The COST €€ of VANE PUMPS with Various PULSEGUARD Dampers Quieting pipe noise in Vane Pump systems Most efficient, lowest cost, "Pulse" Muffler method selection. Vane pumps enit high frequency pulsation that is attenuated by an inline flow through pulsation damper interceptor. |
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| FLEXFLON WAS NOT NECESSARY Liquids with enough lubricate, to use with vane pumps, infrequency need the chemical resistance of Flexflon, PTFE, or EIDP Teflon. Virgin Teflon is "dead" and unresponsive. Stiff and rarely deflects above 30Hz. The poor response characteristics, make it necessary to greatly over size the diaphragm. Oversizing provided so much liquid that on its own, it does half the job. Although the Flexorber LP does more work as a volumetric damper than a 5 litre accumulator it is a waste of money in this application. |
Sog/TW/100i/1600p 1.3 Litres 110 Bar all 316 & TFE 1" x 0.75" 3. €2,110 |
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| GOOD FOR VOLUMETRIC FLUCTUATIONS Ideal for response up to 60Hz., and directing the spikes at the inside of the bladder, make 600% most cost effective than, for example, a PipeGuard, - PipeHugger still leaves a lot of noise in the system; though it does isolate pipe resonance from amplifying the pump signal. |
PHr/122 in3/1,050 psi 316L wetted & Dupont Viton 2. €1,365 |
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| THE PROBLEM IS HIGH FREQUENCY PRESSURE PULSATION, "ACOUSTIC" NOT FLOW FLUCTUATION WaveGuard can completely eliminate audible evidence of the 223 Hz. Frequency, for less than 40% of the cost of treating it as a flow fluctuation. |
Wag/1.2e/1,800p/ 1. €774 |
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