treatment, potable water and HVAC.Operating Limits:Pressure: ≤10 Bar Temperature: -20oC~180oCSpeed: ≤ 12 m/s Material:Face: Carbon,SiC, SSiC, TC Seat: SiC, SSiC, TC Secondary Sealing: FKM/NBR/EPDMMetal: 304SS,316SS FeaturesThe drive band's "dent and groove" design eliminates overstressing of the elastomer bellows to prevent bellows slip and protect the shaft and sleeve from wear.Non-clogging, single-coil spring provides greater dependability than multiple spring designs and will not foul due to fluid contact.Flexible elastomer bellows automatically compensates for abnormal shaft-end play, run-out, primary ring wear and equipment tolerances.ParametersTEMPERATURE LIMITS-40°F to 400°F/-40°C to 205°C (depending on materials used) PRESSURE LIMITS150 psi(g)/10 bar(g) SPEED LIMITSUp to 2500fpm/13m/s, depending on configuration and shaft size Recommended ApplicationsProcess pumpsOther rotating equipment Riscky LiWebsite: http://akman2006.en.made-in-china.com
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