Hydrotech DLR-A Ultraviolet Water Disinfection Unit - Manual (Page 22)

Technical Specifications: DLR Series
All prices and specifications are subject to change without notice.
Technical Description
Description The DLR Series is designed with a single low-pressure high-intensity UV lamp
centered inside a protective quartz sleeve. The disinfection chamber is either
304 or 316L stainless steel and is electro-polished with male NPT Inlet/Outlet.
The UV lamp and quartz jacket assembly are easily removable from one side
of the disinfection chamber.
UV disinfection chamber x Material: stainless steel electro-polished
x UV sensor
x Mounting: vertical or horizontal
x Inlet/Outlet connections: Male NPT thread
x Mounting brackets included
UV lamp High output low pressure UV lamp
Control Box x Material: ABS, designed for wall or UV chamber mounting
x Electronic power supply (ballast)
x LED readout
x Cable length UV chamber/control box: 4.9’
Application The DLR series is engineered to disinfect clear fresh water to meet drinking
water standards.
Operational capacity Clear fresh water up to 24 US GPM
Options x Voltages120 Volt /60 Hz (CE conforming)
x Solenoid inlet valve (NPT size corresponding to reactor NPT connection
for each unit) ¾”, 1”, and 1 ½” normally closed.
Flow Rate Table: Valid for water with minimum UV transmittance > 90% @ 1cm (254nm)
DLR A Series type 1 2 4
Flow rate (gpm) at UV dose of 30 mJ/cm 2 at the end of lamp lifetime 5 13 24
Flow rate (gpm) at UV dose of 20 mJ/cm 2 at the end of lamp lifetime 8 20 36
Flow rate (gpm) at UV dose of 16 mJ/cm 2 at the end of lamp lifetime 10 25 45
30 mJ/cm 2 = 30,000 µWs/cm 2
Notes: (1) Flow rates based on flow restrictor installed in line.
UV Reactor, Stainless Steel 304 (1.4301) Electro-polished
Reactor connections, male NPT thread ½” ¾” ¾”
Width (inches) 3.54 3.54 5
Height (inches) 18.5 26.38 26.38
Diameter (inches) 2.76 2.76 4.02
Weight (lb.) approx. 3.75 5.29 7.06
Operating pressure (psi) max. 125 125 125
Pressure loss (psi) approx. 2 2 2
UV Lamp, Low Pressure High Output
Lamp Type NLR1825 WS NLR1845 WS NLR1845 WS
Lamp Power (Watt) 16.5 40 40
UV-C Output at 254 nm, new lamp (Watt) 5.5 14 14
Quantity 1 1 1
Lamp lifetime (days) 365 365 365
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