Unloading Assembly 4" x 3"

Part #: HSTTU4030A1

Salco Products (HSTTU4030A1) full 4” x 3” trailer unloading assembly. Features a 4” TTMA sump flange connection with a 3” diameter pipe run and outlet all constructed of Salco PE (UHMWPE). Assembly includes a low profile 90° elbow as well as 3” by 1” Parallel Instrument Tee. Fitting connections include a 3” polypropylene flange and quick disconnect coupler fitting with dust cap. 18-8 stainless steel hardware and 304 SS segmented washers included with assembly. 1” and 2” 150lb Black VITON A gaskets are provided. Sump and outlet butterfly valves sold separately. Overall elbow profiles, pipe run lengths, gasket material, and hardware available in various configurations.

Key Features

  • UHMWPE (Salco PE) construction provides superior corrosion and impact resistance. UHMWPE is six times more abrasion resistant than stainless steel and ten times more than carbon steel.
  • UHMWPE’s no-break properties means less downtime for repairs and the material outperforms others in cold weather climates.
  • Economical, flexible and lightweight; can be easily installed by one worker.
  • Designed and engineered to fit your trailer.
  • Fit most OEM configurations.
  • Concentric serrations on the flange enable positive sealing of gaskets and leak-free seal.
  • Available in a variety of sizes, flanges can be constructed to suit any inlet/outlet application.