Feature1
The outer surface of Riser has furrows and hoops, so height can be controlled instantly at 2" intervals from 23 ⅝" to 33 7/16".
Feature2
The round body promotes durability to endure deformation and damage caused by earth pressure.
Feature3
Rubber sealed inlet and outlet facilitates connection with pipes and prevents water leakage well.
Feature4
A handle on the cover promotes convenience in use while checking.
Patent application: No. 10-0662666
Product Size
Height: 23 ⅝" to 33 7/16“
(add 11 13/16" for each risers)
2 Inlets Diameter : 3 15/16“
1 Outlet Diameter : 5 15/16“
(In-Outlet Diameter can be custom-made upon your request.)
Materials
Body: PP(Kopelen)
Cover: PP(Kopelen) or Casting(Ductile)
