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SPECIFICATION
Application: The GU OUTSIDE DROP serves to overcome elevation and approach angle differences between an incoming wastewater connection and the manhole.Allows for flexible watertight connections with up to 45° deflection of inlet pipe.This device reduces wastewater inflow energy and lessens turbulent entry into main channel flow, will reduce H2S emissions, odor and subsequent erosion / corrosion of manhole structure.
Design: Incorporates mounting flange and gasket to mount through the outside surface of the manhole riser.
Construction: Molded Polyethylene
Gasket: GU LIP SEAL design of polyisoprene, 40-45 durometer for approximately 0,5” annular space.
Installation: Precast Concrete / Masonry Manhole:The GU OUTSIDE DROP may be mounted on exterior of manhole through cored 12,1” Dia hole encapsulated in concrete either as a precast concrete assembly or as a field poured concrete construction.
Inlet Connection: Will accept 6” (DN 150) or 8” (DN 200) incoming gravity line connected with flexible Boot-Connectors with mounting acces of 12,1” Dia.
Drop Pipe Connection: Connects to 6” (DN 150) either PVC- or Ductile Iron Pipe.
Cleanout / Inspection Opening:

Larger opening allows for thorough visual inspection and maintenance access.