Abrasive Slurry Ball Valve Guide
Technical solutions for harsh slurry applications
1Material Challenges
Standard PTFE seats wear 10-20x faster than tungsten carbide in slurry service
2Design Features
Durabla valves with WC coating achieve 8,000+ cycles in mining applications
3Operation Factors
Rotork GP actuators maintain seating force despite 30-50% torque increase
4Case Studies
Mining: Xomox AVP valves handle 60% solids at 70°C with ceramic seats
Wastewater: GF rubber-lined valves resist sewage abrasion with SS316 hardware
5Limitations
Particles >2mm require pinch/knife gate valves to prevent jamming
Throttling accelerates wear - use <0.8s stroke for on/off service
Implementation Guidance
Consult Flowserve/Dezurik for severe services with high solids concentration
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