Hydro Instruments is a leader in vacuum chemical feed delivery systems. Their success can be attributed to the redesign of their chlorine auto-valve that eliminated gears and potentiometers in the drive mechanism and went to a linear stepper motor design.
Automatic Control Valves
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Model OV-110
3000 PPD Max Capacity
- Wall Mount Option
- For Gas or Liquid Metering
- Capable of operating in eight different control modes
- Backlit liquid crystal display
- Modbus Communication (RS-485)
- 3 Analog Inputs (Flow, Residual, and Remote Dosage)
- Adjustable: Dosage, Set Points, Lag Time, Signal Filters, Display Ranges, Alarms & More
- Two 4-20mA Outputs
- Password protected settings
Model OV-1000
Feed rates up to 10,000 PPD
- Compatible with a variety of gas and liquid chemicals
- Seven Control Options
- Modbus (RS-485) communication
- 3 Analog Inputs and 2 Analog Outputs
» Model OV-1000 Brochure
» Wall Panel Brochure
» Wall Panel Auto Valve with 4-20mA Output Brochure
Model CV-230
Up to 10,000 Max Capacity
- Wall Mount Option
- Automatic feed for Chlorine, Sulfur Dioxide, Ammonia, Carbon Dioxide, Sodium Bisulfite, Sodium Hypochlorite
- Compact, Reliable, and Simple Design
- Wide Range of Capacities & Chemicals
- Simple 4 Button Interface
RESOURCE
DIAGRAMS / DRAWINGS
- Drinking Water Drawing
- Wastewater Drawing
- Cooling Tower Drawing (Evaporator)
- Cooling Tower Drawing (GAS)
- High Capacity – Vaporizer Drawing
BROCHURES
BROCHURES:
- Wall Panel Brochure
- Model OV-1000 Brochure
- Model OV-110 Brochure
- Remote Meter Panel w 4-20mA Output
- Wall Panel Auto Valve with 4-20mA Output Brochure
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