Products

Built in Breathing Valve

Built-in breathing valve for manhole cover is adopted M55 x 7.5 external thread connection. It meets the relevant requirements of standard GB 18564.1-2019. 

Applications:

Features & Benefits

Model Numbers

  • KT031-40MYS

Repair Parts

Downloads

  • Technical Drawing

Videos

Features & Benefits

Model Numbers

  • KT031-40MYS

Downloads

  • Technical Drawing

Videos