Rugged, cast iron Liquid Drain Valve is excellent for dispensing heavy oils, light grease, food products and other non-flammable viscous liquids from Guardair drums. Lapped brass faceplate provides smooth operation and a perfect seal, while a sturdy, two-inch metal handle offers optimum flow control. Inlet threads into the bunghole of Guardair 20, 30 and 55 gallon drums. Can be padlocked. Accessory.