Wheatley™ series 822 check valves are threaded-cover, fully opening swing check valves, designed to prevent backflow of liquids or gas in pipeline applications.
Applications
Downstream of pumps and compressors to prevent reverse flow
Pipelines transporting liquids
Gas storage
Gas processing stations
Land exploration and development drilling
Pump stations and wellhead inspection facilities
Benefits
These check valves protect your pumps by preventing backflow. The top-entry design enables inline repairs, saving time.
Features
Compact design
Full opening
Beveled, self-aligning clapper and seat design with a molded seal for bubbletight shutoff
Suitable for vertical flow upward or horizontal installation
Three different seal options
316 stainless steel standard trim, suitable for a broad range of service conditions