
DSS Valves
Based in Niles, MI, DSS Valves is a team of engineering and manufacturing professionals with decades of experience in creating premier Severe Service Knife Gate Valves (SSKGVs) for Oil & Gas, Mining, Steel, Pulp & Paper, Power, and Water/Wastewater industries.
They specialize in producing valves that thrive in the harshest environments and their products are known for handling differential pressure scenarios, corrosive materials, extreme temperatures and detrimental solids.
All products created by DSS Valves have been specifically designed for severe service, and meet or exceed MSS SP-135. DSS Valves current product offering includes Severe Service and General Service Knife Gate Valves, Severe Service Check Valves, and Pinch Valves.

Pinch Valves

General Service Knife Gate Valves

Severe Service Check Valves

Severe Service Knife Gate Valves

Control Valves

Scavenger Valves
DSS Valves
Product Focus
DSS Valves Actuation Options
DSS Valves is happy to tailor your actuation to fit your application. From low profile arrangements to stem extensions to electro-hydraulic they will find a suitable option for your severe service application.





DSS VALVES
Key features & Benefits
The DSS Severe Service Knife Gate Valve (SSKGV) is designed to perform without fail in the harshest of conditions. With our customers in mind, we’ve carefully crafted this valve to overcome common problems like pipe turbulence, erosion, leakage to atmosphere, pipe stress, and topworks structure failures without compromising our promise of true isolation.
- Non-Rising Stem
- Fully Welded Steel Top Structure
- Exotic Materials Available Upon Request
- Zero-Leakage Isolation
- Dual Transverse Seals
- Compliant with MSS SP-135
- Full Round Port