Air Operated Control Solution with Liquid Level Sensing
The ARO® Automatic Dewatering System offers automatic on/off controls for Pro and EXP diaphragm pumps. A pneumatically controlled Liquid Level Sensor is used to easily control the fluid level within a desired range. The Automatic Dewatering System will limit the monitoring labor and reduce air consumption by avoiding dry running of the pump.
The ARO® Automatic Dewatering System offers automatic on/off controls for Pro and EXP diaphragm pumps. A pneumatically controlled Liquid Level Sensor is used to easily control the fluid level within a desired range. The Automatic Dewatering System will limit the monitoring labor and reduce air consumption by avoiding dry running of the pump.
Features
Simple design is easy to setup and use
All pneumatic operation eliminates electrical ignition source
High/Low level control maintains fluid between established levels
Reduces air consumption by avoiding pump dry running
Portable system with directly mounted liquid level sensor
Pump Compatibility
Pump Compatibility
2” EXP Series Pump
PX20X-XXX-XXX-X, PX20P-FXS-XXX
2” PRO Series Pump
6662XX-XXX-C
3” EXP Series Pump
PX30X-AXX-XXX-X, PX30X-BXX-XXX-X
3” PRO Series Pump
6663XX-XXX-C
Other EXP Series or Pro Series diaphragm pumps are compatible with remotely mounted Liquid Level Sensors by reducing the air inlet fitting from 3/4”-14 NPTF-1 to necessary size
Specifications
Specifications
Temperature Range- °F (°C)
32 – 122 (0 - 50)
Air Supply Pressure- psi (bar)
29-101 (2-7)
Weight w/o Pump lbs (kg)
11 (4.8)
Air Connection Size
Rc 3/4"
Sensing Tube lengths - ft (m)
66 (20)
Sensitivity to detect liquid level- in (cm)
2-4 (5-10)
Service Kits
SS-BQG550
Mounting Bracket
PNCV-1/2
Pneumatic Controlled Valve
637523
Sensing Tube and Filter Kit
Dimensions
Pump
A
B
C
mm
in.
mm
in.
mm
2” Metallic EXP
553.1
21.8
711.7
28
172.5
2” Metallic PRO
466.8
18.4
710.8
28
169.5
2” Plastic EXP
426.1*
16.8*
819
32.2
188.3
3” Metallic EXP
570.5
22.5
855.4
33.7
195.9
3” Metallic EXP
480
18.9
856.9
33.7
195.7
*NOTE: Dimensions for LLS installed on the same side of the air input line
ARO is Fluid Intelligence and a leading worldwide manufacturer of fluid handling products that are expertly engineered to deliver performance and serviceability, enabling our customers to achieve the best total cost of ownership.
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