In 2021 the TRI-RAM models were redesigned. You can find information about the current model here: Roots 621 TRI-RAM
Flow Range: to 2688 CFM
Max Δ Pressure: 12 psi
Max Δ Vacuum: 16″ Hg
Maximum RPM: 3560
Minimum RPM: 640
Max ΔT: 230˚F
Connection: Rectangular or 10″ Flange
Shaft Dia.: 50mm
Drive End Lubrication: Oil
Gear End Lubrication: Oil
Weight: 996 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 621 is a replacement unit for the discontinued RAMX 500
ROOTS Tri-RAM Model 621 [OBSOLETE]
In 2021 this unit was redesigned. Find the current version here: Roots 621 TRI-RAM