Series 560 & 590
RTJ Plates & Plate Holders
CNC
MACHINING
- Line Size
- Plate Thickness
- Flange Rating
- Material Type (Stainless Steel - 304, 316, Other)
- Quantity Needed
- Necessary Delivery Date
RTJ Type Orifice Plates incorporate an integral gasket (oval or octagonal ring) that mounts between ring type joint flanges. With no moving parts, they are suited for high-temperature and high-pressure applications — recommended for clean liquids, gases, and low-velocity steam flows.
Select Flange Rating to See Specifications
While orifices are typically bored based on your sizing calculation, we also offer sizing calculation services for a minimal fee. All orifice plates are stainless steel by default but can be ordered separately or combined with our restriction orifice unions.
NEED A BORE CALCULATION?
Let USA Industries' engineers calculate the correct bore size based on process data for the project.
Note: USA Industries orifice bore calculation service is provided on a professional fee basis.
Orifice Plates
Frequently Asked Questions
Ring Type Joint Orifice Plate Holders are available in Series 560 and Series 590 styles.
Series 560 plates are an integral design with the RTJ and plate machined as one piece. Series 590 Plates are manufactured with hold-down screws and use Universal Plates for the Orifice bore.
Yes, we can completely customize your orifice plates to your unique needs.
We stock our orifice plates in 304 & 316 stainless steel, but they are available in any material requested. We have produced orifice plates for clients in everything from monel to hastelloy to copper-nickel alloys and more!
Why USA Industries?
40+ years of manufacturing excellence and innovation
Fastest Turnaround
Same-day shipping on stock items. Custom orders in days, not weeks.
Manufactured In-House
U.S. produced steel, PMI verified, QC certified.
ISO 9001:2015 Certified
Quality-driven manufacturing process ensures excellence.
Engineering Innovation
Precision-Engineered Industrial Solutions — Delivered Fast!
100% USA Materials
All raw materials sourced from American mills.