Pallas (Sita) 440 LCD 1 x 40w - 60 Lpm - 3.6m3/hr 1.5" connection

Sita 440 LCD: 40W UV Disinfection System (60 l/min)

The Sita 440 LCD is part of SITA's LCD commercial-grade UV range, manufactured in Italy to ISO 9001 quality standards and WRAS approved. Like every Sita LCD system, it uses a 304 stainless steel chamber (316 optional) and disinfects water by exposing it to UV-C light as it passes through, inactivating bacteria and viruses without any chemicals or additives.

The LCD control panel gives you an LCD display, an hours-run meter, a red LED fault light, a free alarm relay contact (NO/NC, 2A max), a 4-20mA output, and an O-Norm/DVGW approved sensor — useful if you want to tie the system into a building management system. If you'd also like a UV intensity meter, a resettable lamp-life countdown, and automatic high-temperature shutdown, the LCD PLUS version of this model adds those.

Specifications

Who it's for

• Commercial and small industrial premises wanting BMS-ready monitoring via the alarm relay and 4-20mA output
• Sites on 1.5in pipework needing 60 l/min UV disinfection
• Anyone who wants a proper control panel rather than a basic LED indicator

Why it matters

UV systems should be sized generously against your actual site flow rate — as a rule of thumb, the UV's rated flow should be at least 4 times your required or achievable flow, or you should restrict flow to no more than 38% of the system's maximum rating. We'd also recommend physical pre-filtration ahead of the UV rather than relying on the UV alone: a triple-filter setup (5 micron string wound, 1 micron polyspun, then a 0.45 micron absolute filter) is a common specification, with two absolute filters in parallel where higher flow is needed.