Three-quarter view of a dark EPDM pass box door gasket with one joined end

Cleanroom Equipment Ersatzteile

Pass Box Tür Dichtung

A continuous rounded EPDM bulb gasket that restores controlled compression around a pass box door perimeter.

Continuous Perimeter Seal
Compressible Hollow Bulb
Rounded Corner Geometry
Cleanable EPDM Surface

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Produkteinführung

The pass box door gasket forms the compressible perimeter interface between a transfer-chamber door and frame. Its hollow EPDM bulb deflects under latch pressure to accommodate small surface variation, while the carrier profile locates the seal along the mounting edge. Rounded corners reduce local stress and a single joined perimeter limits leakage paths. Replacement dimensions should match the existing groove or carrier, bulb height, compression allowance, corner radius and door closing force.

Key Features

A hollow bulb provides controlled recovery through repeated door cycles.

The continuous rectangular perimeter limits unnecessary joints in the sealing path.

Rounded corners avoid sharp folds that can restrict compression.

Dark EPDM provides a durable surface for routine cleanroom wipe-down.

Kunden Produktbedenken

Seal performance depends on matching the profile and applying even compression around the complete door perimeter.

An undersized bulb leaves gaps where the door or frame is slightly uneven.Bulb height and compression range are selected to maintain contact around the full perimeter.

Excessive compression increases latch force and permanently deforms the seal.The installed gap is matched to the profile so the bulb works within its normal deflection range.

Poor corner forming causes kinks and localized leakage.Rounded corners preserve a consistent hollow section and smooth contact line.

An incompatible carrier profile will not remain seated during cleaning and door movement.The base geometry is matched to the existing groove, adhesive bed or mechanical retainer.

Typische Anwendungen

Static pass box doorsDynamic transfer chamber doorsMaterial hatch gasket replacementCleanroom cabinet perimeter sealing

Technische Parameter

Typical material and dimensional ranges for pass box EPDM bulb gaskets are shown below.

Core Material	Closed-skin EPDM elastomer with hollow compressible bulb and integral carrier
Panel Dicke	2-6 mm nominal carrier-wall thickness
Effektive Breite	10-35 mm nominal installed profile width
Maximale Länge	Up to 6000 mm continuous cut length before joining
Stahl facing Dicke	0.3-0.8 mm optional embedded steel carrier thickness
Kerndichte	1050-1250 kg/m³ for solid EPDM profile sections
Thermische Leitfähigkeit	0.20-0.30 W/(m·K) for EPDM elastomer
Oberfläche Finish	Smooth dark-charcoal non-marking extruded EPDM skin
Gemeinsamer Typ	Single joined rectangular loop with rounded corners and hollow bulb-on-carrier cross-section
Customisierung	Verfügbar je nach beabsichtigter Anwendung und Betriebsumgebung.

Verfügbare Optionen

Alternative bulb diameterAdhesive-backed or push-fit carrierCustom corner radiusFactory-spliced perimeter loop

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