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Cleanroom Equipment Spare Parts
Humidifier Electrode
A matched set of large-area stainless steel electrodes for restoring controlled steam generation in a compatible serviceable electrode humidifier cylinder.
- Large-Area Stainless Blades
- Matched Three-Piece Set
- Insulated Plug Terminals
- Replaceable Cylinder Component
Product Introduction
The humidifier electrode is the immersed current-carrying component inside a serviceable electrode steam cylinder. Conductive feedwater completes the electrical path between the stainless steel surfaces, so heat is produced directly in the water rather than by a separate resistance element. Each replacement uses a broad stainless blade joined to rigid support rods, an insulated upper terminal and sealing hardware at the cylinder interface. Electrode length, immersed area, terminal arrangement and set quantity must match the humidifier model because water conductivity and steam demand influence current distribution and normal surface wear.
Key Features
Paired support rods maintain the blade position while carrying the terminal assembly above the water space.
A brass retaining shoulder and high-temperature insulating cap separate the electrical connection from the wetted blade.
Matched replacement sets keep electrode geometry and initial active length consistent within the steam cylinder.
Customer Product Concerns
Electrode replacement must preserve the original immersed geometry, terminal assignment and cylinder seal while accounting for wear caused by the actual feedwater and steam load.
An electrode with the wrong active length or blade width changes the immersed surface area and operating current.The replacement set is selected by humidifier model, original blade dimensions, terminal position and required cylinder geometry.
Replacing only one heavily worn part can leave unequal electrode lengths and unbalanced current distribution.A complete matched set provides consistent blade geometry and starting length across all three electrode positions.
Incorrect plug assignment can place the supply lead or sensor connection on the wrong terminal.Terminal positions, connector style and identification colors are recorded before removal and reproduced in the replacement arrangement.
Reused or poorly seated sealing rings can allow steam or water to escape around the electrode supports.Compatible new O-rings and retaining hardware are fitted at the cylinder penetrations and checked for even seating during assembly.
Typical Applications
Serviceable electrode steam humidifiersCleanroom AHU humidification sectionsCommercial HVAC steam generatorsElectrode-cylinder maintenance programs
Technical Parameters
The following ranges cover common removable large-area stainless steel electrode sets used in serviceable commercial steam humidifier cylinders.
| Core Material | Austenitic stainless steel blade and support rods with brass retainer and high-temperature polymer insulator |
|---|---|
| Panel Thickness | 18-35 mm nominal outside diameter of the upper insulated terminal assembly |
| Effective Width | 35-100 mm nominal large-area electrode blade width |
| Maximum Length | 80-300 mm selectable initial electrode length for common serviceable cylinder sizes |
| Steel Facing Thickness | 1.5-3.0 mm nominal stainless steel blade thickness |
| Core Density | Approximately 7900-8000 kg/m³ for austenitic stainless steel components |
| Thermal Conductivity | Approximately 14-16 W/(m·K) for austenitic stainless steel near room temperature |
| Surface Finish | Clean satin stainless steel blade and rods with warm brass shoulder and matte-black insulating cap |
| Joint Type | Welded blade-to-rod construction with retained insulated plug terminal and O-ring cylinder seal |
| Customization | Available based on the intended application and operating environment. |
Available Options
Matched electrode length and blade widthThree-piece replacement setTerminal and plug identification arrangementCompatible hand-nut and O-ring service kit
Planning a Humidifier Electrode specification?
Send us your dimensions, installation conditions, performance targets and required surface finish.
