PG [PulseGuard]
Pulsation Dampers offered by PulseGuard Ltd.
Pulsation Dampers by PulseGuard Ltd.
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Fluid Flow Control animations by Liquid Dynamics.

Pulsation Damper Information PDF Pulsation Damper PDF PG30 Printable Version

Pulsation Dampers - Add Friction From System Flow Resistance

Add Friction From System Flow Resistance to "A.H." figure. Also known as "Viscous drag" "scrubbing action" "Rotary flow" "Reynolds effect".

Pulsation Dampening CalculationsPulsation Dampening Calculations
Estimating Flow Fluctuations
Pipe Fitting Component
Round the corner of a Tee
Past a side opening of a Tee
Back into line from a side opening in a Tee
Rounded corner 90° elbow (Long Rad. or L.R.90)
Abrupt 90° elbow ("hard" 90 or Machined "L")
Gentle 45° elbow (Bends & or "5D" 90)
Effective Length of Pipe System
Leff := L+(0.0667xDxT1)+(0.0209xDxT2)+(0.0667xDxT3)+(0.0327xDxE1)+(0.0681xDxE2)+(0.0144xDxE3)
Figures applied for E and T are averages from tests

2. CALCULATIONS
2.1 Velocity V of the flow in the pipe:
2.2. Reynolds Number:

2.3 Friction Factor: (cold drawn pipe)
2.4. Pressure loss: