The differential area form valve seat diameter to the pump chamber, to the outer seat diameter to the system, causes the check valve not to open until up to a 60% pressure differential. The release of these 60% over pressure spikes into the system produces high frequency pressure pulsation.
Type 1 in clean systems "WaG-Cer"
Type 2 in systems that can tolerate some pressure drop "WaG-HO".
Type 3 - they are much larger - for liquids that are no clean "WaG-Mt" |
"WAG-HO" WAVEGUARD Multi Chamber
A gradual transition from system connection to orifice diameter at a 7 degree * taper ensures that do not bounce the pressure pulsation back into the system.
tries to compress some almost totally trapped liquid, to a very high pressure. The decompression escape back through the gear tolerance gap, makes a pressure spike.
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By exploding pressure peaks through small holes into large chambers pulsation is destroyed. |
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WAVEGUARD Ball path Disperser
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By causing the pressure waves to travel down many paths of different length, the time base of a transient peak is spread, and so its height is removed. |
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WAVEGUARD WAG-MT. Volume Sphere
ALL LIQUIDS ARE COMPRESSIBLE
The compressibility of the liquid and the amount of entrained gases, can be made to work to your advantage.
When installed in a gravity draining orientation, these WAG-MT dampers may be used on particulate contaminated systems.
The diameter of the sphere to the diameter of the inlet and outlet connections is a vital ratio for the pulse reduction coefficient.
The parts of a litre volume change per bar pressure change, is an essential "compressibility" figure used in "WAG-MT" selection.
The volume of slightly compressible liquid accumulates flow fluctuations. The deadening effect of the liquid mass helps to reduce pressure pulsation. |
For Flow fluctuation / volumetric variation accumulation smoothing, please see PipeHugger high pressure and PipeHugger low pressure ranges.
