Orifice plates are still the most widely used type of flowmeter today.
Significant cost benefits over other types of flowmeter especially in larger line sizes.
Proved to be rugged, effective and reliable over many years.
Low installation cost.
Turndown of not more than 4:1.
A very competitive solution.
M410 Orifice Plate Flowmeter and Carrier Assembly
M410 Orifice Plate Assemblies
Your closest Spirax Sarco is