Valve lockout ensure that any machinery operated by the valve remains closed during repair or maintenance work. Valve locking is achieved by mounting a valve lockout devices on the operating part of the valve, such as the valve handwheel or handle, and then securing it into place with lockout hasp or safety padlock. LEDS can close all kinds of valves: gate valve, ball valve, butterfly valve, plug valve and cylinder, pneumatic valve. Adjustable and universal valve lockout offer optional flexibility.