Orifice Plates, Restriction Orifice Unions & RTJ Plate Holders

We ship our orifice plates and restriction orifice unions worldwide!

We manufacture our Series 500 Universal Orifice Plates, Series 520 Paddle Type Plates, Series 560 and 590 Ring Type Joint (RTJ) Holder Plates and Restriction Orifice Unions to meet or exceed standards set by AGA, ISA, ANSI, ASME. API and AWWA. We stock plates in 304 & 316 stainless steels and in 1/8" and 1/4" thicknesses; however, we can custom manufacture your plates in any material and thickness you require. Also, if necessary, our on staff team of professional mechanical engineers can provide bore sizing calculation services to you for an additional fee.

Links to products:

Series 500 Universal Plates

Series 520 Paddle Type Plates

Series 560 & 590 RTJ Plate Holders

Restriction Orifice Unions


Let USA Industries' engineers calculate the correct bore size based on process data for the project.

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