Return Air Grilles
14x25 return air grille
| Brand | shengtongJH |
|---|---|
| Nominal opening W × H | 14 × 25 in / 355.6 × 635 mm |
| Frame dimensions | Overall size agreed separately from the neck opening |
| Material choices | Aluminium frame/core or powder-coated steel |
| Face construction | Fixed louvers within a removable or hinged assembly |
| Hinge selection | Side or bottom arrangement according to service clearance |
| Retention | Accessible latch or captive screw detail |
| Mounting base | Continuous stable perimeter frame |
| Finish | White, grey or selected coating |
| Filter provision | Optional dedicated track with separately identified filter dimensions |
| Use | Indoor commercial return-air and industrial support spaces |
Hinge direction and access depth are configuration choices, not implied by the size designation. Verify the complete opening and removal envelope.
Hinges, latches, border dimensions and filter arrangements can be customized to the installation and service route.
A 14x25 return air grille offers a narrow portrait format for commercial wall returns and service enclosures. A hinged or removable face can provide access behind the opening when the surrounding layout leaves enough clearance for the selected mechanism.
A narrow face still needs room to open
A tall grille often sits beside a cupboard, column or access door. If its face is hinged, the neighbouring object can prevent it opening far enough to reach a filter or inspect the plenum. Draw the open position as well as the closed outline before selecting the hinge side.
A removable core may be preferable when swing space is limited, provided it can be lifted out safely and retained during servicing. Choose that approach with the maintenance team rather than relying only on a clean front elevation.
Fix to a stable perimeter
The mounting frame needs support around the opening. Pulling a long thin face against an uneven surface can distort the latch alignment and make the door difficult to close. Correct the support plane and keep fixings accessible so the assembly can be adjusted without damaging the surrounding finish.
Keep filtration a defined option
A hinged grille is not automatically a filter grille. If filtration is required, specify the retaining track, sealing arrangement and selected filter. The hinge should give access to those parts without requiring the filter to bend around the frame.
Check the service path before choosing the finish
The most useful selection leaves the latch reachable and the face easy to clean. A coating should suit the cleaning products used in the building, particularly around frequently touched edges. For procurement, supply an opening drawing and note what sits beside the return. shengtongJH can then coordinate the face and mounting detail around the actual maintenance task, reducing awkward site modifications and damage from repeatedly forcing a poorly located access panel.
Hinges, latches, border dimensions and filter arrangements can be customized to the installation and service route.