Inzuzo ye-ductile iron manhole cover grate

• I-Ductile iron manhole cover grate
  

Yenziwe ngensimbi eyisicaba kanye nensimbi yesikwele esontekile noma insimbi eyisicaba eshiselwe kanye nensimbi eyisicaba.

Nazi ezinye zezici zabo

I-1, ukubukeka okuhle, ukudonsa amanzi, amandla aphezulu, imininingwane kanye nezindleko eziphansi.

2. Ukulwa nokweba.

3. Umthamo omuhle wokuthwala.

4.Umthamo oqinile wokudonsa amanzi.

Amaphuzu amabili okufanele anakwe lapho kufakwa i-ductile iron manhole cover grate:

① : Ukuze kuqinisekiswe izimfuneko eziyisisekelo zamandla, ngaphambi kokufaka i-grate yemvula, isisekelo sikasimende kufanele sibekwe.Bese ufaka i-grate yemvula kuyo.

② : ngemva kokufakwa kwe-grate yemvula, izikulufi eziqinisayo kufanele zifakwe nxazonke, futhi udaka lukasimende kufanele luthelwe ngaphansi kohlaka ukuze kuvinjelwe i-grate yemvula ukuthi ingawi ngenxa yezizathu ezahlukene.