Manual Buttweld-Inch Butterfly Valve ValvesValves Butterfly Valve Manual Buttweld-Inch Manual DIN 11851 Female X Male Manual DIN 11851 Male X Male Manual Triclamp-Inch Sample Valve Vacuum & Pressure Relief Valve Other Products Brewery Equipment Fittings Level Gauge Manways Process Lighting Sight Flow Indicator Sight Glass Spray Balls Washdown Equipment HomeValvesButterfly ValveManual Buttweld-Inch Manual Buttweld-Inch Model BVBW 4S TAS Model BVBW 6E KSL