ITEM NAME:Brass 1/4'' Threaded BSPP Female Full Port One Way Air Check Gas Oil Water A3Q3 Brass 1/4'' Threaded BSPP Female Full Port One Way Air Check Gas Oil Water A3Q3 Made of Brass material, have corrosion resistance and good flexibility. connected securely and high voltage capability high, tightness and repetition is good, easy installation and maintenance, job security and reliability. Applicable medium: oil, water, gas and other non-corrosive or corrosive media. Material: Brass Connection: Threaded Specification:1/4" used for boiler and pressure vessel, petroleum, chemical, shipbuilding, pharmaceutical, metallurgy, machinery, food and other industries. Package included 1X One Way Air Check Valve Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3cm.