Dual Rotary Disc Sleeve Valve (DRDSV)

Dual’s Rotary Disc Sleeve Valve is a unique rotating gate valve designed specifically for heavy abrasive and corrosive slurries. The Patented design allows the valve to cycle in heavy slurries without jamming and has a ring seat sleeve that can be replaced when worn. The valve can be used to control and throttle the flow. Zero discharge to atmosphere

FEATURES

• No pressure drop.
• No blockage or leakage,
• Disc can be replaced in situ.
• Low torque due to no gate guides,
• Long wear life (due to rotatinggateklisc).
• Self cleaning gate action,
• Seals in both directions.
• Wedge for position seal,
• Cutaway to clean seating area.
• Fabricated valves can be repaired in line.
• Sleeve out of flow when in open position,
• Rising and non-rising spindle.
• Back seat to re-pack gland packing under pressure.
• Replaceable ring sleeve seat.
• Light weight.
• Spindle dust cover.
• Flush port.
• Zero Discharge to atmosphere.