Non-positional mounting, no adapter Valve required, a sealing force of over 180 inch lbs., torque tested with 450 lbs. Pressure tested at 250°f, patented Valve gasket provides 50 times more sealing area than competitive 'O' ring types, SUPCO BPV-31 bullet 3-in-1 line Tap Piercing Valve, 500 psi pressure, 1/4", 5/16", and 3/8 inch OD size, Pack of 12. Made in United States. Manufactured by sealed unit parts Co., Inc.