For more than 500 years DÜKER has been manufacturing Glass Lined Steel components in their factories within Germany.  High quality EMAIL(the German word for Glass Lining) is their trademark.  Duker serves the Chemical and Pharmaceutical industries with their highly engineered Glass Lined Bottom Outlet Valves, Flanged Pipe and Fittings.

• Inovative Designs and Highly Engineered Products
• ISO registered, State of the Art Manufacturing Facilities
• Fast, Efficient World Wide Shipping Service
• Cost Effective against US Domestic Manufacturers

Sentinel Process Systems, Inc. represents Duker's complete line of products.  We have supplied many of our Pharmaceutical and Specialty Chemical Manufacturers this impressive range of products.

• Columns and Large Diameter Pipe
• Bottom Outlet Valves
  • Side Mounted Stainless Actuators - Save space under your reactor!
  • Cleaning and Sampling Ports
  • Bellows Sealed - NO LEAKS!!!
• Bodies with special coatings, PTFE and other plastic linings, high nickel based alloys, stainless steels, titanium, tantalum!