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  1. 3sam

    Chemical admixture relief valve keeps clogging

    Thanks for the input guys. Haven't bursted peristaltic pumps hoses (yet), the system was made with the relief valve output going back into the source container. Worked wonders when water testing, horrible with actual admixture. Tha Shotcrete does not flow through this line. Is only admixture...
  2. 3sam

    Chemical admixture relief valve keeps clogging

    1.Valve wasn't sized according o any parameters. It was an emergency install where whatever was better than no valve. We want to replace for the right one asap. 2. Operating pressure will be around 40psi. Set pressure is 120PSI. I think this application demands a safety valve, as the flow...
  3. 3sam

    Chemical admixture relief valve keeps clogging

    Hi. First post after reading quite a few. I'm using a simple spring relief valve (Herbert HNVA Link in the output of a peristaltic pump (Valisi FPSH20) to control pressure in the delivery system (3/4" hose, 60m) for fast setting admixture for shotcrete (Sika Sigunit L54-AF MO. Based on aluminum...

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