January 16, 2008 - Built with blowout-proof stainless steel stem, Series PBFV valves are offered with PVC and CPVC thermoplastic construction for corrosion resistance in chemical and wastewater applications. One-piece body incorporates fully supported flanged bolt holes to prevent stressing of mating pipe flanges, and full body liner with V-notch retention design ensures positive sealing of EPDM or FPM liner to valve body. Valves will not contaminate sensitive fluids.