ZGV Industrial Valve >> Products >> Oil Drilling&Wellhead System >> API 6A gate valve >> Expanding gate valves
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Expanding gate valves
The ZGV expanding gate valves are designed for oil and natural gas wellhead or other critical service applications with operating pressures from 2,000 psi to 5,000 psi. All ZGV expanding gate valves are API 6A Latest Edition monogrammed equipment and are available in bore sizes ranging from 2-1/16" through 7-1/16".
Features and Bennefits:
» Operating Temperatures: API Rating L (-50 F) thru Y (650 F), X & Y Available against request
Features and Bennefits:
» Operating Temperatures: API Rating L (-50 F) thru Y (650 F), X & Y Available against request
» Expanding Gate provides a tight mechanical seal that does not rely on line pressure. This ensures seal integrity at both high and low pressures.
» Chevron style stem packing is replaceable and can be re-energized by injection between the packing stacks. This ensures efficient sealing for the life of the valve. Graphite packing is used for high-temperature applications.
» The valve body may be lubricated through the grease fittings provided in the valve body. All fittings meet the requirements of NACE MR0175.
» The full through conduit bore provides for smooth flow with minimal turbulence. It also provides an unobstructed passage for well intervention tools.
» All Vatac Expanding Gate valves are drift tested in accordance with API 6A Latest Edition requirements.
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