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Available 24/7/365
Same-Day Shipping on Stocked Items
Manufactured In-House
100% USA Materials
Flow Measurement Orifice Plates

Series 520
Paddle Type Plates

Simple to use and easy to troubleshoot
PRECISION
CNC
MACHINING
For superior accuracy and quality control
Series 520 | Paddle Type OP
To Order Call:
(800) 456-8721 Specify:
  • Line Size
  • Plate Thickness
  • Bore Size
  • Bevel / No Bevel
  • Material Type (Stainless Steel - 304, 316, Other)
  • Quantity Needed
  • Necessary Delivery Date
Technical Data Sheet
Series 520
Paddle Type Orifice Plate Specifications
DS-OP-520 Rev. Current
Product Features & Specifications
Meets or exceeds AGA, ISA, ANSI, ASME & API standards
Precision CNC machining for superior accuracy and quality control
Simple to use and easy to troubleshoot
Minimal maintenance required
Stocked materials: 304/316 Stainless Steel — available in any alloy upon request
Fast and accurate orifice bore calculation services available
Custom coatings available upon request
Compliant AGA
Compliant ISA
Compliant ANSI
Compliant ASME
Compliant API
Shipping & Availability
In-stock items ship within 24 hourssame day local delivery available in Texas.
Product Overview
Paddle-Type Orifice Plates
Series 520 — Raised Face Orifice Flanges & Holding Blocks

Produced on cutting-edge CNC machines by trained mechanical engineers and skilled CNC operators — our Series 520 Paddle-Type Orifice Plates adhere to the strictest manufacturing processes and achieve optimal accuracy standards for differential pressure flow measurement.

Design
Designed for use with Raised Face Orifice Flanges and Holding Blocks — meeting or exceeding industry standards for accurate, repeatable flow measurement.
Standards
Meets or exceeds:
AGA ISA ANSI ASME API AWWA
Materials
Stocked in 304 & 316 stainless steel — also manufactured in monel, hastelloy, copper, nickel, and more. Custom coatings available per your specifications.
Manufacturing
Produced by skilled CNC operators under strict quality controls — ensuring top quality, dimensional accuracy, and proper bore beveling on every plate.
Engineering Support
Our team of trained mechanical engineers can swiftly and accurately run your bore calculations for an additional fee — ensuring your plate is sized correctly for your application.
NEED A BORE CALCULATION?

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

Orifice-Plate-CAD-Simulation-1
USA-Series-520-Orifice-Plate-Illustration
Frequently Asked Questions

Why USA Industries?

40+ years of manufacturing excellence and innovation

Fast Turnaround

Fastest Turnaround

Same-day shipping on stock items. Custom orders in days, not weeks.

In-House Manufacturing

Manufactured In-House

U.S. produced steel, PMI verified, QC certified.

ISO Certified

ISO 9001:2015 Certified

Quality-driven manufacturing process ensures excellence.

Engineering-Innovation

Engineering Innovation

Precision-Engineered Industrial Solutions — Delivered Fast!

USA Materials

100% USA Materials

All raw materials sourced from American mills.