Leyon adawongolera NRR Puat Dutile Chitsulo chokhazikika pampando

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Leyon adawongolera NRR Puat Dutile Chitsulo chokhazikika pampando

Zigawo zazikulu

Zitsulo Zathupi: Chitsulo
- Kaonekeswe: Thupi limapangidwa kuchokera ku chitsulo chachitsulo, zinthu zomwe zimapereka mphamvu zapamwamba kwambiri, kukana mphamvu, komanso kusinthasintha kwachikhalidwe.
- Mau abwino:
  - Kukana Kukana Kwambiri Maganizo ndi Kugwedezeka.
  - Kupsinjika kwakukulu ndi kutentha kutentha kuposa imvi chitsulo.
  - Kukana kwabwinoko kuvunda (mwachitsanzo, ndi epoxy zokutira) kuti mugwiritse ntchito m'madzi amadzi.
Chipata (disc)
- Kaonekeswe: Chipata, chopangidwa ndi chitsulo chachitsulo chokha, chimayang'aniridwa kwambiri mu zinthu zolimba (nthawi zambiri epdm epdm) kupereka chidindo chopindika.
- Mau abwino:
  - Zinthu zokhazikika zimalola azolimba, zosindikiza zotsitsa.
  - Amachepetsa kuvala ndikung'amba chikhomo, kulima mphamvu komanso moyo wamoyo.
Tsinde (nrs)
- Kaonekeswe: Mosiyana ndi mavavu a tsinde, tsinde limakhazikika pomwe chipatacho chimasunthira uku ndi uku.
- Mau abwino:
  - Kapangidwe kamene kamasunga: Zabwino kukhazikitsa m'malo otetezedwa kapena masinthidwe apansi panthaka momwe malo ofumurira ali ochepa.
  - Zingwe zotetezedwa: Popeza ulusiwo ali mkati mwa thupi la valavu, samawoneka ngati dothi, kutukulamo, komanso kuwonongeka kwamakina.
Mpando wolimba
- Kaonekeswe: Mpando wotsalira nthawi zambiri umapangidwa kuchokera ku mphira (mwachitsanzo, EPDM), yomwe imawumba pachipata.
- Mau abwino:
  - Imapereka avatoffPopanda kulumikizana kwachitsulo.
  - Imachepetsa kutaya ndipo imapereka moyo wautali chifukwa chokana kwawo ku nyundo yamadzi ndi madzimadzi othamanga.
Bonnet ndi kachitidwe kolowera
- Kaonekeswe: Bonnet nthawi zambiri imakhala yolumikizidwa ndi thupi la valavu, ndi makina osindikizira omwe amagwiritsa ntchito ma o-mphete kapena ma gasketi kuti ateteze.
- Mau abwino:
  - Yosavuta kuwononga malo kuti akonze ndikukonza.
  - Kusindikiza koyenera kuteteza kutayikira mu thupi la valavu.
Kutetezedwa ndi Chitetezo cha Kuwonongeka
- Kaonekeswe: Ma vakisi achitsulo ophatikizikaophatikizidwa ndi epoxy (fbe)kapena zokutira zofananira kuteteza ku kututa, makamaka m'madzi am'madzi.
- Mau abwino:
  - Imaperekanso mphamvu yayikulu kwambiri.
  - Pamafunika kutsatira zakumwa zamadzi chitetezo chamadzi (mwachitsanzo, NSF / ANSI 61 Certification).