Cross-references replacement lamps, quartz sleeves and electronic ballasts across the three dominant UV water disinfection OEMs: Berson InLine+, Trojan UV Signa / UVFit / UVSwift, and Xylem Wedeco Spektron / K / MiPRO. Includes lamp electrical envelope (arc length, driver current, warm-up profile), quartz sleeve outside diameter and length, and end-cap style. Written for water utility maintenance planners and ballast-water-management-system commissioning engineers.
A UV disinfection reactor operates on one of two lamp technologies. Low-pressure high-output (LPHO) amalgam lamps emit a single narrow line at 254 nm, which is close to the peak of the DNA absorption spectrum. Medium-pressure (MP) lamps emit a broadband spectrum covering 200 – 300 nm at higher power density, so fewer lamps are needed for a given reactor but each lamp draws more current. All three OEMs listed here ship reactors in both technologies; specifying a spare requires knowing which lamp type is installed on the reactor's nameplate.
| Reactor | Lamp technology | Lamp power | Arc length | Sleeve OD × length |
|---|---|---|---|---|
| InLine+ 1150 | LPHO amalgam | 320 W | 1500 mm | 32 mm × 1600 mm |
| InLine+ 2000 | LPHO amalgam | 320 W | 1500 mm | 32 mm × 1600 mm |
| InLine+ 5000 | Medium pressure | 3 – 12 kW | 800 – 1200 mm | 36 mm × 900 – 1300 mm |
| Reactor | Lamp technology | Lamp power | Notes |
|---|---|---|---|
| UVSwift SC / UVSwift ECT | LPHO amalgam | 250 W | Municipal drinking water, US EPA validated |
| UVFit | LPHO amalgam | 200 – 320 W | Compact, in-line, small-utility |
| UV Signa | LPHO amalgam (Solo Lamp™) | 600 W | Municipal wastewater, open-channel |
| UV3000B | LPHO amalgam | 250 W | Legacy open-channel, still widely fielded |
| Reactor | Lamp technology | Lamp power | Notes |
|---|---|---|---|
| Spektron | LPHO amalcam (Ecoray™) | 150 – 350 W | Compact drinking-water reactor |
| K-series (K10 – K200) | LPHO amalgam (Ecoray™) | 350 W | Municipal wastewater and industrial process |
| MiPRO | Medium pressure | 1 – 26 kW | Advanced oxidation with H₂O₂ / O₃ dosing |
| Duron | Medium pressure | 1 – 12 kW | Ballast water management (Xylem SciencE™) |
Quartz sleeves are the physical barrier between the lamp and the water. They must transmit >90% of 254 nm light and withstand the operating pressure of the reactor. Sleeves foul over time; the maintenance plan for a UV reactor includes an OEM-recommended sleeve wipe cycle (typically automatic sleeve wipers on Trojan and Xylem large reactors; manual clean-in-place on smaller units).
Every UV lamp needs an electronic ballast (driver) that provides the correct starting voltage, warm-up current profile, and running current. Ballasts are OEM-specific: a Trojan lamp will physically fit into a Wedeco reactor but the two ballasts are not interchangeable. When ordering a replacement ballast, the part number encodes the paired lamp; buyers should always cross-check the ballast nameplate against the lamp nameplate before installation.
Ballast-water UV reactors installed on ships face additional constraints beyond municipal water treatment: type approval by a class society (DNV, ABS, LR, BV, ClassNK), USCG type-approval per 46 CFR 162.060, and IMO MEPC.279(70) operating parameters. Spare lamps supplied for a BWMS must be identical in transmissivity, arc length and end-cap to the type-approved lamp, or the type approval becomes invalid on the next survey.