Blacoh's Sentry Pulsation Dampeners

Blacoh pulsation dampener Logo
The Blacoh SENTRY is a series of pulsation dampeners designed to reduce pressure spikes and hydraulic shock in a fluid process system caused by positive displacement pumps. They are good preventive technologies for minimising the occurrence of agitation, foaming, splashing, and degradation of products. Apart from protecting the pumps from premature wear, pulsation dampeners are also engineered to enhance the all-around performance and reliability of pumps working in industrial and chemical transfer applications.


Abaque Peristaltic Pump HD25 model

Design Advantages

  • Fits pump discharge sizes from 3.18 mm to 76.2 mm
  • Handles a temp range between –51.11 and 204.44
  • Custom models available up to 378.54 li and 1723.69 bar
  • Up to 99% pulsation and vibration-free
  • Easy in-line maintenance
  • Simple, reliable design and quick installation

Available Options

  • Air Control Options
  • Accessories: Stabiliser, Diaphragm Seal
  • Custom models for higher pressure
  • Bodies and bladders for corrosive conditions
  • NSF/ANSI 61, CE, ATEX, CRN certifications for select models
Get a full list of your options and available accessories for Blacoh Pulsation Dampeners when you get in touch today!

Key Specifications

  • Pressure ranges: Plastic: up to 17.24 bar, Metal: up to 1034.21 bar
  • Bladders & Bellows: Aflas, Buna-N, Buna-N (food grade), EPDM, Hypalon, Neoprene, PTFE, Santoprene, Silicone (food grade), Viton
  • Inlet Types: Plastic- FNPT, BSP, ANSI Flange, DN Flange, Socket Weld; Metal- FNPT, BSP, ANSI Flange, DN Flange, Socket Weld, Tri-Clamp


  • Suction Stabilization
  • Pulsation Dampening
  • Surge Absorption
  • Back Surge
  • Energy Storage
  • Compensate for Leaks
  • Compensate for Pressure Change


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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