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Cleanroom Equipment Spare Parts
Pass Box UV Lamp
A compact UV-C lamp and stainless mounting reflector for restoring the timed irradiation function of a compatible cleanroom pass box.
- Complete Lamp Assembly
- Quartz UV-C Tube
- Stainless Mounting Trough
- Service-Ready Wiring
Product Introduction
The pass box UV lamp is a replaceable irradiation assembly installed inside a compatible transfer chamber. A low-pressure UV-C tube is supported by heat-resistant ceramic holders on a shallow stainless-steel trough that also provides a stable mounting surface. The reflector, tube length, holder spacing, supply cable and ballast requirements must match the original equipment. UV-C output is invisible and potentially hazardous, so the lamp is intended for an enclosed, interlocked cycle that prevents personnel exposure while the chamber is operating.
Key Features
Ceramic end holders provide stable support near the lamp terminals during repeated operating cycles.
The formed stainless trough combines mounting, protection and directional reflection in one serviceable part.
A short color-coded lead simplifies connection to the existing pass box control circuit when specifications match.
Customer Product Concerns
Successful replacement depends on matching the mechanical envelope, electrical control gear and enclosed safety interlock of the original pass box.
A tube with the wrong length or terminal spacing will not seat correctly in the existing holders.Overall tube length, holder center distance and end connection are matched to the original lamp assembly before supply.
An incompatible ballast or supply circuit can reduce output or shorten lamp life.Lamp wattage, operating current and control-gear type are selected as a coordinated electrical set.
Unshielded UV-C operation creates an exposure hazard when a chamber door is opened.The replacement is used only with a functioning door interlock, enclosure and timed control sequence.
Dust or residue on the tube and reflector reduces delivered irradiance inside the chamber.The accessible trough and removable tube support scheduled inspection and cleaning with compatible procedures.
Typical Applications
Static pass box UV-C modulesDynamic transfer chamber lamp replacementLaboratory material hatch irradiationEnclosed cleanroom pass-through disinfection cycles
Technical Parameters
Typical construction and envelope ranges for enclosed pass box UV-C replacement lamp assemblies are listed below.
| Core Material | Low-pressure UV-C discharge tube in quartz glass with ceramic holders and stainless mounting trough |
|---|---|
| Panel Thickness | 1.0-1.5 mm formed stainless trough wall |
| Effective Width | 45-80 mm nominal reflector and mounting width |
| Maximum Length | Up to 900 mm overall assembly length |
| Steel Facing Thickness | 1.0-1.5 mm stainless-steel reflector thickness |
| Core Density | Approximately 2200 kg/m³ for quartz glass tube material |
| Thermal Conductivity | 1.1-1.4 W/(m·K) for fused quartz tube material |
| Surface Finish | Satin stainless trough, white ceramic holders and clear to pale-blue quartz tube |
| Joint Type | Double-ended tube retained by two ceramic holders with hardwired cable exit |
| Customization | Available based on the intended application and operating environment. |
Available Options
Matched lamp wattageAlternative assembly lengthBallast-compatible wiringCustom mounting-ear spacing
Planning a Pass Box UV Lamp specification?
Send us your dimensions, installation conditions, performance targets and required surface finish.
