Home Portfolio Edmeston SX® Acid Piping and Fittings

Edmeston SX® Acid Piping and Fittings

Metso Outotec Edmeston provides you with the absolute highest quality sulphuric acid piping. Metso Outotec Edmeston SX® Piping Systems eliminate all the disadvantages of traditional materials, such as cast iron, and offer numerous benefits also compared to other alloys resulting in effective and compact acid coolers with a long life expectancy.
  • No leaks and maximum safety with a minimized number of flanged connections
  • Minimum maintenance
  • Low installation cost, short installation time
  • Highly flexible design and installation options
  • Smaller diameter piping can be used


Metso Outotec Edmeston SX stainless steel was introduced to the market by Edmeston in 1984. The introduction of the Metso Outotec Edmeston SX equipment led to a paradigm change in the industry with equipment of reduced corrosion, prolonged lifetime, reduced maintenance and increased plant safety. The Metso Outotec Edmeston SX maintains it’s leading position as the number one, standard for comparison, top-performing alloy, for sulphuric acid service.

Features of Metso Outotec Edmeston SX piping systems:

  • Welded system with a minimum number of flanges
  • Extremely low corrosion rate
  • Good weldability
  • No sensitivity to erosion or increased acid velocities
  • High ductility
  • Lightweight
  • Available from stock
  • Highest quality assured through extensive quality control and NDT of all items

The piping systems have set a standard for sulphuric acid piping over the past 35 years with thousands of meters of SX piping in service around the world. The availability, life cycle cost and proven performance of Metso Outotec Edmeston SX piping is unparalleled.

A complete Piping Class adapted for sulphuric acid plant service conditions has been developed by Metso Outotec Edmeston. The piping class standard is based on requirements in ISO or ASME standards and covers a size rage from DN 25 (1”) to DN 600 (24”).

All necessary parts for a complete sulphuric acid piping system are kept in stock for immediate delivery, or for prefabrication. Our knowledgeable specialists provide application support based on vast expertise developed through various deliveries and years of experience.

Larger dimensions and tailor-made parts are manufactured according to customers need such as:

  • Vortex Breakers
  • Inserts, thimbles
  • Dip Pipes
  • Orifice Plates
  • Thermo Wells
  • Strainers


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