gland packing enka shilla PTFE Graphite Gland Packing Non Asbestos Gland Packing was created as a sealing device (blocking device), but because it has to drip, it is more accurately called a restrictional device. Usually made with a braid or woven system with a box-section shape. The constituent materials can be graphite, acrylic, PTFE, asbestos etc. This tool has a function to control leaks, not to prevent all leaks. Gland Packing must always be lubricated and the recommended leakage to maintain lubrication is about 40 to 60 drops per minute. The method of lubrication of the packing depends on the condition of the fluid being pumped as well as the pressure in the stuffing box. Gland Packing Graphite