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Our Story
Too often have we seen corporate acquisitions of independent valve companies cause a decrease in product quality and eliminate the relationship between customer and manufacturer.
We believe that by mastering the design, build and supply of the Severe Service Knife Gate Valve while listening to our customer’s needs, we can provide a superior product perfectly crafted for the task at hand.

Our Story
Too often have we seen corporate acquisitions of independent valve companies cause a decrease in product quality and eliminate the relationship between customer and manufacturer.
We believe that by mastering the design, build and supply of the Severe Service Knife Gate Valve while listening to our customer’s needs, we can provide a superior product perfectly crafted for the task at hand.

The Severe Service Knife Gate Valve
Since the Knife Gate Valve (KGV) made it to the US from its origin in Sweden, it has gone through a variety of improvements in the quest for zero leakage. We’re proud to offer the most enhanced version of the valve to date.
The Severe Service Knife Gate Valve
Since the SSKGV made it to the USA from its origin in Sweden, it has gone through a variety of improvements in the quest for zero leakage. We’re proud to offer the most enhanced version of the valve to date.
The Evolution of the Severe Service Knife Gate Valve
American Made,
Internationally Sold
Our valves are designed and manufactured entirely on American soil. From engineering and milling, to welding, assembly and testing, each critical step takes place in the US.
American Made, Internationally Sold
Our valves are designed and manufactured entirely on American soil. From engineering and milling, to welding, assembly and testing, each critical step takes place in the United States.

DSS Valves International
DSS Valves International is the international sales division of the DSS Valves brand. Founded by experienced valve professionals with extensive application expertise, our primary goal is to supply premier Knife Gate Valve solutions and other Severe Service applications to customers operating steel, mining, pulp & paper, water/wastewater and oil and gas plants around the world.
With a background in distribution, we enable DSS Valves to focus on the manufacturing process and utilize our established distribution network and go-to-market experience to sell valves based on your applications’ needs.

DSS Valves International
DSS Valves International is the international sales division of the DSS Valves brand. Founded by experienced valve professionals with extensive application expertise, our primary goal is to supply premier Knife Gate Valve solutions and other Severe Service applications to customers operating steel, mining, pulp & paper, water/wastewater and oil and gas plants around the world.
With a background in distribution, we enable DSS Valves to focus on the manufacturing process and utilize our established distribution network and go-to-market experience to sell valves based on your applications’ needs.
AIS & BAA Compliant
DSS is dedicated to producing American Made Severe Service Valves (SSVs). Components and parts are sourced from US-based vendors and manufacturing takes place at our headquarters in Niles, MI.
We are proud to be compliant with both the American Iron and Steel (AIS) Requirement and the Buy American Act (BAA).



MSS Member
MSS, the Manufacturers Standardization Society of the Valve and Fittings Industry is a non-profit standards developing organization that is devoted to the development of the industry.

SIL 3 Certified
SIL is an international safety standard that provides manufacturers with a common framework to use when designing products and systems, reducing field failure rates and design flaws.

ISO 9001:2015
Certified Quality Management System. MSECB Certification is an internationally recognized standard, exemplifying the commitment towards continual improvement and sustainable business continuity.

ABSA CRN Certified
The CRN (Canadian Registration Number) system is the Canadian method of reviewing and registering the design of pressure vessels, piping systems and the fittings used to make them.

CE Certified
CE Certification is a declaration with the CE Mark, by manufacturers, that a product meets all applicable legal provisions set by the European Union under the CE Marking requirements.