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Mud Pump Pulsation Dampener is usually installed on the discharge line to reduce the fluctuation of pressure and displacement of the drilling mud pump.

Mud Pump Pulsation Dampener is a pneumatic device built into the outflow line of each UUD pump to dampen the pressure fluctuations resulting from the action of the pump. Although presented as a surge tank, this device is really a device that can be tuned to greatly diminish the output pulsations transmitted downstream from the mud pump. Unfortunately, the effectiveness of the pulsation dampener is a function of both output pump pressure and frequency of the pump pulsations.

The EQUAFLUX 100 pulsation dampener is installed downstream of the pump to reduce pulsations and create a smooth and laminar flow. The casing can be manufactured in many materials, including; polypropylene, PVDF, PPS-V and stainless steel 316. The diaphragms come in PTFE as standard, the combinations of material options make this pulsation dampener suitable for use with a wide range of fluids.

A pulsation dampener works by creating an area of low pressure that absorbs the pulsations emitted by the pump. A diaphragm is fitted that has a cushion of compressed air, this flexes and absorbs the pulsations. The EQUAFLUX 100 is connected to the air line and fed with compressed air, the diaphragm and air work in conjunction and automatically adjust the pressure to minimise pulsations in the pipework.

The EQUAFLUX 100 pulsation dampener can be utilised for many fluids in the industrial and marine markets, including; fuels, oils, chemicals, acids, waste water, glues, resins, paints and inks. Applications for this pulsation dampener include; mechanical and metalworking industry, ceramic industry, petrochemical, waste water treatment, biofuels, marine (bilge, slop, sewage), mining, textile industry, automotive industry, paint industry, cosmetic industry, cleaning industry and ink and print industry

This pulsation dampener is Atex zone 2 as standard meaning it is suitable for operation in non safe potentially flammable environments. As an option, this can can come in an Atex zone 1 version if required.

This pulsation dampener is designed to reduce pressure fluctuations or pulsation common in all positive displacement pump systems. It must be nitrogen pre-charged prior to installation on the discharge side of the pump. It will prolong the life of the pump and system components by reducing pulsation to + or- 3%. This is constructed of 316SS with an NBR bladder for special fluid compatibility.

For more information about pulsation dampeners, we sat down with Brandon Dalrymple and Nathan Ackeret fromBlacoh Fluid Control(manufacturer of pulsation dampeners, surge suppressors, and inlet stabilizers), and asked them to answer a few of our customers’ most common questions about pulsation dampeners.

Pulsation dampeners absorb the energy from the pulse wave created by a positive displacement pump, much like a shock absorber on a vehicle. Absorbing those pulse waves protects pipe welds and supports, and system components from damage due to pressure or excess movement.

A pulsation dampener creates an area of low pressure in the system with enough volume to absorb the pulsation. The pulsation dampener has a membrane with a "cushion" of compressible gas/air behind it that flexes to absorb the pulse, allowing a laminar flow downstream of the dampener.

Pulsation dampeners are commonly used wherever a positive displacement pump discharges flow in an unsteady manner, and where the pulse is not desired for the piping system. Air operated double diaphragm, metering and hose/peristaltic pumps typically benefit from a pulsation dampener.

The type of pulsation dampener used is typically defined by where they are placed in the system, and what they need to do. For example, "pulsation dampeners" are on the downstream side of the pump, "inlet stabilizers" are on the inlet side of the pump, and an accumulator or "surge suppressor" is used next to a valve or other device that restricts the flow in a system.

This video shows where you would place an inlet stabilizer, and how it is used to reduce the pulsation with an air operated diaphragm pump in suction lift conditions.

If you"re experiencing problems with rattling pipes, intermittent flow, water hammer, or pulsations in your system, don"t ignore it. Take the steps necessary to control these symptoms to prevent system deterioration down the road.

Need help with pulsations or water hammer problems? Ask us about it! We gladly provide technical assistance to businesses in Wisconsin and Upper Michigan.