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Fluid Flow Control Animations
Fluid Flow Control Animations

Pulsation Dampeners - Packed Plunger / Piston Pumps

Pulsation Dampeners - Packed Plunger Pumps Even with the exceptional packed plunger pump suction lift capability from minimum dead volume, slow long stroke and small plunger diameter, there are still - filling problems - galore! pads of pressurized nitrogen gas are applied to the supply tanks, as soon pressure falls below at which pad saturated liquid comes back out solution, and simulates cavitation. so unless you provide a suction boost pump well, every stroke begins with loss volume into potential fall in output. The smoothest dosing is from packed plunger pumps For constant velocity to the system – 1/8” (3 mm) ID autoclave For pump peak discharge – 0.294” (7.5 mm) ID Seaboard Lloyd For pump peak demands – 3/4” (20 mm) Lense ring For constant suction velocity – 1/2” (12 mm) ANSI or Din flange Jacketed PipeHugger LP The rule of 2:6:3:1 ratio of cross sectional areas inside the pipes. more flow and pressure stabilization is achieved by having: 1. a pipe sized for 0.6 meters per second constant velocity to suction damper. 2. peak from damper pump inlet check valve. 3. discharge 4. 3 system. 1. Cooling jacketed damper brings temperature below vapor pressure at temperature 2. The damper sized to recover 96% of the suction mass acceleration head loss RESULTS – in less than 2 weeks and under $600 1. The constant velocity caused in the supply line enables a pipe size reduction, which reduces time in the pipe and so reduces the warming even further. Metering accuracy increase - 9% deviation down to 1/2%, consistent foam, and save excess blowing agent. First address the suction system, no pump can give you smooth flow unless it can fill properly. Dampers that do, flow goes through, pressure problems do not.



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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