# Standard Orifice Plates

> A proven differential-pressure primary element for liquids, gases and steam, manufactured for traceable dimensions and repeatable installation.

## Specifications

- **Beta ratio**: 0.10–0.75 (per ISO 5167-2:2022; practical range 0.20–0.75)
- **Accuracy**: ±0.5%–0.8% of rate (β and Reynolds dependent)
- **Turndown ratio**: 10:1 typical (single transmitter); up to 50:1 with dual-range
- **Pipe size range**: DN50–DN1000
- **Standard**: N/A

## Applications

- Oil and gas metering
- Steam and feedwater
- Chemical process lines
- Custody-transfer projects

## Features

- Standardized calculation basis
- Multiple pressure-tap arrangements (corner, flange, D-D/2)
- Replaceable primary element
- Project-specific materials and ratings

## Contact

- Website: https://www.shizhongflow.com
- Email: info@jnszyb.com
- Phone: +86-188-0531-6689
- Address: 7036 Jingshi West Road, Jinan, Shandong, China 250022