Calvary Valve API 6D through-conduit expanding gate valves provide dependable shutoff and sealing
reliability for a variety of demanding isolation applications including, but not limited to:

• Pipelines • Power Plants
• Emergency Shutdown • Liquids Storage

Calvary Valve valves provide superior bi-directional, mechanical sealing by utilizing a two-piece gate
assembly that expands against each valve seat sealing surface. Because the seal is achieved mechanically
in either the open or closed position, the seal becomes tighter as the torque applied to the
hand wheel increases. This provides a truly reliable seal that is typically not affected by heat, pressure
surges, vibration or other abnormal service conditions.

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