In 2021 the TRI-RAM models were redesigned. You can find information about the current model here: Roots 416 TRI-RAM

Flow Range: to 1412 CFM
Max Δ Pressure: 12 psi
Max Δ Vacuum: 16″ Hg
Maximum RPM: 4450
Minimum RPM: 850
Max ΔT: 240˚F
Connection: Rectangular or 8″ Flange
Shaft Dia.: 35mm
Drive End Lubrication: Oil
Gear End Lubrication: Oil
Weight: 500 lbs

Optional detachable rugged steel mounting feet and adapters for inlet and discharge. If ordering a new unit, feet and adapters are typically needed. Replacement units are ordered without feet or adapters when the feet and adapters are already installed in the system.

The Tri-RAM 416 is a replacement unit for the discontinued RAMX 280