Double Load Line Box

At Secure Enviro we want to make sure that your company is equipped with the correct load line box to get the job done right and efficiently. The Double (M- Medium) Load Line Boxes come in a variety of models to best fityour existing equipment but we are also to accommodate requests for different valve sizes and configurations.

Our double boxes also come with a range of additional features such as interior insulation and adjustable support legs.

Double (M) Box Models*

  • M-Model, 2” x 2” Double Valve, Threaded Assembly
  • M-Model, 2” x 2” Double Valve, Welded Assembly
  • M-Model, 3” x 3” Double Valve, Threaded Assembly
  • M-Model, 3” x 3” Double Valve, Welded Assembly
  • Other valve sizes and configurations available upon request

Standard Features

  • Powder Coated Enclosure
  • Camlock Fitting
  • Ported Nipple
  • Suction Valve
  • Sample Valve
  • Ground Lug
  • Latching Lid
  • Lockable
  • MTRS
  • Leak tested containment
  • Removable back panel for easy installation & servicing of valves
  • Flanges are CL150 (unless otherwise noted or discussed)
  • Built with quality throughout

Optional Features

  • Radiography of welded piping, 10% or 100%
  • MPI of TOLs & Fillet Welds
  • Various valve options upon request
  • Interior Box Insulation
  • Adjustable Support Legs


All Secure EnViro load line spill containment boxes come complete with our removable back access panels for the easiest service and installation load line box on the market. See our installation guide.

*Note: Standard S-Model Boxes are typically available IN STOCK!