This graphite valve packing features advanced construction for superior leakage control and high integrity:
- Layers of graphite tape are plied into compact strands
- Each strand is reinforced with an Iconel® wire mesh covering
- Strands are square plait braided to form a dense pliable packing and further enhanced with blocking agents
- The packing's exterior is densely coated with lubricating agents to reduce stem friction
- A passive corrosion inhibitor is applied to prevent valve stem pitting
Iconel® is a registered trademark of Special Metals Corporation.