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Jiangsu YLD Water Processing Equipment Co., Ltd.

UV Sterilizer, Ultraviolet Sterilizer, UV Disinfector manufacturer / supplier in China, offering UV Disinfection Water Filtration System Ultraviolet Germicidal Irradiation, Pressure Regulation Water-Tank Water Expansion Tank Circulating Water System, Industrial Automatic Water Softener Machine for Water Purification and so on.

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UV Disinfection Water Filtration System Ultraviolet Germicidal Irradiation

FOB Price: US $150-6,500 / Set
Min. Order: 1 Set
Min. Order FOB Price
1 Set US $150-6,500/ Set
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Production Capacity: 5000 Sets/Year
Transport Package: Plywood Case Into Container
Payment Terms: L/C, T/T, D/P, Paypal, Money Gram, Western Union

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Basic Info
  • Model NO.: YLC-5000
  • Material: Stainless Steel Ss304, Ss316
  • Lifespan of UV Lamp: 9000-12000 Hours
  • Flow Rate: 0.3--1000 Ton/Hour
  • System Working Pressure Resistance: (0.6 MPa)6kg/Cm2
  • Brand of Ballast: Beasun
  • Specification: CE, SGS, ISO
  • HS Code: 8421219990
  • Bactericidal Efficienc: 98% Kill Total Coliforms
  • Medium Material: PP (Propene Polymer)
  • Interface Type: Flange or Thread
  • Alert System for Lamp: One Set
  • Raw Water Supplying: Running Water
  • Trademark: YLD
  • Origin: Jiangyin, Jiangsu
Product Description
UV disinfection water filtration system Ultraviolet germicidal irradiation

UV Disinfection

UV units are appliances suitable for the disinfection of polluted water able to deactivate microbiological pollutants, e.g. bacteria, viruses, moulds, spores, yeasts and so on. 

UV disinfection is 99.99% effective

UV Disinfection Water Filtration System Ultraviolet Germicidal Irradiation

Principle of Operation
Ultraviolet disinfection systems typically utilize thin cylindrical bulbs capable of generating narrow band wavelength UV light in the 254 nm range, placed in close proximity to high-purity glass tubes through which the water flows. The unit must be sized to provide adequate dosage at the specified flowrate. The water to be treated must be sufficiently free of turbidity (sediment), iron, manganese and any colorant that could affect transmission of the 254 nm UV light. Manufacturers' specifications should be consulted.
UV Disinfection Water Filtration System Ultraviolet Germicidal Irradiation

UV units for water treatment

Special low-pressure mercury vapor lamps produce ultraviolet radiation at 254 nm, the optimal wavelength for disinfection and ozone destruction. The UV lamp never contacts the water; it is either housed in a quartz glass sleeve inside the water chamber or mounted external to the water which flows through UV transparent Teflon tubes. Some ultrapure water systems use 185 nm UV units for reducing TOC (total organic carbon).

Technical parameters:

modelProcessing capacity (Ton/Hour)power (W) inlet and outlet
working pressure (Kg/cm 2 )malfunction alert for UV lampreactor dimension (cm) L×W×Hdimension of panel(cm)anchor bolt  (cm)overall weight (Kg)


YLC-150680DN32/1 1/4 "6matched100×10.8×3060×4×Φ150
YLC-2008120DN40/1 1/2 "6matched100×15.9×4060×7×Φ160
YLC-36015200DN65/2 1/2"6matched100×15.9×4050×78×25
YLC-50020240DN65/2 1/2"6matched100×21.9×5060×11×Φ1.2130
YLC-20K8003920DN350/14"6matchedconfirmed confirmedconfirmedconfirmed

Maintenance requirements for UV units

Lamp Replacement
UV lamps do not burn out as normal florescent lamps do. Instead, the UV lamps will solarize, reducing their intensity to about 60% of a new lamp after about one year of continuous use. When lamps are new, they will generate a dosage level near 60,000 µW-s/cm2 . When the dosage drops to 30,000 µW-s/cm2 (the minimum dosage needed to effectively kill bacteria) lamps should be replaced. Lamp life will be shortened significantly if the lamp is turned on and off more frequently than once every eight hours.

Monitoring Performance
Water should be sampled and tested for bacteria counts regularly. Sample before and after the UV unit to test its performance. Water should also be sampled in the animal rooms since bacteria regrowth can occur downstream of the UV unit.

As water passes through the UV unit, minerals, debris and other material in the water will deposit out and onto the quartz or Teflon sleeve. This will limit the penetration of UV rays through the sleeve and into the water. To maintain high clarity, the glass around the lamp must be cleaned regularly. Cleaning frequency depends on the water quality and will be minimal with RO, distilled, or deionized water.

Monitoring UV Dosage
UV light intensity meters are available which indicate the penetration of UV light through the glass sleeve and the water. Low intensity means the UV dose is too low to provide adequate disinfection. This meter will indicate when cleaning or lamp replacement is needed

UV Disinfection Water Filtration System Ultraviolet Germicidal Irradiation

Q. Does the water have to sit in the UV sterilizer to be disinfected? 
A. No. If the system is sized correctly, the water is disinfected as it flows through. 
Q. What if the water flows faster than is allowed through the system? 
A. If the flow rate exceeds the design flow rate of the UV sterilizer, then there is a possibility that the water will not be properly disinfected. It is important to use a flow restrictor so that the flow rate cannot be exceeded. 
Q. How long does the lamp last? 
A. The lamps last approximately 10,000 hours. That is why we recommend replacement approximately every 12 - 14 months of continuous operation. After this period, the lamp itself becomes solarized and blocks the rays form entering the water. 
Q. Are these systems bigger energy users? 
A. No. The 12 gallon per minute model, for instance uses only 39 watts, about half the amount an ordinary light bulb uses.
Q. My water is sometimes cloudy. Is that a problem? 
A. Yes. The water that enters the ultraviolet sterilizer must be absolutely clear and have a turbidity of less than 1 NTU. If your water is cloudy, then it must be pretreated. 
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