steel relief valve • Available with grooved butterfly valve shutoffs • Available in N and Z patterns • Size: 2½", 3", 4" available with quarter turn ball valve shutoffs *The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by ...
[35] used two ball valves to allow fluidic flows only in the left-to-right direction. A valve is a critical tool that acts as an open-close switch to manipulate fluid flow direction and flow rate. A valve can either be passive or active. Passive valves have a simpler design and do ...