Knife Gate Valve
Knife Gate Valve Manufacturer
The Knife Gate Valve manufactured by MVS is a highly efficient flow control solution, engineered specifically for handling thick fluids, slurries, and solid-laden media across various industrial processes. Designed with precision, our stainless steel knife gate valves are available in both lugged and flanged end connections, ensuring flexibility in installation and secure, leak-proof performance. Covering a broad size range from 50 mm to 2500 mm and built to handle Class 150 pressure ratings, these valves offer dependable operation even under the most demanding conditions.
MVS offers Knife Gate Valves in both unidirectional and bidirectional configurations, with seat options that include metal and resilient materials for optimal sealing. With a complete material selection, we manufacture carbon steel unidirectional knife gate valve semi lug type and carbon steel unidirectional knife gate valve full lug type for general applications, along with stainless steel unidirectional knife gate valve semi lug type and stainless steel unidirectional knife gate valve full lug type for environments requiring corrosion resistance. Higher-grade materials like SS 304 CF8 unidirectional knife gate valve semi lug type, SS 304 CF8 unidirectional knife gate valve full lug type, SS 316 CF8M unidirectional knife gate valve semi lug type, and SS 316 CF8M unidirectional knife gate valve full lug type offer additional protection in chemically aggressive and high-pressure environments. For even more demanding conditions, our lineup includes duplex steel unidirectional knife gate valve semi lug type and duplex steel unidirectional knife gate valve full lug type, as well as super duplex steel unidirectional knife gate valve semi lug type and super duplex steel unidirectional knife gate valve full lug type, delivering unmatched strength and durability.
To serve a variety of utility and industrial sectors, MVS also manufactures cast ductile iron unidirectional knife gate valve semi lug type and cast ductile iron unidirectional knife gate valve full lug type, ideal for medium-pressure systems where mechanical integrity and cost-effectiveness must coexist.
At MVS, each Knife Gate Valve we deliver is more than just a component; it is a high-performance solution crafted with quality materials, engineered for rugged environments, and tested to meet exacting industrial standards. Whether for manual or automated operations, our valves ensure dependable shut-off and optimum flow control in every use.
Specification
| Specification | Details |
|---|---|
| Valve Design | Knife Gate – Uni Directional |
| Available Sizes | DN 50 to DN 600 (Above on Request) |
| Pressure Range | Class 150# |
| End Connections | Wafer, Lugged, Flanged types |
| Face-to-Face | Manufacturer’s standard / MSS-SP-81 for lugged |
| Sealing System | TwinPack (standard), WhitePack (optional) |
| Optional Features | Chain Wheel Operated, Hand Lever Operated |
Material of Construction
| Valve Body | EN 1.4408 Stainless Steel, EN 5.3105 Ductile Iron | EN 1.4470 Duplex, Titanium B265, Hastelloy C276, 254 SMO |
| Gate/Blade | EN 1.4404 / 1.4301 SS with beveled edge | Duplex EN 1.4462, Titanium, Polished/Coated Chrome |
| Seat Insert | PTFE, NBR, EPDM, Polyurethane | FDA PTFE, Stainless Metal Seat, EC 1935/2004 Compliant |
| Packing System | TwinPack Graphite/PTFE blend | WhitePack with PTFE Scraper, Pure Graphite |
Application Industries

Crude Oil & Natural Gas Industry

Chemical & Petrochemical Industry

Water & Wastewater Treatment

Nuclear & Thermal Power Generation

Food & Beverage Industry

Pharmaceutical & Biotechnology

Pulp & Paper Industry

Mining & Mineral Processing

Marine & Shipbuilding

HVAC & Building Services

Automotive & Paint Chemical Manufacturing

Environmental & Bio Gas Renewable Energy

Steel & Metal Processing

Fertilizer Plants, Polymer Production

Cosmetics & Personal Care

Cement & Construction

Chlor-Alkali Industry

Mineral Acids Industry
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