Engineered Equipment
  • lone oil
    AOP
    Backed by Cameron’s commitment to quality, customer service and product improvement, AOP valves deliver dependability at an affordable price.
  • lone oil
    DEMCO
    DEMCO Valves are the valves of choice, engineered and proven for drilling and production industries.


Wheatley Logo

WHEATLEY Swing Check Valves

Wheatley Logo
Standard Features

Size range: 1/2" through 12"
ANSI Classes: 150 - 250
API 2000 - 15,000
End connection availabilities including weld end, socket weld, threaded end, hub end, and flanged end
One moving part
Integral and renewable seats
Easy to maintain with convenient top entry access to all valve internals
High and low temperature, corrosion resistant
Full line of piston and wafer check valves

Optional Features

Combination end connections such as flanged by weld are available
Integral or renewal seats
Through-conduit clapper design
Externally adjustable spring loaded clappers
Slam retarders
Manual or actuated lock open assemblies
Subsea and Emergency Shutdown (ESD) systems including diverless, remotely controlled systems
Body drain taps
Vertical service applications
Accessory mounting
Lever lock open assembly
Fail safe check valves
Position Indicator check valves


Body Construction

High alloy materials for corrosive service.
Special alloy materials (bodies and/or trims for high temperature service.
Grade LCC material (bodies and covers) for low temperature service.


cameron logo

Cameron is a leading provider of flow equipment products, systems and services to worldwide oil, gas and process industries. Leveraging its global manufacturing, engineering and sales and service network, Cameron works with drilling contractors, oil & gas producers, pipeline operators, refiners and other process owners to control, direct, adjust, process, measure and compress pressures and flows.


More Information

Our Facilities

Engineered Equipment maintains three stocking warehouses convenient to major production areas.

EEI Warehouse
Casper, Wyoming

EEI Warehouse
Farmington, New Mexico

EEI Warehouse
Williston, North Dakota