Pallas (Sita) 550 LCD PLUS 2 x 40w - 100 lpm - 6.0m3/hr 1.5" connection
Pallas (Sita) 550 LCD PLUS 2 x 40w - 100 lpm - 6.0m3/hr 1.5" connection
SKU:2502030024
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Product Description
Product Description
The Sita LCD Ultra Violet System range is designed to provide efficient and reliable water purification for your home or business. Manufactured in Italy to ISO 9001 quality standards, this system is WRAS approved and features a robust 304 stainless steel chamber (316 optional). The control panel includes an LCD display, hour meter, and alarm contacts for easy monitoring and maintenance.
Key Features:
- High-Quality Construction: All products are made in Italy to ISO 9001 quality standards, with 304 stainless steel chambers (316 optional) ensuring durability and longevity.
- Optimal Performance: Capable of handling a maximum flow of 1.1 m³/hr, making it suitable for various applications.
- Advanced Monitoring: The control panel includes an LCD display, hour meter, red LED fault light, and alarm relay free contact NO/NC outlet (2A max) for straightforward operation.
- Additional Features: Includes a 4-20 mA outlet and O-Norm/DVGW approved sensor.
- Electrical Supply: Operates on 230V 50/60 Hz with a protection degree of IP55.
- Temperature Range: Operates efficiently in air temperatures ranging from 2°C to 40°C.
- Pressure Capacity: Can handle a maximum pressure of 9 bar.
PLUS Version Enhancements: Features a UV intensity meter (or temperature meter), resettable countdown hour meter with alarm for end lamp life, display of irradiation/temperature control, and shutdown for high temperature UV chamber.
Length | 985 mm |
Connections | 1.5" M |
Life Span Lamps | 9000 hours |
Max Flow Rate | 100 l/min |
Clostridium perfringens is an anaerobic, spore forming bacteria that is widely distributed in the environment and frequently occurs in the intestines of humans and many domestic and wild animals.
Can Clostridium perfringens be treated with UV.
Yes, Clostridium perfringens can be inactivated by UV light, but its spores are highly resistant to this treatment, requiring higher UV doses for complete inactivation compared to vegetative cells. The presence of contaminants in water, such as iron and manganese, can also interfere with disinfection efficacy by reducing the rate of inactivation. Effective UV treatment for C. perfringens, especially spores, depends on the specific UV wavelength used and the overall water quality.
UV ratings on flow rate should be at least 4 times the required or achievable flow rate on site or restrict the flow rate of the UV to 38% of the specified flow rate. However, we recommend having physical blockers in place before the UV rather than rely on the UV alone
- Triple filter would be required
- 5 Micron String Wound Sediment Filter from our SW range
- 1 Micron Polyspun Filter from our PS range
- 0.45 Micron Absolute filter. Depending on Flow Rate required, 2 filters in parallel may be required
Product Resources
Product Resources


Pallas (Sita) 550 LCD PLUS 2 x 40w - 100 lpm - 6.0m3/hr 1.5" connection

Pallas (Sita) 550 LCD PLUS 2 x 40w - 100 lpm - 6.0m3/hr 1.5" connection
The Sita LCD Ultra Violet System range is designed to provide efficient and reliable water purification for your home or business. Manufactured in Italy to ISO 9001 quality standards, this system is WRAS approved and features a robust 304 stainless steel chamber (316 optional). The control panel includes an LCD display, hour meter, and alarm contacts for easy monitoring and maintenance.
Key Features:
- High-Quality Construction: All products are made in Italy to ISO 9001 quality standards, with 304 stainless steel chambers (316 optional) ensuring durability and longevity.
- Optimal Performance: Capable of handling a maximum flow of 1.1 m³/hr, making it suitable for various applications.
- Advanced Monitoring: The control panel includes an LCD display, hour meter, red LED fault light, and alarm relay free contact NO/NC outlet (2A max) for straightforward operation.
- Additional Features: Includes a 4-20 mA outlet and O-Norm/DVGW approved sensor.
- Electrical Supply: Operates on 230V 50/60 Hz with a protection degree of IP55.
- Temperature Range: Operates efficiently in air temperatures ranging from 2°C to 40°C.
- Pressure Capacity: Can handle a maximum pressure of 9 bar.
PLUS Version Enhancements: Features a UV intensity meter (or temperature meter), resettable countdown hour meter with alarm for end lamp life, display of irradiation/temperature control, and shutdown for high temperature UV chamber.
Length | 985 mm |
Connections | 1.5" M |
Life Span Lamps | 9000 hours |
Max Flow Rate | 100 l/min |
Clostridium perfringens is an anaerobic, spore forming bacteria that is widely distributed in the environment and frequently occurs in the intestines of humans and many domestic and wild animals.
Can Clostridium perfringens be treated with UV.
Yes, Clostridium perfringens can be inactivated by UV light, but its spores are highly resistant to this treatment, requiring higher UV doses for complete inactivation compared to vegetative cells. The presence of contaminants in water, such as iron and manganese, can also interfere with disinfection efficacy by reducing the rate of inactivation. Effective UV treatment for C. perfringens, especially spores, depends on the specific UV wavelength used and the overall water quality.
UV ratings on flow rate should be at least 4 times the required or achievable flow rate on site or restrict the flow rate of the UV to 38% of the specified flow rate. However, we recommend having physical blockers in place before the UV rather than rely on the UV alone
- Triple filter would be required
- 5 Micron String Wound Sediment Filter from our SW range
- 1 Micron Polyspun Filter from our PS range
- 0.45 Micron Absolute filter. Depending on Flow Rate required, 2 filters in parallel may be required