Number of Results: 56
A straight-sided, vented roof curb for use on pitched roofs in kitchen applications. 20, 24, 26, or 30 in. height, varies by size 2 or 5 in. flashing flange
A straight-sided curb for use on buildings constructed with metal roofing material (corrugated or standing seam). This curb can be pitched to match the roof slope. 8 to 42 in. heights 8 in. flashing flange
Pipe portal curbs are used to provide a weather tight seal for pipes penetrating the roof structure. They are typically used for VRF systems. Three styles of pipe portals are available: boot style, hood style, or hood/boot combo style. The boot style can seal up to 5 pipes and diameters ranging fro
The Variable Geometry Nozzle (VGN) automatically adjusts to maintain the specified discharge velocity as lab airflow varies. This safely prevents re-entrainment in the make-up air unit and provides energy savings through lower fan speeds in reduced lab flow situations without introducing bypass air
Stand-alone VFDs supplied with Vektor fans. Sized and factory programmed with supplied motor information along with maximum speed per the supplied motor and fan construction. System control signal and operation of the fan speed, as well as other systems components such as isolation and bypass damper
The Vektor System Control (VSC) package offers a pre-engineered, stand-alone controller for laboratory exhaust fans. Components and sequences of operation easily integrate Greenheck Vektor exhaust fans into a variable or constant volume lab exhaust system. Duct pressure modulation, fan speed, redund