Fully Teflon (PTFE) lined butterfly valve body available in lug or wafer pattern, 150# class for corrosive process line application(s). Ductile iron (ASTM A395) body, 304 stainless steel disc/stem fully Teflon (PFA) lined, machined Teflon (PTFE) seat, Viton body liner backing & o-rings, stainless steel fasteners/hardware, ANSI B16.10 face-to-face dimensions, testing per API 598/EN 12266-1, stem/actuator mouting pad per ISO 5211.