STJH-LOW-BORON-HEPA-H14-KNIFE-23X23

Low-Boron HEPA Filter 23 × 23 in H14 Knife-Edge

A 23-inch low-boron H14 panel with a 0.75-inch knife edge for open-plenum gel grids.

23 x 23 in knife-edge format
0.75 in sealing blade
325 cfm low-boron duty

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Produkteinführung

This low-boron model uses the published 23 x 23 in knife-edge format rather than the 24-inch gasket or gel frames. A 0.75 in projecting edge enters gel held in an open-plenum ceiling grid, while the separatorless microglass pack carries a 325 cfm family rating. The smaller frame and distinct blade geometry must be checked directly against the grid section before ordering.

Key Features

Open-plenum seal geometry

The filter-mounted knife edge mates with gel retained permanently in the ceiling support grid.

Reduced boron contribution

Low-boron microglass supports contamination-control plans for sensitive semiconductor processes.

Size-specific grid fit

The 23-inch frame avoids treating nominal 24-inch gasket dimensions as interchangeable with knife-edge cells.

Technische Parameter

Nominal Face	23 x 23 in
Efficiency Class	H14 / 99.995% at MPPS
Media	Low-boron separatorless microglass
Family Rated Flow	325 cfm
Seal Interface	0.75 in integral knife edge
Gel Location	Open-plenum ceiling grid
Pleat Spacing	Self-separating media pack
Process Use	Boron-sensitive semiconductor supply air
Installation Check	Verify blade offset, immersion and grid opening
Customisierung	Verfügbar je nach beabsichtigter Anwendung und Betriebsumgebung.

Applications

Designed for open-plenum semiconductor ceilings and mini-environments using a gel-filled grid and low-boron H14 media. It should be selected as a complete 23 x 23 in knife-edge interface; a 24-inch gasket or filter-mounted gel model is not a dimensional substitute.

Solutions for Your Application

Procurement assumes every nominal 24-inch terminal accepts the knife-edge filter.Use the specified 23 x 23 in frame and verify the grid opening and 0.75-inch blade geometry from a dimensioned section.

A shallow knife-edge impression leaves an uncertain fluid seal in the open plenum.Check gel fill level and insertion depth across all four sides before installed integrity testing.

Verfügbare Optionen

Specify blade position, actual frame tolerances, screen arrangement, low-boron media requirement and grid-gel compatibility.

Planning a Low-Boron HEPA Filter 23 × 23 in H14 Knife-Edge specification?

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