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Blacoh
Air Operated Double Diaphragm Systems
Introducing Blacoh's all-new pulsation dampener designed
specifically for AODD pumps.
When it comes to dampeners for AODD pumps, you don't have to sacrifice quality for price. Backed by the name you know and trust, our new AODDampener is a market-responsive quality product that improves the performance of your system, reduces water hammer and the common shaking of pipes caused by AODD pumps.With its universal materials: 316 Stainless Steel and PTFE backed diaphragm, these units will cover almost all fluid applications and can be easily used in a full range of system materials from plastics to metals.
Watch the videos below to see the dampener’s performance and benefits in action.
Proven Performance
We are dedicated to providing you with the most competitive pricing while still maintaining that the AODDampener is quality sourced, manufactured and assembled to ISO 9001:2008 standards here in the United States.
Extensively tested and rated to maximum pressure of 150 PSI (10.3 bar).
Improve your AODD pumping performance, reduce harmful vibrations and save on overall energy cost of your system
Fully Automatic Air ControlOur newly designed fully automatic air control is connected internally to the diaphragm and automatically adjusts when needed.
Low Air Consumption:
When connected to a plant air supply line, the fully automatic air control only takes the air needed to adjust to the change in pump discharge pressure.available in two sizes for convenient stocking
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Blacoh Products
Blacoh Hybrid Valve
The future of metering pump systems. Introducing the world's first combination pulsation dampener & back pressure valvve:
The new patent-pending Hybrid Valve™ from Blacoh combines the steady flow control of a pulsation dampener and the regulation of a back pressure valve to deliver the performance and functionality of both. Why install and maintain two pieces of equipment when the Hybrid Valve™ does the same- only better.
PERFORMANCE: THE NUMBERS ARE UNDENIABLE
The patent-pending Hybrid Valve was engineered to proven principles with state-of-the-art design for optimum performance and maximum efficiency.
In a metering pump system, using a back pressure valve alone (orange) does nothing to improve fluid flow. When put in series with a pulsation dampener, the flow improves significantly (red) but, results still can’t match the performance of the single construction Hybrid Valve for the steadiest flow (blue).
TRUST THE FLUID CONTROL EXPERTS
Location and proximity are key when installing pulsation dampeners and back pressure valves in any pumping system. A back pressure valve installed in series with a dampener can negate the dampening effect if the valve is opening and closing before the dampener is able to capture a full pulse. This quick-opening effect can also create too much gain within the back pressure valve resulting in inefficiency and chatter.
By combining the dampener and back pressure valve into a single engineered unit, we’ve eliminated the most common issues with installation for a more efficient, simplified system.
SEE THE HYBRID IN ACTION
Watch our Engineering Manager David McComb demonstrate the Hybrid Valve™ with a metering pump.
He will guide you through the performance of the pump with a pulsation dampener alone, then in series with a back pressure valve, and finally with the new Hybrid Valve™.
Understand the fluid dynamic principles to see why the Hybrid Valve™ delivers the best performance and giving your system the protection that it deserves.
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Uncategorized
Boiler Controllers
Boiler Water Controllers and Condensate Monitors
Walchem’s Boiler Controllers and Condensate Monitors have all the standard features you’d expect in conventional boiler controllers plus simple-to-use information management tools that enable water treatment professionals to deliver more effective service to their customers.
Choice of measurement units (uS or PPM) (°F or °C)
4 chemical feed options
Feed & Blowdown simultaneously
Feed after blowdown or as % of blowdown time
Feed as % of time elapsed
Feed as % of make-up waterChoice of blowdown modes for timed samples
Detects flashing during timed samples
Automatic temperature compensation
Self-diagnostics
Software, electronics, and sensor are constantly monitored without having to take controller offline.USB flashstick support for datalogs/event logs and user-configuration file import/export.
Datalogging
Ethernet option for remote access via the Internet or LANSKU: n/a -
Uncategorized
Cooling tower controllers
Walchem cooling tower controllers
The cooling tower control system shall be a capable of measuring system conductivity and temperature.The conductivity sensors shall be either a contacting style or an electrodeless style. An optional second sensor shall be a choice of pH, ORP, PTSA, free chlorine, total chlorine, chlorine dioxide, ozone, Peracetic acid, or hydrogen peroxide.
Six digital inputs are available for sensors that shall include a flow switch, contacting water meter, paddlewheel flowmeter or other dry contact devices.
Outputs shall include six mechanical relays, and two optional 4-20 mA outputs.
Digital communications shall be via Ethernet. The controller shall be accessible via the Internet for configuring, data logging, and control of relay outputs.
The USB port shall provide the ability to upgrade the software in the controller to the latest version, save all the set points from a controller onto a USB flash disk and import settings into another W600 controller, and download datalog files to a USB flash disk. On screen graphing of one analog signal and one digital signal/relay state shall be available on the touchscreen display.
Datalogging
Ethernet option for remote access via the Internet or LANSKU: n/a -
Handheld Devices
CR-200 Corrosion Rate Probes
Corrosion Rate Probes
- Easily Deployable
- Bluetooth Communication
- Battery Powered
- Minimal maintenance
CR200 = Connected to uPyxis App or BTA100 Single Display
LPR CORROSION SENSORS From Pyxis
CR200– LPR Corrosion Sensors
CR200 = Lithium Battery & BlueTooth Output
0.001 – 10 mpy
Easy Data download via our uPyxis App
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Controllers
Disinfection Controllers
Walchem Disinfection controllers will reliably and economically control your water treatment disinfection process.
Designed to be flexible and versatile, the disinfection controller is the ideal solution for disinfection applications in cooling towers, food and beverage, drinking water, wastewater and swimming pools.
Control outputs can be set as high or low set points via keypad. Auxiliary outputs can be set as:
High alarm
Low alarm
In-range output
Probe wash
Out of range alarmProbe wash feature for applications that require frequent electrode cleaning
Programmable access code secures set point parameters and prevents unauthorized use
Display any set point without interrupting control or entering an access code. Top level view:
Analog graph relative to set point
Disinfection sensor values
Status of alarms, outputsSoftware and electronics are constantly monitored without having to take the controller off-line
USB Flashstick Support standard for data logs, event/relay and reset logs, and user configuration file import/export
Datalogging
Ethernet option for remote access via the Internet or LANStandard Disinfection Sensors:
- Free Chlorine/Bromine
- Chlorine Dioxide
- Peracetic Acid
- Ozone
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Iwaki Dosing Pumps, Iwaki Pumps
EHE Series 75.7 L / H @ 150 PSI
The EHE series have capacities up to 20 gallons per hour at 150 PSI. Combining performance and an adjustment ratio of 1800: 1, one of the most versatile pumps on the market today.
Metering and volumetric pumps EHE Series
– Control: Start / Stop (ON / OFF) – 4-20 mA – pulse input – Stop / Start externalSolenoid metering pump
This new series of metering and volumetric pumps can achieve a rate of 1.25L / min and, thanks to the integrated microprocessor, to manage a wide variety of current signals or pulses.Metering and volumetric pump EH E – High Resolution
The volume injected is adjusted by means of frequency (between O and 360 strokes) and stroke length (20 to 100%), which makes possible a wide range of flow rates.Metering and volumetric pump EH E – Integrated Microprocessor
The controller includes a microprocessor that allows four operating modes (manual, proportional divider and multiplier).Dosing and volumetric pump EH E – Controller functions
Manual
The injection rate is increased or decreased by one stroke / minute in the range from 0 to 360. This setting can be carried out either on or off.
Proportional
The injection rate can be controlled by a flow of continuous type, 4-20mA, 0-20mA, 20-4 mA, 20-0mA.Divider
in response to (n) pulses, the metering pump makes an injection. The number of pulses to be received is set by the keys between 1 and 999.Multiplier
In response to a pulse, the dosing pump performs (n) injections. The number of injections is set by the keys between 1 and 999. The pump is able to memorize the pulses which occur during the execution of the previous command (maximum 250 pulses).SKU: n/a -
Iwaki Pumps
EJ Series
The EJ series provides accurate chemical injection at an economical price. Universal voltage capability allows 100 – 240VAC operation in virtually any country. The EJ series are compact, easy to use and have outputs at 1.3 GPH (LPH 4.8) and a maximum pressure of 175 PSI (1.2 MPa).
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