Hydro Instruments manufactures the world's highest quality gas chlorinators, gas chlorination systems and chemical metering equipment.
Hydro gas chlorinators & residual chlorine analyzers have become globally recognized as the most ruggedly designed, highest quality and longest lasting available. If you have been using another brand of gas chlorinator, spend a few minutes finding out why Hydro is the fastest growing gas chlorinator equipment manufacturer in the market today.
>>> NOTE: TRI-STATE REGIONAL SALES ONLY
OTHER REGIONS CALL THE FACTORY FOR YOUR LOCAL REPRESENTATIVE
 | Hydro Instruments also manufactures corporation stops in a variety of sizes and materials.
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Our product line includes: chlorine gas feeders, residual chlorine analyzers and chlorination equipment, ejectors, dechlorination systems, calibration columns and corporation stops for chemical injection.
All Hydro Instruments ISO 9001 products are made in the USA. COMPLIANT CE MARK
Gas Chlorinators
Hydro offers the following models for gas chlorination.
(additional gas applications listed)
Series 300
Cylinder, Manifold, or Ton Mounted | Series 500
Cylinder, Manifold, or Ton Mounted |
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Series 800
Cylinder or Manifold Mounted | Series 900
Cylinder, Manifold, or Ton Mounted |
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Series 200
Cylinder, Manifold, or Ton Mounted | Series 700 & 750
Ton Mounted or Manifold Mounted |
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Series 3000
Wall Mounted | Omni Valve
Automatic Control Valve |
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Up to 2,000 PPD Capacity Cl2 or SO2
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All Series - Wall Mounted Chlorinators
Wall Mounted |
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Hydro Instruments offers all of its gas chlorinatos with a wall mounted option. |
LF Series - Liquid Chemical Feed Systems
LF Series | Features |
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| - All vacuum, No moving Parts, & No Electricity.
- Much more reliable than metering pumps!
- System for feeding a variety of liquid chemical solutions(Including Sodium Hypochlorite and others).
- Available feed rates up to 10 Gallon/Minute.
- (12.5% Sodium Hypochlorite Calculations):
GPM x 0.012 x PPM = GPD
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Automatic Control OptionsOV-110 Omni Valve | CV-230 Control Valve |
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Manual Control
Basic Manual Control System | Manual Control Options |
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Machined PVC Venturi Ejectors |
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- Machined PVC Venturi ejectors (inductors) for maximum durability.
- Alternate materials of construction available.
- Includes check valve assembly to prevent backflow.
- Various orifice sizes and alternate inductor designs available.
- For more details click here.
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V-RAD
(Vacuum - Revolving Automatic Doser)
Patent Pending
A NEW RELIABLE ALTERNATIVE TO METERING PUMPS
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V-RAD | Features |
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| - Accurate, repeatable and dependable feed control of liquid chemicals under vacuum (such as Sodium Hypochlorite)
- Metering orifice is self-flushing (will not clog)
- Capacity: Designed For feed rates of 0.1 through 4 gallons per hour. Higher Capacities Are Available.
- Provides manual or automatic feed rate adjustment.
- Accepts 4-20 mA input signal for proportional control.
- 4-20 mA output.
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Chlorination Electronics
GA-170 Gas Leak Detector | OV-110 Omni-Valve |
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HC-220 PID Controller | CV-230 Control Valve |
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OV-190 Omni-Controller | GA-171 Gas Leak Detector |
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RPH-250 Probe-Style Residual Chlorine Analyzer | RAH-210 Residual Chlorine Analyzer |
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Accessories
Check Valves | Corporation Stops |
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| | Complete Corporation Stop Assemblies Tap Sizes of 1/2", 3/4" 1", 1-1/2" and 2" PVC, CPVC or Stainless Steel Options Available All-Plastic Options Available
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Ejectors (Injectors) |
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- Many designs and sizes to choose from
- Various nozzle options for each model
- For gas or liquid induction
- High quality machined construction |
Gauges, Switches and
Solenoids | Manifolds & Pressurized
Gas Accessories |
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Injection Diffusers &
Main Connects | Universal Ton Container
Mounting Adapter |
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| For gas and liquid injection Excellent reliability & chemical resistance Solid Machined Construction Standard Material is PVC (custom materials available)
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| Model TUY-1 With 25 watt heater, drip leg, and header valve For conversion of cylinder mount vacuum regulators to direct Ton mounting Compatable with any brand of Chlorine or Sulfur Dioxide vacuum regulator
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Differential Pressure Regulators |
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Scales, SCBA's, Gas Masks, Emergency Kits and Pumps |
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Custom Shop Hydro Instruments Custom Shop will quickly build panel-mounted arrangements, pressurized or vacuum manifolds and complete feed systems in non-standard layouts per our customer’s requests. | |
Following are examples of our Custom Shop capabilities: Custom High & Low Vacuum Switch Panel | Custom Automatic Feed System for Chlorine Gas | | |
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Hydro Instruments Literature
Download the latest version of Adobe Reader 
O & M Manuals | | Gas Chlorination | |
| Sales Brochures | | Gas Chlorination | |
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Toll Free (US & Canada)
(888) 38-HYDRO
(888) 384-9376 |
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Additional Information -
Water Treatment with Gas Chlorination
AVAILABLE FROM
Outside Sales: Bryan Wadsworth
Cell Phone # 1-815-790-4494
Engineering: Chris Cook
Office Phone #
1-815-790-4205
Fax: 815-331-0235