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Cleanroom Installation Accessories
Room Pressure Test Port
A flush brushed-stainless wall port that provides a capped connection point for cleanroom differential-pressure verification and reference tubing.
- Flush Stainless Wall Plate
- Capped M5 Test Nipple
- Two-Screw Mounting Pattern
- Rear Pressure-Tube Connection
Product Introduction
The room pressure test port uses a slim rectangular stainless faceplate to bring a low-pressure reference line to an accessible cleanroom wall surface. A central threaded service nipple accepts a compatible portable manometer hose, while the rear fitting connects to the concealed pressure tube. The knurled closure stays attached to a dedicated chain anchor and seals the exposed test point between checks. Two vertically aligned mounting holes and a compressible backing gasket keep the plate stable and limit false readings caused by air movement from the wall cavity.
Key Features
A central M5 service nipple gives technicians a defined connection for compatible differential-pressure test tubing.
The knurled sealing cap closes the pressure opening between measurements and remains captured by a short stainless chain.
Two countersunk holes on the vertical centerline secure the plate without crowding the pressure fitting.
A single rear bulkhead connector provides a direct transition to the concealed reference tube without an exposed instrument body.
Customer Product Concerns
Very small room pressure differences are easily distorted by wall-cavity drafts, contaminated tubing or an unsealed service connection.
Air leaking around a loose wall plate can bias the pressure reference at the pickup point.The two-screw faceplate compresses a compatible backing gasket against the finished wall surface.
An open test nipple can collect cleaning residue or become a persistent pressure leak.The close-fitting knurled cap seals the front connection and stays attached to its dedicated chain anchor.
Long, kinked or wet reference tubing slows response and produces unstable manometer readings.The direct rear fitting supports a short, correctly routed tube that can be inspected for blockage and condensation.
A service fitting mounted without anti-rotation support can loosen when test hoses are connected repeatedly.The rectangular plate and separated top-and-bottom fixings resist turning loads around the central nipple.
Typical Applications
Portable verification of cleanroom-to-corridor pressure differenceReference pressure pickup at isolation and protection roomsCommissioning checks for cleanroom pressure cascadesService access for remote differential-pressure transmitter tubingRoutine maintenance checks in laboratories and controlled production suites
Technical Parameters
Typical construction and dimensional ranges for a stainless cleanroom wall pressure test port are listed below.
| Core Material | 316L stainless-steel faceplate, pressure nipple, cap and chain with a stainless or nickel-plated rear tube fitting |
|---|---|
| Panel Thickness | 25-120 mm compatible modular wall or ceiling panel thickness |
| Effective Width | Approximately 70 mm nominal single-gang faceplate width |
| Maximum Length | Up to 120 mm overall faceplate length |
| Steel Facing Thickness | 1.0-1.5 mm nominal stainless faceplate thickness |
| Core Density | Approximately 7900-8000 kg/m³ for austenitic stainless-steel components |
| Thermal Conductivity | Approximately 14-16 W/(m·K) for 316L stainless steel |
| Surface Finish | Fine-brushed and passivated natural stainless steel with smooth radiused plate edges |
| Joint Type | Two-screw gasketed wall plate with central M5 front test nipple and coaxial rear pressure-tube connection |
| Customization | Available based on the intended application and operating environment. |
Available Options
304 or 316L stainless-steel plate and hardwareAlternative front test-thread and hose-adapter sizesBarbed or positive-lock rear tubing connectionPanel-depth gland extension for thicker cleanroom wallsEPDM or silicone backing gasket and custom fixing-hole spacing
Planning a Room Pressure Test Port specification?
Send us your dimensions, installation conditions, performance targets and required surface finish.
