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Fluid Flow Control Animations
Fluid Flow Control Animations

Pulsation Dampeners - Flow Fluctuation Smoothing

Pulsation Dampeners - Flow Fluctuation Smoothing



Pulsation-Dampeners.com
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Click on the picture of the damper below to see how it works and is assembled, animated.
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For Flow Fluctuation Smoothing On a Typical a.o.d.d. Pump with ldi FlexFlon FlexOrber LP – stainless steel and PTFE A straight line from pump to diaphragm in the dampener. Use a big air line please. Ensure that a large bubble does not collect. FlexFlon diaphragm Simply, How it works: 1. Flow rarely goes above 15 mph (24 kph). There is time for it to go up a single connection come to a halt, and flow back out again, to keep the liquid moving whilst the pump is changing from one stroke to the next. 2. By smoothing the flow in this way, the pump does not have to generate pressure peaks to accelerate the liquid with each stroke. 3. Flow smoothing reduces the pressure pulsation a pump must create to overcome the resistance that your system has caused. 4. The response of your system to the residual level of flow fluctuation, is usually at a higher frequency, and travels as pressure waves at typically 3500 mph (5600 kph). 5. To address pressure wave pulsation, intercept this pressure pulsation with flow-through pulsation dampeners. (See next page “Pressure Pulse Damping This single connection approach to flow smoothing requires the use of a T piece. this method does not ensure in place flushability for service technician protection. use of a flow smoother with single connection, cannot guarantee pressure stability, [or at all above 10 hz] without first having made system pipework, etc. analysis. Cushion Pre-fill Pressure: For volumetric flow fluctuation smoothing, 80% of line pressure. For best results, keep the distance between flow smoother and pump to no more than 10 pipe internal diameters. To ensure that neither air nor gas bubbles collect and cause the pump to lose prime, install with liquid connection at the top. For Suction Systems. For optimum performance ensure a straight line from the pump connection the diaphragm in the dampener. For the Discharge of Pumps with Horizontal Connections. For dimensions, see inventory dimension tables Low pressure series – stainless shell and wetted parts with PTFE diaphragm Single connection for flow fluctuation damping. (For in place flushing or pressure pulsation, ask for twin connection series.) Flow FLuctuation Smoothing on a typical AODD pump with LDi FlexFlon