Viqua SHF-140 UV Sterlizer

Viqua SHF-140 UV Sterlizer

MSRP: US$6985.00
Our Price: US$5295.00
You save: $1,690.00



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Viqua SHF-140 Ultraviolet (UV) Sterilizer

The Viqua SHF-140 high flow commercial UV system uses multi-lamp UV disinfection to treat water at flow rates up to 143 gallons per minute. It comes with 3" flange connections, and features a separate control panel with high visibility components. It is also available with a UV intensity monitor as the Viqua SHFM-140.

Pre-treatment Requirements:

All UV sterilizers required sediment pre-filtration to reduce or eliminate the possibility that a targeted contaminant could "hide" behind a sediment particle in the "shadow" of the UV light and therefore not receive a full dose of UV light. Accordingly, the manufacturer strongly recommends sediment pre-filtration down to a level of 5 microns or smaller.

Water exceeding 120 ppm in hardness (7 grains per gallon) should be softened to reduce the risk that hard water mineral scale will build-up on the UV sleeve thereby reducing UV light distribution into the UV chamber. Similarly, iron levels exceeding 0.3 ppm or manganese levels exceeding 0.05 ppm should also be treated to prevent staining of the UV sleeve.

Elevated levels of certain other contaminants, such as tannins, can cause a reduction in UV transmittance (the ability of the water to transmit UV light). If the UV transmittance (UVT) of your water is less than 75% after the above-mentioned pre-treatment, activated carbon filtration may be desirable to improve UV transmittance. The majority of deep wells have a UVT of 85% or greater. If your UVT is unknown, select a model with a higher flow rate capacity then you feel you will really require (this will provide a higher UV dose at your desired flow rate), or add an activated carbon pre-filter to your system. We recommend the following pre-filter equipment:

Viqua SHF-140 Specifications
Applications high flow commercial
Max. Flow Rate
(UV dose >30 mJ/cm2)*
143 GPM (540 LPM)
Max. Flow Rate
(UV dose >40 mJ/cm2)*
107 GPM (406 LPM)
Water Chamber Material 316L Stainless Steel
Chamber Size 34" x 6" x 14"
(86.4 x 15.2 x 35.6 cm)
Controller Size 17.5" x 19.5" x 8.2"
(44.5 x 50 x 21 cm)
Lamp S740RL-4C (4 Lamps)
Sleeve Quartz, Model QS-012
Electrical 100-240v, 50/60HZ
Power Consumption 320 watts
Inlet / Outlet Plumbing Ports 3" Flange
"Power-On" Indicator Light
Audible Lamp Failure Alarm
Lamp Replacement Reminder
Warranty Reaction Chamber: 10 years
Lamp: 1 year
All other components: 3 years
Manual SHF-140 Manual

*Note: Maximum recommended flow rates based on 95% UV transmittance. Actual dosage depends on flow rate, water quality, and maintenance (cleaning ov UV sleeve). UV dosage will be lower when the UV transmittance capacity of the water drops below 95% - if in doubt, select a model rated for a higher flow rate than you actually require. We recommend a UV dose of 40 mJ/cm2.

Feed Water Quality Parameters
Iron 0.3 ppm (0.3 mg/L)
Manganese 0.05 ppm (0.05 mg/L)
Tannins 0.1 ppm (0.1 mg/L)
Turbidity < 1 NTU
Hardness < 120 ppm (7 grains / gallon)
UV Transmittance (UVT): 75%
Maximum Temperature: 104F (40C)
Maximum Pressure: 125 psi

Options, Accessories and Replacement Parts

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MSRP: US$159.00
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