Sorry, this product is no longer offered for sale.
The 153D-4-100-2 Smart Exhaust Throttle Valve with Integrated Controller features a 3.875 in. (98 mm) nominal inside diameter and a size NW100 ISO-MF flange. The 153D "Smart" Exhaust Throttle Valve integrates all control, communication, and driver circuits via a compact "add-on" electronics module within a 253 Throttle Valve assembly, eliminating the need for a separate pressure control electronics module. The 153 is operable in two modes, flapper positioning or pressure control.