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WBL300 SERIES  

   Walchem WBL Series controllers keep boiler water at the correct conductivity

by automatically blowing down water at high solids levels and adding low conductivity

make-up water. Simultaneous control of chemical feed inhibits corrosion, solids precipitation

and scale build up. Intermittent sampling is available to facilitate inexpensive operating

costs on small boilers. The WBL c o n t roller features four methods of chemical feed via the

program menu. One unit takes the place of four separate models, and addresses applications from

the typical to the unusual.

Four Chemical Feed Options

� Feed & blowdown simultaneously, with or without feed lockout timer

� Feed after blowdown has finished, as a % of blowdown time

� Feed as a % of time elapsed

� Feed as a % of make-up water volume

Timed Sample Conductivity Control

Intermittent, rather than continuous sampling reduces operating costs on small boilers.

Detects Flashing During Timed Samples

Rechecks the conductivity after the sample valve closes and reopens if the reading is now

above set point.

Extended Capabilities

Optional isolated 4-20 mA output proportional to the conductivity reading. Accessories include flow

meters, motorized ball valves, orifice unions, flow control valves, diverter valves, solenoid valves,

chart recorders, pumps and tanks

 

        

 

 

 WCM300 SERIES

The WCM Series Condensate Monitors control the conductivity of a boiler�s condensate.

When conductivity of the condensate exceeds an operator adjustable

set point, the unit initiates the opening of a diverter valve to prevent contaminated

condensate from returning to the boiler or sets off an alarm, or both.

WBL boiler controllers and WCM condensate monitors are low cost, microprocessor-based,

menu driven industrial controllers. Exceptionally versatile, units are easily customized on site.

 
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