Chesterton 1600 Graphite Valve Packing
Superior Leakage Control
This graphite valve packing features advanced construction for superior leakage control and high integrity:Layers of graphite tape are plied into compact strandsEach strand is reinforced with an Iconel® wire mesh coveringStrands are square plait braided to form a dense pliable packing and further enhanced with blocking agentsThe packing's exterior is densely coated with lubricating agents to reduce stem friction A passive corrosion inhibitor is applied to prevent valve stem pittingIconel® is a registered trademark of Special Metals Corporation.Temperature Limit 650°C (1200°F) steam 455°C (850°F) oxidizing environmentPressure Limit 580 bar g (8400 psig)Chemical Resistance pH 0 to 14 except in strong oxidizersApplications All isolation valves