4 to 70 GPM

Detects and Signals Flow Change

• Superior Long Term Performance
• Continuous Adjustment While Operating
• Line Pressure to 300 psig
• Temperature 180°F Continuous
• Four individual Drag Disk options plus continuous adjustment provides wide operating range
• For use in particle contaminated fluids
• Maintains Calibration Limits when Subjected to Reasonable Line Hydraulic Hammer or Surge Pulses
• SPDT 15 amp switching capacity model or Dry Circuit Computer/PLC Interface model
• Intrinsically Safe Relay Allows Model Q-4E to be used in Hazardous Area (see here).
• Maintenance and checkout is a snap for your present personnel using an uncomplicated standard test meter.

Typical Uses

• Air Condition Systems
• Brakes and Clutches
• Computer Systems
• Diffusion Vacuum Pumps
• Diodes, SCRs, Triacs, etc.
• Electro Magnets
• High Power Transistors
• Marine and Stationary Engines
• Oil Supplied to Large Bearing and Gear Systems
• Plastic Molding Equipment
• RF and Radar Transmitter
• Spot welders
• Transformers
• Vacuum Systems

Typical Working Fluids

Monitoring flow of coolant water and fluids supplied to:

• Alcohols
• Contaminated Ground Water
• Filtered Sewage Water
• Glycols
• Oils
• Pure Water
• Soap Solutions
• Tap Water

In Chemical Processing

• Fluid Blending Systems
• Heat Transfer Fluids
• Liquid Scrubbers
• Liquid Transfer
• Monitor Filter Clogging
• On/Off Control of Chemical Feed Pumps
• Starting Back-up Pumps
• Water Treatment