90G Check Valve

The Fig 90G Check Valve is designed for use with Anvil Gruvlok couplings for fast and easy installation on grooved pipe.

In-Line Check Valves

Tulsa’s in-line check valves are assembled in Houston, Texas. They are designed to be suitable for air, gas, vapor, and liquids. Applications for the in-line check valve includes flow lines and/or injection lines such as chemical or lubrication.

Ball Check Valve

Tulsa provides the oil patch with dependable, trouble-free, competitively priced, high-quality ball check valves. Our ball check valves are available in ductile iron or carbon steel. We stock both 1” and 2” bore sizes.

Swing Check Valves

API 6D Swing Check Valves

GWC USA produces a full line of API 6D Full Opening Swing Check Valves in both carbon steel and low temp materials as well as full stainless steel as required.

Threaded Swing Check Valve

Tulsa’s threaded swing check valves are high-quality check valves assembled and tested in Houston, Texas. Our swing check valves are available in ductile iron or carbon steel. All of our threaded swing check valves conform to NACE MR0175 requirements to meet your corrosive service needs.