Our company can be summed up in one word – valves. PR Valves, LLC is a stocking distributor for all of your diaphragm valves that you have been seeking. We carry many name brand hard-to-find rare diaphragm valves in cast steel materials and in strainers - duplex and simplex styles. Check out our huge selection of valves – common, specialized, unique, or we can modify one for you.