products 
Unrivaled Nuclear Expertise 

As the largest control valve and regulator manufacturer in the world, Emerson is the control valve supplier of choice, recognized for delivering highly reliable, cost effective valves that are designed for the application, as well as providing support with a range of expert services.

Emerson’s manufacturing plant in Marshalltown, Iowa, United States was the first in the automatic control valve industry to receive the N-Stamp certification in 1971. With over 4,500 employees, we’re the world’s largest control valve and regulator manufacturer!
 
  - Over 250 dedicated nuclear employees located across the globe,
 
  - Emerson nuclear application experts are active participants in development of international industry standards. They offer unrivaled expertise in helping meet safety, licensing and regulatory requirements.
 
- Fisher control valves are approved and certified to all the major regional and international nuclear standards, including:
 
   • N-Stamp certification
   • ASME Section III
   • RCC-M
   • JSME
   • CSA
   • EN