Purpose-built for the harshest mining conditions
Our valves are specifically selected and configured for abrasive slurries, tailings, acid lines and high-wear processes. We deliver solutions that last in real South African operations, not generic catalogue items.
Diaphragm Valves
Handles high-solids tailings and slurry transport reliably.
Maintains seal even with solids present in the line.
Minimal moving parts. Diaphragm replacement is quick and easy.
Manual, pneumatic or electric actuation options.
Non-Return (Check) Valves
Handles high solids content and aggressive media.
Energy efficient — doesn’t choke your flow.
Minimises backflow and protects against surge damage.
Horizontal or vertical mounting options.
Size Range & Technical Specifications
Standard configurations. Custom materials, coatings and higher pressure ratings available.
| Valve Type | DN Size | Pressure / Flange | Body Materials | Key Options |
|---|---|---|---|---|
| Diaphragm Valve | DN 50 – 300 | PN 10 / ANSI 150 | Cast Iron, SG Iron, Stainless Steel | Multiple diaphragms • Manual / Pneumatic / Electric actuation |
| Non-Return Valve | DN 50 – 300 | PN 10 / PN 16 | Cast Iron, SG Iron, Stainless, Alloy | Swing / Tilting Disc / Ball • Metal or resilient seat • Horizontal or vertical |
We also supply control valves and airslide valves. Share your process conditions for the best recommendation.
Complete Your System
These complementary capabilities from Stotko pair perfectly with our valve solutions.
Airslides, silos, bulk tanker loading systems and filtration solutions for efficient material handling.
Rapid prototypes, custom jigs, fixtures, replacement components and marketing models on our in-house Tiertime X5.
Precision gaskets, templates, panels, enclosures and custom non-metallic parts cut on our Trotec Rayjet R500.