Hydro Instruments Technology Pte Ltd

60 Paya Lebar Road #09-25
Paya Lebar Square, Singapore 409051
Tel: +65 822-31377
Fax: +65 6385-5283
Email: sales@hydroinstrument-sg.com
Web: www.hydroinstrument-sg.com
accessories
Actuated Chlorine Ball Valve
The chlorine ball valves electric actuator is a geared motor that provides rotary output to power the rotary valve.
Catalogue
Chlorine Ball Valve
Hydro Instruments chlorine ball valves meet Chlorine Institute Specifications (Pamphlet 6) for piping systems for dry & liquid chlorine service. These valves are available with NPT connections.
Catalogue
Auxiliary Valve (Isolation Valve Assembly)
Hydro Isolation Valve Assembly is used to improve the safety of the connection from the flexible connector to the chlorine valve on the container (small cylinder/ ton container).

The flexible connector is then connected to the chlorine valve outlet port on the Isolation Valve Assembly. When containers are changed, the bottom connector of the assembly is used to make and break the seal to the container valve.

Body : Aluminum Silicon Bronze
Stem : Monel
Packing Nut : UNS Alloy
Packing : Teflon or Garlock
Outlet Gasket : Teflon
Pressure Reducing Valve (PRV) Manual
For Chlorine / Sulfur Dioxide / Ammonia Gas.
For Cl2 or SO2 Rates up to 12,000 PPD (227 kg/h).
For NH3 Rates up to 6,000 PPD (114 kg/h).
Inline or Wall Mounted.
3/4" or 1" FNPT Connections.
Catalogue
Pressure Reducing Valve (PRV) Automatic
For Chlorine / Sulfur Dioxide / Ammonia Gas.
For Cl2 or SO2 Rates up to 12,000 PPD (227 kg/h).
For NH3 Rates up to 6,000 PPD (114 kg/h).
Inline or Wall Mounted.
3/4" or 1" FNPT Connections.
Catalogue
Expansion Chamber Assembly
For Chlorine or Sulfur Dioxide
To protect liquid chemical feed lines from bursting due to overpressure.

Includes:
ASME certified rupture disk and holder
Diaphragm protected pressure switch
DOT3AA2015 certified expansion chamber
1" Sch.80 seemless carbon steel piping & forged fittings
Catalogue
Pressure Relief Assembly
For Chlorine or Sulfur Dioxide
To protect the gas outlet pipeline of vaporizers from leaking due to overpressure.

Includes:
ASME certified rupture disk and holder
Diaphragm protected pressure switch
Pressure relief valve
1" Sch.80 seemless carbon steel piping & forged fittings
Catalogue
Differential Pressure Regulators
Available for Chlorine or Sulfur Dioxide Gas.
Available for capacities from 100 PPD (2 kg/hr) to 500 PPD (10 kg/hr).
Also available for 2,000 PPD (40 kg/hr) Capacity.
Catalogue
Corporation Stops
The use of a corporation stop is needed when the process water pipe cannot be drained at the diffuser to allow for maintenance and / or cleaning. With a corporation stop, the solution diffuser can be removed while the process water pipe remains full and pressurized.

Complete Corporation Stop Assemblies:
Tap Sizes of 1/2", 3/4", 1", 1-1/4", 1-1/2" and 2"
PVC, CPVC or Stainless Steel Options Available
All-Plastic Options Available
Catalogue
Emergency Shut-Off System
Automatic Control that OPENS AND CLOSES the valve on compressed gas cylinders / ton container such as chlorine, sulfur dioxide, and ammonia cylinders and containers.

Safety device that eliminates the need for scrubber (neutralization system).

Available in Electronic & Pneumatic Type.
Ejectors (Injectors)
Solid Machined Body Construction (will not warp / crack)
For gas or liquid induction
Many designs, sizes & capacities to choose from:
from 0.6 pounds/day (12 gr/hr)
up to 10,000 pounds/day (200 kg/hr)

Various nozzle options for each model.
Nozzle charts are available in the O&M Manual of the appropriate gas or liquid feed system.

Any questions - please contact us.
Catalogue
Flexible Connectors
Material Cadmium Plated Copper
Specifically designed for Chlorine or Sulfur Dioxide Gas
4, 6, 10 and 16 ft Lengths Available
Catalogue
Gas Filter
A chlorine filter will remove the nuisance causing impurities in chlorine gas.

The CIS-282 Filter is made of 25,000 lb. Tensile strength grey iron castings and is rated at 560 PSI working pressure.

The CIS-282 filter should be used on any installation using one ton chlorine cylinders regardless of chlorination capacity and on any installation using an evaporator.
Catalogue
Vacuum and Pressure Gauges
Hydro Instruments offer various models of Vacuum & Pressure Gauges
Catalogue
Check Valves
Hydro Instruments offers inline check valves for vacuum systems feeding chlorine, ammonia, and sulfur dioxide gases. These versatile check valves can also be used with other vaporous gases as well as sodium hypochlorite liquid.

Check Valves - For Gas and Liquid Service
Catalogue
Isolation Valve Assembly
Hydro Isolation Valve Assembly is used to improve the safety of the connection from the flexible connector to the chlorine valve on the container (small cylinder/ 1 ton container).

The flexible connector is then connected to the chlorine valve outlet port on the Isolation Valve Assembly. When containers are changed, the yoke of the assembly is used to make and break the seal to the container valve.

Also available model for Ammonia cylinder/ bulk container
Catalogue
Gas Manifolds
For Chlorine or Sulfur Dioxide Gas
Also available for Ammonia Gas
Available for 1 - 5 Connections (Standard)
Drip Leg Heater and Wall Mounting Hardware Included
Custom Manifolds are Available
Catalogue
Drip Leg Heaters
Manifold and drip-leg heaters are used to heat and maintain the manifold piping at an elevated temperature in order to evaporate liquid chlorine and prevent re-liquefaction of chlorine gas.
Catalogue
Modular Vent Valve
Relieves venting gas to a safe location at approximately one PSI
For use with switchover regulators which do not have a built-in vent valve
Can be provided with the Series 900 System if desired (vent feature on the Series 900 regulator can be plugged)
Available in three capacities: 100 PPD, 250 PPD and 500 PPD
Appropriately sized tubing connectors and insect screen for the vent tubing are included
Catalogue
Modular Rate Control Valve
Up to 600 GPH (10 GPM) liquid or 2,000 PPD gas.
1" Socket Connections.
Designed for vacuum systems but are rated for up to 70 PSI.
Machined PVC bodies and high-quality chemically resistant materials.
Can be used with a wide range of chemical applications including: Sodium Hypochlorite, Sodium Bisulfite, Chlorine, or Sulfur Dioxide.
May be usable for other applications. Please consult us.
Catalogue
Remote Meters
Chlorine and Sulfur Dioxide
Available in various designs and capacities up to 6,000 PPD (120 kg/hour) Capacity Cl2 or SO2

Ammonia
Available in various designs and capacities up to 1,000 PPD (20 kg/hour) Capacity NH3
Catalogue
Switchover
Automatic Switchover/ Changeover (Analog Type)
Available in various capacities from 0.6 PPD (12 gr/hr) up to 4000 PPD (80 kg/hr)
Available for Chlorine and Sulfur Dioxide

* Electronic Type is available!
Please see our "Electronics" page
Catalogue
Lifting Bar & Trunnion for Ton Container Drum
The Hydro Roller Trunnion base is fabricated of ASTM-A36 steel and has a 2-part epoxy finish to resist corrosion. Rollers are zinc plated and equipped with bronze bushings for easier rotation and prevention of seizure. Roller pins are zinc plated steel with alemite grease fittings for ease of lubrication. Frames are drilled to allow the use of anchor bolts or lag bolts.

The Hydro Lifting Bar used to move chlorine ton container drum.

The Hydro Trunnion and Lifting Bar are made with Chlorine Institute USA standard.
Catalogue
Flex Connector Adapter
For Chlorine or Sulfur Dioxide Gas
3/4" Male NPT x Flex Connection
Outlet threads are 1.030-14 NGO (CGA-660)
Vacuum Tubing and Tube Fittings
Available in various design, size and length
Catalogue
Water Inlet Assemblies
Available in PVC or CPVC
Various Sizes Available (1/2" - 2")
Sold Separately or Panel Mounted with a Chemical Feed System
Built to Suit - Specify: Size, Material, Gauge Range, Valve / Check Valve (if desired)
Catalogue
Open Channel Diffuser
Available in PVC or CPVC
Provides more effective mixing in open channels and contact chambers
1/2" through 4" pipe diameter
Every unit is custom-built: pipe size, length, hole diameter, hole quantity, hole spacing and inlet connection
Catalogue
Pressure Gauge with Adjustable Pressure Switch
Adjustable dial face alarm settings
Large 316 SS, 4 Dial (100 mm)
Tantalum diaphragm protected
Convenient rear access relay connections
Catalogue
Pressure Switch with Diaphragm Protected
The PSL-J6-MGIS is a reliable and sensitive pres- sure switch. Its compact design and combination of set-point sensitivity offers cost-saving solutions for a variety of applications.

The PSL-J6-MGIS is ideally suited for a wide range of industrial processes such as alarm/shutdown and low/high service pressures.
Catalogue
Sample Water Recovery System
Eliminates wasted water from analytical devices
Accomodates up to 20 gal / hour of sample water flow
Provides safety / overflow connection and tubing
Provides atmospheric pressure manifold to prevent suction being drawn on analysis instrument / device
Catalogue
Vacuum Solenoid Valve
Suitable for Chlorine or Sulfur Dioxide
Up to 500 PPD capacity
Available in 120VAC or 240VAC
Wall mounting bracket and tubing connectors included
Field serviceable

VSH-683-100-IS - For 100 PPD (3/8" Tubing Connectors)

VSH-683-250-IS - For 250 PPD (1/2" Tubing Connectors)

VSH-683-500-IS - For 500 PPD (5/8" Tubing Connectors)
Catalogue
Vacuum Switch
The VH562-1001S is a reliable and sensitive vacuum switch. Its compact design and combination of set-point sensitivity offers cost saving solutions for a variety of applications.

The VH-562-1001S is ideally suited for a wide range of industrial processes such as alarm/shutdown and low/high service pressures.
Catalogue
Emergency Kit for Ton Container
Available for Chlorine and Ammonia Service
Chlorine Institute USA Standard
For Ton Container Drum (1 Ton Capacity)
Catalogue
Emergency Kit for Cylinder
Available for Chlorine and Ammonia Service
Chlorine Institute USA Standard
For 100 / 150 lbs Cylinder
Catalogue
Electronic Vacuum Monitor
The VM-150-CIS vacuum monitor is 100% electronic, full featured monitoring system with a three digit digital readout.

The system utilizes the latest in integrated sensor technology that results in improved accuracy, reliability, versatility, and chemical compatibility.

All monitors come standard with an analog output for connection to local monitoring equipment.
Catalogue
Gas Manifold Y-Strainer
Available in 3/4" NPT
Monel Screen
Catalogue
External Alarm Light & Horn
An external alarm light with combination audible horn is an electronic device designed to alert operators and other personnel both visually and audibly to a specific danger.
Catalogue
Injection Diffusers and Main Connects
Main Connections:
- MNPT - 1/2" x 1/2"
- MNPT - 3/4" x 3/4"
- MNPT - 1" x 1"

For gas and liquid injection
Excellent reliability & chemical resistance
Solid Machined Construction
Available in PVC, CPVC and PVDF Kynar (For custom materials please consult Hydro Instruments)
Catalogue
Lead Gaskets
Various Thicknesses Available
Header Valve (Cylinder Valve)
Available for Chlorine or Sulfur Dioxide
Also available for Ammonia
Chlorine Institute USA standard
Drain Valves
Drain Valves (also called "Anti-Flood Valves")
Prevents leaking water from entering dry equipment
Provides a relief for leaking water (at 1 - 2 psi)
Available in three capacities: 100 PPD, 250 PPD and 500 PPD
Appropriately sized tubing connectors and insect screen for the drain connection are included
Catalogue
Calibrations Columns
Metric Ranges
100, 250, 500 & 1000
ML/Minute

US Gallon Ranges
1.5, 4, 8 & 16
US Gallons/Hour
Catalogue
Manifold Union (Henry Union)
Available in 3/4" NPT and 1" NPT
Ton Container Mounting Adapter
Universal Ton Adapter
With 25 watt heater, drip leg, and header valve
To convert direct cylinder mount vacuum regulators to direct Ton mounting
Compatible with any brand of Chlorine or Sulfur Dioxide Vacuum Regulators
Catalogue
Twisted Cylinder Wrench
Open End Fits Valve Packing Nut & Cap
Closed End Fits Stem and Hydro Yoke Half-Dog Bolts
Weighing Scale
Hydro Instruments offers weighing scale with Alarm function & Digital Indicator (all from top-quality manufacturers):
150 lb Cylinder Scales and accessories
Ton Container Scales and accessories
Cylinder
For Chlorine Service
Ton Containers DOT-106A Seamless
For Chlorine Service
For Anhydrous Ammonia
For Sulphur Dioxide
Chlorine Institute USA standard
DOT class 106A forge welded
Payload CL2 capacity available in 907 kg & 1,000 kg
 
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