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Blacoh's Sentry Pulsation Dampeners

The Blacoh Sentry AODDampener™ offers a cost-effective solution for optimising airflow in air-operated double diaphragm (AODD) pumps. It mitigates common issues such as water hammer, harmful vibrations, and product degradation while helping to reduce overall energy consumption.


By protecting pumps against premature wear, this pulsation dampener improves the performance and reliability of AODD pumps in demanding applications, including industrial and chemical transfer.


Features & Benefits
Know more about the features & benefits of using Blacoh's Sentry Pulsation Dampeners.
  • Fits any AODD pump brand with sizes 1, 1.5, 2, and 3 inches
  • Compatible with most fluids and a wide range of metal and steel AODD pumps
  • Built to protect systems from water hammer and eliminate up to 99% pulsation
  • Automatically controls air flow, helping reduce air usage and overall energy costs
  • Tested and rated to 1.3 bar
  • Machine welded for precise finish
  • Easy installation and in-line maintenance
  • Simple, reliable design and quick installation
Available Options
We customise pumps according to your specific application. Get in touch with us to know your options.
  • Certifications and testing: ATEX on request
  • Connections: male NPT and BSP on request
Key Specifications
Here are the key specifications of Blacoh's Sentry Pulsation Dampeners.
  • Construction: 316 Stainless Steel Housing | PTFE Diaphragm
  • Pump size: 1”, 1.5”, 2”, 3”
  • Pressure rating: up to 150 psi (10.3 bar)
  • Connections: NPT, BSP, ANSI Flange, tri-clamp;
  • Air control: Automatic and EPR Fireworks
Applications
Here is a list of industrial applications for which Blacoh's Sentry Pulsation Dampeners are commonly utilized.
  • Suction Stabilization
  • Pulsation Dampening
  • Surge Absorption
  • Back Surge
  • Energy Storage
  • Compensate for Leaks
  • Compensate for Pressure Change
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PRINCIPLE OF OPERATION

Blacoh Pulsation Dampeners work by supplying an equal pressure to the pulsation supplied by the pump. The Dampener delivers this pressure during the low-pressure points of the pump’s operation, as the pressure drops between pump strokes, creating a pulsating flow. The pressure provided by the dampener decreases pressure variations, therefore producing a steady flow from your Diaphragm Pump.

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