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水封

Water seal

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structure commins of integral seals





















































 



































































































































































styleAxis Dia(D1)hole dia of pump  shell(D2)working height(H)H1H2


C16A15.91836.4610.99.520.8


C20A205216.51029.5


C20B204216.51029.5





























Note







1.Use cylindrical spiral  spring.





2.Full interference  fiting structure.




















Part name Material chosen material code
retainer,bellows seat,springseatSUS304,1Cr18Ni9,SUS430

stationary  ringhot resin  carbon graphite(molded graphite)M

high strength impregnated graphite,high strength graphite  without being impregnated.S



high strength sintering impregnated graphite,high strength  sintering graphite without being impregnatedG


silicon carbide composite materialV

rotating  ringalumina ceramicA
silicon carbideH
silicon carbide composite materialV

springSUS304,1Cr18Ni9,1Cr18Ni9Ti,C  group carbon spring steel wire(chrome-plated parts)


auxliary ring,bellowsNBRN
H-NBRH














Material  chosen principals








Antifreeze TypeSpeedMating ring codePrimary ring code
organic acids series,phosphoric acids series,half-organic acids  series.Max6000rpm;φ12MA
Max8000rpm;φ12SorGAorH
Max12000rpm;φ12SorGH

silica series
VV














TemperatureRubberMaterial code
ordinary-35-100℃ Max110℃NBRN

ordinary-50-140℃ Max150℃H-NBRH