Wheatley series 822 check valves
Protect your pumps with this compact design
Overview
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 bubble-tight 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
- NACE MR0175/ISO 15156 compliant
- Designed per ASME B16.34
Helpful links
About SLB