Home / BRADY / Lockout Tagout / Valve Lockout & Hose lockout / Butterfly valve lockout Butterfly valve lockout Butterfly valve lockout devices have an innovative design built to lock out butterfly valves with the lever handle in the OFF position. These devices will accommodate butterfly valve handles up to 2.5″ and 4″ depending on the size of the device. Categories: BRADY, Lockout Tagout, Valve Lockout & Hose lockout Product ID: 1891 Related products Details BMP21 PLUS Hardside Carrying case Details BMP21 LAB Rechargeable Battery Details BMP41 AC Adapter BMP41 Printer (BMP41), BMP41 Hard Case (BMP41-HC),