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In order to visit and remove the possible blockage of sewer pipes, inspection valve should be installed in the following places.

  • At the highest point of each horizontal branch
  • In the place of change of length of more than 45 degrees of horizontal sewer pipes
  • In the lowest part, before the lower knee of the vertical sewer pipe
  • On the horizontal main pipe, immediately after exiting the building

Specifications

استاندارد
INSO 9119-1 :ایران
BS EN 1329-1 :اروپا
سایزحوزه کاربردضخامت(mm)حوزه کاربردضخامت(mm)سفتی حلقه ای(SN)رنگ
110B3/2BD3/24طوسی