We manufacture our flow measurement Universal Orifice Plates, Paddle Plates, Ring Type Joint (RTJ) Plates and Restriction Orifice Unions to meet or exceed standards set by A.G.A., I.S.A., A.N.S.I., A.S.M.E. and A.P.I. recommendations. Stocked plates include 304 & 316 stainless steel in 1/8" and 1/4" thicknesses. Other material and/or thicknesses are available upon request. We typically bore the plates to customer supplied sizing calculations; however, we can provide sizing calculation services for an additional fee.


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Orifice Plates, RTJ Plates & Restriction Orifice Unions

Series 500 Universal
Orifice Plates & Seals

Designed to be used with all standard orifice fitting assemblies or RTJ plate holders.

Series 520 Paddle Type
Orifice Plates

For use with Raised Face Orifice Flanges and Holding Blocks

Ring Type Joint (RTJ) Plates

Available in series 560 (one-piece) or 590 (two-piece)

Restriction Orifice Unions

Consists of one-piece SS Orifice Plates shaped to fit the contour of the union seat (ball-to-cone), eliminating the need for gaskets.

Plates can be configured as recessed, pressed, or pressed with tab to identify size without breaking the union.

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