Ash in take valve or material handling valve is designed to feed ash into dilute-phase vacuum system. It acts as a transition from the hopper to the conveying line, a swing type valve to provide on-off ash flow control in vacuum conveying.  It’s design is stable for feed ash on a batch basis and installed below electrostatic precipitators (ESP), Dust collector and economizer hoppers.

Design Specification

Sizes: 150 NB up to 300 NB (6'' up to 12'') higher on request

Body: Alloy Cast Iron, Ni-hard, cast steel, SS304 , SS 310 & SS 316

Seat- Special Wear Resistance Alloy /Ceramic                                                                                 

Disc- Special Wear Resistance Alloy /Ceramic

Operation: Pneumatic cylinder  

 Benefits

• Easy installation
• Easy for Maintenance
• Replacement of the gate and seat
• Easy access for inspection

Features

          Full Bore Material Flow

•        Fast Closing & Opening

•        Low Maintenance

•        Long Operating Life Capable of handling fine

•        Grain materials and head abrasive products.

 Uses

The valve is mainly used as a hoist device in dry ash, system ash and slug discharge of thermal power plant.