[Introduction]: A wear-resistant pinch valve with excellent corrosion resistant and sealing ability. [Capacity]: 1.6MPa/cm [Improvement]: Using high wear-resistant rubber as the inner lining of the pinch valve, its abrasion resistance can reach 128%, and the service life is more than twice that of ordinary rubber, using it as the spool of the pipe clamping valve, so that the pipe clamping
Get Pricepinch valve closed times in seconds, and pinch valve open time International Heavy Minerals Conference Fremantle, WA, 18 - 19 June 2001 123 KNELSON CONTINUOUS VARIABLE DISCHARGE CONCENTRATOR
→For the CVD, the objective is to maximise both grade and recovery as a function of machine variables; pinch valve open duration (PVO), pinch valve closed duration (PVC), bowl speed (BS) and
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→the pinch valve open time (PVO, seconds), pinch valve closed time (PVC, seconds) and G force of CVD, as presented in Table 1, and collecting cross cut samples from the feed and CVD concentrates. To evaluate the effect of operating variables on the metallurgical outcomes, the non-machine variables, i.e. feed pulp density, feed rate
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→The concentrator will discharge the concentrate while simultaneously processing fresh feed, whereas batch units must be stopped intermittently to remove concentrate. A series of pinch valves, located at the base of the fluidised rings, are kept closed by air pressure
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