GF Piping Systems adds new Pressure Regulating Valve (PRV) family that eliminates elastomers, exterior metal parts and re-torqueing, and it also provides easy maintenance and flexibility. The valves' the new design includes a patent pending piston that eliminates the use of elastomers in the valve, it also has a high-purity operation and a central housing nut that does away with re-torqueing among other features.
