Rotary Valves Built for 24/7 Power Plant Duty — Coal, Fly Ash & Biomass
Engineered for high-temperature ash discharge, pressurized pneumatic circuits and continuous fuel feeding — heat-resistant builds, hardened rotor tips and sealing integrity that protect generation efficiency and emissions compliance.
Get a Free Duty Match & Quote
Share your plant conditions — our engineers match the right series, sealing setup and duty configuration for your circuit.
In power, availability is everything
Heat, abrasive ash and pressurized circuits running 24/7 — any handling instability hits generation efficiency, emissions and plant safety directly.
Abrasive fly ash
Fine, dust-intensive circuits that erode standard valves rapidly.
High-temperature duty
Continuous thermal ash discharge demanding heat-resistant builds.
Pressure-sensitive flow
Pneumatic conveying networks that can't tolerate leakage.
24/7 operation
Large-volume continuous load with zero tolerance for downtime.
Mixed duty zones
Ambient to elevated thermal conditions across the plant.
Engineered for every power-plant circuit
Coal Feeding Systems
Controlled, consistent coal feeding that maintains pressure differential, prevents air infiltration and ensures stable volumetric discharge for combustion control.
Fly Ash & Bottom Ash Discharge
Abrasive and High-Temperature Series with reinforced wear protection, heat-resistant construction and sealing integrity for continuous ash handling.
FGD Limestone Handling
Stable feed rates with minimal pressure leakage for controlled limestone dosing in Flue Gas Desulfurization systems under pressurized abrasive conditions.
Biomass Pellet Feeding
Controlled volumetric discharge with stable feeding into combustion chambers and reduced pressure imbalance under variable material conditions.
High-Temperature · Abrasive · Heavy Duty
We match the exact series, sealing setup and bearing configuration to your duty — not an off-the-shelf guess.
- ✓Heat-resistant construction for ash discharge
- ✓Hardened rotor tips & replaceable wear liners
- ✓High-temperature sealing & outboard bearings
- ✓Continuous-duty drive integration for 24/7 plants
Engineering for boiler stability & emissions compliance
Reinforced housings
Heavy-duty builds engineered for high-temperature ash duty.
Hardened rotor tips
Replaceable wear liners for abrasive fly ash circuits.
High-temp sealing
Outboard bearing configurations for thermal isolation.
Leakage control
Fine-powder containment for dust-compliance mandates.
Continuous-duty drives
Integrated for round-the-clock power plant operation.
“Material-handling stability directly drives boiler efficiency, emissions compliance, dust containment and energy recovery. Air leakage in ash or feeding systems raises fan load, cuts combustion efficiency and risks environmental control.”
40 yrProven power-plant
engineering24/7Continuous-duty
buildsLowerLifecycle cost
per asset
— OSWAR ROTOCORP · ENGINEERING SINCE 1985
Tell us your operating conditions — we'll match the right valve
Share your plant capacity, temperature and duty details. Our engineers respond within 24 hours with the right series, sealing setup and bearing configuration for your circuit. No obligation.
- ✓Free engineering duty-match for your application
- ✓Quote tailored to your temperature, pressure & throughput
- ✓Direct line to OSWAR's engineering team — no call centre
- ✓40 years of bulk-material-handling experience behind every recommendation
Request Your Free Quote
Takes under a minute. Engineer responds within 24 hrs.
