2024 43 CFR 3175.80 – Flange-tapped orifice plates (primary devices)

2023 43 CFR 3175.80 – Flange-tapped orifice plates (primary devices)

2022 43 CFR 3175.80 – Flange-tapped orifice plates (primary devices)

2020 43 CFR 3175.80 – Flange-tapped orifice plates (primary devices)

2019 43 CFR 3175.80 – Flange-tapped orifice plates (primary devices)

2016 43 CFR 3175.80 – Flange-tapped orifice plates (primary devices)