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1. PICTURE
 
 
2. FEATURE
 
Specially designed for Low Pressure boiler systems (up to 32 Bar), the AQ300LP accurately monitors the boiler and feed water conditions for up to 3 boilers. It injects exactly the required amount of chemicals and provides automated surface blowdown. It keeps the entire plant within the desired chemical limits, 24 hours a day, regardless of load.
The units can be programmed for different water treatment chemicals.
The system includes pH, conductivity and temperature probes, data commu-nication unit with software, feed flow meters, auto blowdown valves, test kit and dosing pumps c/w suction assemblies with low level alarm. They can be expanded with an dissolved oxygen probe for total control.
The software provides for continuous display of all important readings and pre-formatted ?Management Reports? provide a summary of average readings for any period requested.
The unit can be linked to other AQUANET systems and all readings are displayed on one monitor. The system is pre-configured for each installation and a choice of coolers, pumps, flow meters and blowdown valves are available depending on vessel requirements.
Installation can be carried out by ship?s staff, shipyard or sub-contractor. AQUANET can also install with their own personnel.
 
 
 
Specifications
Dimensions (W) x (H) x (D) mm
 1020 x 490 x 250
(assembled c/w chemical drums)
The instrumentation is housed in a split steel cabinet with hinged lockable doors
The left hand section constructed of stainless steel, houses the sampling system and probes
The right hand section houses signal conditioning, control and the communications interface.
  
Probes
pH :Range 0 ? 14pH
Automatic temperature compensation
Sealed Reference cell
Resolution 0.5% FSD

Conductitv :Range0-600 Mhos
(other ranges available)
Automatic temperature compensation
Resolution 0.5% FSD

Dissolved Oxygen :Range 2.5 mg/l
Automatic temperature compensation
Resolution 0.5% FSD

Feed Temperature
Stainless steel pocketed probe
0-110?C scaled as 4-20 mA signal
  
Flowmeters
Mechanical to suit pipe work.
OR
Ultrasonic Flow Meters (Non penetrating). Clamps onto outside of existing pipe work.
Transducer maximum operating temperature 130?C

Blowdown Valves
Mechanically operated to 32 bar
Or
Pneumatic, Rated 100 bar to suit application

Chemical dosing pumps
Air operated 1 litre/hr max 16 bar (max) tefloncoted
Electrically operated diaphragm pump1 litre/hr into 16 bar (max)
Additional standard features
Flushing water system with flow monitoring.
Dosing pump manual speed control
Dosing pump vent system, returns chemical to drum (No spillage)
Fuse failure alarms
Auto probe calibration on the unit