Katswiri Woteteza, Wosunga Mphamvu komanso Wosunga Zinthu Zachilengedwe

Kukhetsa valavu dongosolo nthunzi-madzi

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Zogulitsa

Lembani  Kukhetsa valavu
Chitsanzo  PJ661Y-500 (I) V, PJ661Y-630 V, PJ661Y-P54290 (I) V, PJ661Y-P61310 V
Mwadzina mwake  Zamgululi

 Chogwiritsidwacho chimagwiritsidwa ntchito popanga madzi otentha kapena chopangira mpweya wa mphamvu yamafuta yamagetsi (kopitilira muyeso wapamwamba). 

  1. Thupi la valavu limagwiritsa ntchito dongosolo lonse lopangira.
  2. Kusindikiza mtundu wa thupi la valavu ndi bonnet kumatengera mawonekedwe osindikiza okha.
  3. Kusindikiza pamwamba pa mpando wa valavu kuli ndi Stellite 6 alloy build-up welding.
  4. Kusindikiza pamwamba pa disc ya valavu kumakhala ndi kuwotcherera kwa Stellite 12 alloy.
  5. Ndi kupindika (kapena annular kuthamanga kuchepetsa poyambira) kutsogolo kwake, kusindikiza pamwamba kumatha kuteteza tinthu ndi zodetsa m'mapaipi kuti zisawononge malo osindikizira potseka kwa valavu.
  6. Gawo losindikiza limatenga magawo awiri opondereza kupsinjika komwe kumachepetsa kapangidwe kake komanso kupsyinjika kwapakati kumachepetsa sitepe ndi sitepe kuti muteteze cavitation ndikukwapula kuti zisawononge kusindikiza.

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