Solution Champion

Level Indication and Control

Clark-Reliance Corporation consists of three (3) operating groups:  

  • The Instrument and Control Group
  • The Filtration Equipment Group 
  • The Filter Element Group

The Instrument and Control Group continues to be the global leader in the level indication and control, and sight flow indications. Clark-Reliance is dedicated to supplying the largest and broadest product line in the instrumentation industry as the single-source for all types of level measurement and control. From engineered boiler trim instrumentation to the varying demands of the process industry.

Clark-Reliance’s Instrumentation and Controls Group has the broadest selection of products and technologies to provide you the utmost in plant reliability and process safety. 

List of the standards that the various sight flow indicators, level and control equipment conform to:

  1. Underwriters Laboratories (UL)
  2. ATEX
  3. ASME CSD-1
  4. ASME B31.1 and B31.3
  5. ASME section IX Certified Welders
  6. Canadian Standards Association (CSA)
  7. Factory Mutual (FM)
  8. ISO 9001:2000
  9. NACE MR-01-75
  10. NEMA
  11. 3A per standard 65-00

Typical Markets:

  • Pharmaceuticals
  • Food and dairy
  • Refinery
  • Petrochemical 
  • Propane/butane storage tanks
  • Liquid ethylene tanks
  • Feed water heater
  • Offshore production platforms
  • Packaged boilers
  • Natural gas boilers
  • Heat Recovery Steam Generators (HRSG).