
Pressure Classes: ANSI Class 150, 300. PN10, PN16, PN25, PN40. Special high-pressure designs available. Unidirectional or bidirectional flow configurations

High Performance • Durable • Leak Proof
Unidirectional Knife Gate Valve engineered for dependable shutoff and robust construction supporting controlled flow
A unidirectional knife gate valve is designed to provide shut-off against pressure from one primary direction, making correct installation orientation important. Unidirectional Knife Gate Valve Suppliers in South Africa provides these valves for pipelines carrying slurry, wastewater, sludge and solids-containing media. African Valve supplies unidirectional knife gate valves for mining, water treatment and industrial isolation applications. Technical Specifications Parameter Specification Valve Type Unidirectional Knife Gate Valve Sealing Direction One-Way Nominal Size DN50–DN1200 / 2"–48" Pressure Rating PN10 / PN16 / PN25 Gate Design Knife-Edge Gate End Connection Wafer / Lug / Flanged Seat Type Resilient / Metal Operation Handwheel / Gearbox / Pneumatic / Electric Testing EN 12266-1 / API 598 Materials & Components Body: Carbon Steel / Ductile Iron / SS316 Gate: SS304 / SS316 Seat: EPDM / NBR / PTFE / FKM / Metal Stem: SS304 / SS316 / SS410 Packing: PTFE / Graphite Gland: Carbon Steel / Stainless Steel Fasteners: Carbon Steel / Stainless Steel