Special Features:

Cres, type 303, one end used w/0.250 in. Orfice seat ring, other end used w/0.375 in. Or 0.500 in. Orfice seat ring, 0.500 in. Od of end, 20 degrees seat angle

Properties:

An item usually metallic, threaded or unthreaded, used for securing to or positioning into a mating part. It is designed to be used in a globe, relief, regulator valve and the like as a means of controlling the flow of liquids or gases in a given system. One end may have an integral disk or be designed to accommodate a metallic or nonmetallic disk. The other end is designed for a handwheel, lever, spring, diaphragm and the like for nonpowered operation or to accommodate a gear, solenoid, air motor and the like for powered operation. The handwheel and/or disk may be furnished with the item. Excludes stem, faucet; and stem, needle valve.