OV-110 Omni-Valve

Automatic Control Valve

The Next Generation in Automatic Feed Rate Control

OV-110 Omni-Valve

Information & Features
  • Automatic feed of chlorine gas, sulfur dioxide, ammonia, sodium hypochlorite, and more
  • Available in PVC or CPVC valve bodies
  • Linear drive mechanism for reduced wear and long service life
  • Maximum capacity: 3000 PPD (60 kg/h)
  • Back-lit LCD display for easy monitoring
  • Eight+ control modes, including:
    • Manual
    • Remote
    • Flow Pacing
    • Proportional
    • Residual
    • ORP
    • Compound Loop (PID)
    • Step-Feed and Dual Input Feed Forward
  • Two programmable relay contact alarms
  • Two (2) standard 4-20 mA outputs
  • Ten-point linearization process for precise control
  • Built-in delays, filters, and threshold adjustments
  • Optional pressure feed models (20 PSIG or less)
  • Communication options: RS-485 Modbus (post-April 2013 models) and optional Profibus
  • NEMA4X (IP66) rated enclosure for rugged environments
  • Power options:
    • 100–240 VAC, 50/60 Hz
    • 24 VDC
    • 600mA max. at 12 VDC (7.2W)
Product Downloads

(*) MODBUS is only available in units with the new hardware that started shipping after April 2013.

Series OV-110 Omni-Valve

Precision Control for Gas and Liquid Chemical Feed Systems

The Series OV-110 Omni-Valve is Hydro Instruments’ flagship automatic valve, engineered for precise regulation of chlorine gas, sulfur dioxide gas, ammonia gas, sodium hypochlorite, and other liquid chemicals. Designed for vacuum systems, the OV-110 delivers reliability, advanced functionality, and customizable control in one robust package.

With its linear drive design, the OV-110 eliminates rotary motion to minimize wear and extend service life. The unit supports multiple control modes, advanced communication protocols, and rugged environmental protection, making it one of the best solutions for municipal water treatment, industrial process control, and disinfection systems worldwide.

Download the OV-110 O&M Manual (PDF)

Why Choose the Series OV-110 Omni-Valve?

Gas feed water treatment systems demand dependable safeguards to maintain performance and safety. The Series OV-110 Omni-Valve System delivers exceptional flexibility with multiple control modes, advanced feedback options, and proven durability. Whether you’re running an automatic chlorine feeder, sulfur dioxide system, or other chemical feed process, the OV-110 ensures precise dosing and continuous system oversight.

Hydro Instruments designs every valve to integrate seamlessly with other automatic control valves and chemical feed equipment, giving operators complete confidence in their system’s reliability.

Integration With Hydro Instruments Systems

The OV-110 Omni-Valve System is designed to work with the full range of Hydro Instruments equipment:

This seamless compatibility ensures every Hydro Instruments solution works together for optimal water treatment performance.

Buy the OV-110 Omni-Valve System

When you’re ready to upgrade your operation, Hydro Instruments is here to help. We supply the Series OV-110 Omni-Valve as a standalone unit or as part of a complete feed system, tailored to your facility’s needs.

With over four decades of experience in water treatment equipment manufacturing, Hydro Instruments provides proven solutions, engineering support, and durable products trusted worldwide.

Contact us today to learn more about the Series OV-110 Omni-Valve and how it can improve your chemical feed system.

Control Valve FAQs

What chemicals can the OV-110 Omni-Valve control?
The OV-110 is designed for chlorine, carbon dioxide, sulfur dioxide, ammonia, sodium hypochlorite, and other liquid chemicals used in water treatment and disinfection.

Is the OV-110 Omni-Valve compatible with pressure feed systems?
Yes. Special order models are available for pressure feed applications up to 20 PSIG.

What communication protocols are supported?
Standard models offer RS-485 Modbus communication (post-2013 models), with optional Profibus support available.

What makes the OV-110 different from other automatic control valves?
Its linear drive design eliminates rotary wear, while advanced control modes (including PID compound loop) provide precision dosing and system reliability.

Where can I find manuals for the OV-110?
You can access the official OV-110 O&M Manual here.