KELLEY® Universal Orifice Plates

Universal type orifice plates are designed to be used in orifice fittings. Kelley^® Universal type orifice plates are available in ½” to 30” line sizes measuring 1/8” to ½” thick. All Kelley^® orifice plates are manufactured using NACE certified material. Standard materials available are 304SS and 316SS, other materials are also available with a slightly longer delivery time.

Universal type orifice plates are to be used with seal rings in line sizes smaller than 10”. Kelley Instrument Machine, Inc. does have Kelley^® seal rings in stock in Nitrile (NBR), Hydrogenated Nitrile (HNBR) and PTFE.

Kelley^® Orifice Plates will fit all manufacturers’ meters fabricated to AGA Report #3, A.P.I 14.3, G.P.A. and A.S.M.E. specifications.