NACE Compliant 15,000 PSI Check Valves: Heavy Duty

The new range of Lee check valves has been specifically designed for the heavy duty applications found in the oil tool Industry (such as chemical injection).



The valves are constructed entirely of corrosion-resistant materials that are compliant with NACE specification MR0175/ISO 15156. These check valves feature a durable MP35N poppet and seat. They have been designed for checked direction pressures up to 15,000 psid (1,035 bar).


The NACE Compliant High Pressure Check Valves are available in free flow forward and free flow reverse directions, with cracking pressures of 5±3 and 1±0.5 psid. Available sizes go from 0.125″ to 0.500″ in diameter.