Bee Valve Inc. offers full port, single union, Polypropylene Ball Valves. These valves come standard with EPDM O-rings (Viton kits are available) and Teflon seats. All valves are 100 percent pressure tested with operating pressure of 125 psi max at 70 degrees Fahrenheit. The single union ball valves are available in sizes from .5" to 3". Also available are three-way, multi-port polypropylene ball valves. The three position settings are: bottom-to-right, bottom-to-left, and off. Two valve sizes are available: .75" true union full port, and 2" single-union, standard port.