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Check Valves

AOP is a preferred supplier to the oil and gas industry. The Series SC full opening through conduit bubble tight seal check valves are designed, manufactured, tested and monogrammed in accordance with API 6D requirements. Series SC check valves are qualified to API 6FD fire test and NACE. The rugged Series 310 threaded check valve offers dependability in demanding applications. Minimizing down time and lowering operating cost. All AOP check valves are inline field repairable.

AOP SC Series Check Valves

SC Series Check Valves

The SC Series is a cast carbon steel body, bolted bonnet, full opening, through conduit swing check valve. Bolted bonnet construction allows disassembly on the jobsite for easy service and repair. SC Series check valves are available in sizes 2” to 12” ANSI classes 150 through 1500, in raised face (RF) and ring joint (RTJ) flanged end connections where applicable.

Standard Features

Stainless steel clapper
Fire tested
Bolted bonnet with vent
Body drain on valves 4" and larger
High fluorine FKM seals
Replaceable seat option available upon request

Standard Compliance

API 6D/ ISO 14313
API 6FD
ASME B16.34
ASME B16.5
NACE MR-0175-2002
Enduro-Bond TM coating available

AOP 310 Series Check Valve

310 Series Check Valves

The 310 Series is a ductile iron, threaded bonnet, full opening, swing check valve. Threaded bonnet construction allows disassembly on the jobsite for easy service and repair. 310 Series check valves are available in sizes 1” to 4” 600psi to 2000psi maximum working pressures in threaded end connections.

Standard Features

Stainless steel clapper
PC Buna seals

Standard Compliance

NACE MR-0175-2002
Enduro-Bond TM coating available

More Information


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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.

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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