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Cleanroom Furniture and Stainless Steel Products
Nitrogen Storage Cabinet
A four-chamber Type 304L stainless cabinet that distributes dry nitrogen through a side plenum and monitors relative humidity without exposing every shelf during access.
- Four independently gasketed chambers
- Side nitrogen distribution plenum
- Flowmeter and digital RH monitor
- Automatic relief and bleed valves
Product Introduction
The nitrogen storage cabinet divides a tall Type 304L stainless enclosure into four independently accessed dry-storage chambers. A sealed side plenum distributes the nitrogen supply to each level, while individual relief-and-bleed valves prevent pressure from accumulating behind the gasketed clear doors. Perforated stainless shelves support moisture-sensitive components without obstructing gas circulation. A blue control strip carries the inlet flowmeter, regulator and green digital RH display, allowing cabinet conditions to be observed without opening a chamber. Lift-style compression latches pull each door evenly onto a mechanically retained blue gasket.
Key Features
A common vertical plenum introduces nitrogen at every chamber instead of relying on slow migration from one inlet.
Relief-and-bleed valves release excess pressure while preserving a controlled purge path through the enclosure.
The external flowmeter and RH display keep gas adjustment and condition monitoring outside the storage volume.
Customer Product Concerns
Low-humidity storage needs controlled gas distribution and minimal moisture recovery time after routine access.
Opening one large cabinet door replaces dry gas around every stored item with humid room air.Four independently sealed chambers restrict each access event to one shelf volume.
A single nitrogen inlet creates uneven purge conditions between upper and lower shelves.The full-height side plenum feeds each chamber through its own distribution branch.
Unregulated gas flow can pressurize the enclosure and strain door seals.Automatic relief-and-bleed valves provide a defined outlet as nitrogen enters each chamber.
Operators cannot distinguish low flow from a moisture excursion without opening the cabinet.An external flowmeter and digital RH display show gas delivery and chamber condition at the front panel.
Typical Applications
Moisture-sensitive electronic component storageSemiconductor wafer and sensor holdingOptical coating material protectionLaboratory reagent dry storageMedical-device component staging
Technical Parameters
Typical configurable specifications for a four-chamber stainless nitrogen storage cabinet are listed below.
| Core Material | Type 304L stainless steel four-chamber enclosure with clear static-dissipative door windows, perforated shelves, nitrogen plenum, flowmeter and relief valves |
|---|---|
| Panel Thickness | 1.2–1.5 mm stainless enclosure, chamber dividers and perforated shelves |
| Effective Width | 635 mm overall cabinet width |
| Maximum Length | 1664 mm maximum overall cabinet height |
| Steel Facing Thickness | 1.2–1.5 mm Type 304L stainless body, chamber frames and side distribution plenum |
| Core Density | 7900–8000 kg/m³ for Type 304L stainless steel |
| Thermal Conductivity | 14–16 W/(m·K) for Type 304L stainless steel |
| Surface Finish | Brushed stainless enclosure with clear static-dissipative windows, blue mechanically retained door gaskets and blue control strip |
| Joint Type | Seam-welded divided enclosure with independently gasketed lift-latch doors, sealed side purge plenum, threaded gas inlet and automatic relief-and-bleed valves |
| Customization | Available based on the intended application and operating environment. |
Available Options
Manual flowmeter or automatic RH controllerThree-, six- or eight-chamber cabinet layoutsType 316L stainless constructionData logging and temperature sensing module
Planning a Nitrogen Storage Cabinet specification?
Send us your dimensions, installation conditions, performance targets and required surface finish.
