Universal Orifice Plates are the most economical style of plate available because of low initial cost, less maintenance, less storage required, plus the necessity of stocking plates for various pressure ratings is eliminated. Universal Orifice Plates are interchangeable with many types of plate holders. These types of sealing units (dual seals, TEFLON Seals, Metal Seals) are available for use with the universal orifice plats. Removable seals are standard from 2” to 10” sizes, but are also available in larger sizes.