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Rockford Process free swinging overlay hinge is a semi-concealed, free swinging five knuckle hinge designed for institutional applications where a dependable overlay hinge is required. The hinge is classified as hospital grade with specific tips, so it is built for institutional environments that expect consistent operation around healthcare-grade casework and doors. As a semi-concealed hinge, it fits projects where a cleaner face appearance is needed while still keeping the knuckle accessible for function and inspection. The hinge is gloss black, which lets installers match or contrast with dark casework or frames when a black institutional hinge is preferred. A 270 degree opening range supports wide door swing so doors can clear the cabinet face and stay out of the working path. The design is set up for the 32 mm hole system, allowing integration into casework layouts that follow that industry drilling standard.
This gloss black semi-concealed hinge is designed as a screw-on hinge, so it fastens directly through the leaves to the frame and door using the prepared screw holes. The hinge is designed for the 32 mm hole system, which ties directly into line-bored cabinet sides or frames built on that standard, allowing holes to align with institutional drilling equipment. Frame leaf length is 1-3/4 inch, giving a defined bearing surface on the frame side so installers can plan edge distances and support on the stile or jamb. Barrel height is 2-3/4 inch, so the visible knuckle section presents a consistent vertical dimension that matters when aligning multiple hinges down a door edge. Elongated holes on both leaves give practical side-to-side adjustment during screw fastening, helping refine overlay and clearance without re-drilling.
This Rockford Process Control, Inc. hinge sits in the institutional hinges category, so it targets environments that rely on consistent, repeatable hardware such as hospitals and similar facilities. The hospital grade tips tie it directly to hospital grade casework and frames, letting installers match hinge design to healthcare-focused installations. As a semi-concealed hinge, part of the hardware remains visible while the rest is set back, which suits cabinets and doors where function and inspection of the knuckle matter more than a fully concealed look. The gloss black finish offers a dark, uniform appearance that supports both visual contrast and coordination with black or dark-toned doors, frames, or trim. With a 270 degree opening range, the hinge allows wide door swing so doors can rotate past the face plane and lie close to parallel with adjacent surfaces, keeping doors out of work zones in tight rooms or corridors.
The hinge is a free swinging overlay type, so it is built to let the door move freely through its 270 degree opening without built-in closing resistance, which matters on casework where door control is handled by other components or user action. Elongated holes on both leaves give practical alignment room during installation, letting installers shift the leaf position slightly to dial in overlay and gap uniformity along the door edge and frame. The tight screw pin design holds the five knuckle assembly closely together, supporting stable hinge action that helps maintain alignment on doors that see frequent operation. A frame leaf length of 1-3/4 inch provides a predictable mounting footprint for layout templates or jigs. Barrel height of 2-3/4 inch sets a consistent visual and functional knuckle size, which is important when multiple hinges are stacked on tall doors. Material thickness of .095 inch, or 2.4 mm, provides a solid leaf section that supports the repeated loads typical in institutional and hospital environments.
The P375-1D model is a Rockford Process semi-concealed free swinging overlay five knuckle hinge, so it suits institutional casework where an overlay door and visible knuckle are required.
This gloss black hinge is rated for a 270 degree opening, allowing doors to swing past the cabinet face and rest near parallel, which helps keep doors clear of work areas.
This hinge is designed for the 32 mm hole system, so it aligns with casework drilled on that standard and fits production or institutional cabinet layouts using line boring.
The hinge has a frame leaf length of 1-3/4 inch, a barrel height of 2-3/4 inch, and a material thickness of .095 inch or 2.4 mm, which defines its mounting footprint and knuckle size.
Elongated holes on both leaves allow small position adjustments as screws are driven, which helps fine-tune overlay alignment and achieve consistent gaps without extra drilling.
This Rockford Process hinge is described with hospital grade tips, aligning it with institutional and hospital grade installations where matching that hinge style is important.
This Rockford Process free swinging overlay hinge in gloss black combines a 270 degree opening range, five knuckle design, and hospital grade tips to support institutional casework and door projects. The semi-concealed layout, 1-3/4 inch frame leaf length, and 2-3/4 inch barrel height define its footprint for new installations or matching existing hardware runs. With elongated holes on both leaves and material thickness of .095 inch, or 2.4 mm, the hinge supports practical adjustment and robust leaf sections in service. For institutional or hospital grade casework using the 32 mm hole system, this P375-1D overlay hinge is built around those specific layout and performance details.
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