For proper Diaphragm Pump selection understanding of fluids properties is mandatory. Fluid flow is highly dependent on the viscosity of fluids. Basically, viscosity is a resistance to the flow which must be taken into account during pump size selection. Viscosity of fluids can change under different conditions. We can divide liquids into following groups: • Newtonian …
Sodium hydroxide NaOH (common names – caustic soda, soda lye, white caustic, sodium hydrate) is one of the most commonly used industrial chemicals. It is very often used for pH control (to raise it) as it is very alkaline. The most used concentration of NaOH is 50%. The major consideration during pumping sodium hydroxide (caustic …
Industrial users of sodium hypochlorite (NaOCl), especially its highly concentrated solutions must utilize pumps that: Will prevent any spills of this extremely corrosive and harmful to human substance. Will minimize high propensity of sodium hypochlorite to off-gassing during pumping process. PVDF, PTFE and Hastelloy are pumps body materials compatible with sodium hypochlorite. Diaphragm Pumps with …
The selection of the pump for sulfuric acid (H2SO4) must always take into consideration the acid concentration with its specific gravity, temperature, and the working conditions of the pump. In general, it is difficult to find material which can resistance over all concentration range and temperature of sulfuric acid. There are only few special, expensive …
