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Installation and Maintenance Best Practices for Loose Flange Connections

Installation and Maintenance Best Practices for Loose Flange Connections

Apr 09,2024

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Capping Floating Ball Valve

Capping Floating Ball Valve

A capping valve is installed for the digester for pulp application; The lower body flange is fitted to the digester. Due to the floating ball design, the ball will be pushed against the seat with the rising pressure and temperature of the digester with more reliable tightness. Exclusive plate spring design provides pre-tightening to ensure effective tightness even under low differential pressure. A floating ball with a shaft, guiding device and locating bracket design prevent the ball from lateral movement.

The metal-to-metal seat with guiding device design enhances reliability and durability. Full ball design with two seating face available for service in 180° turn, a saving of ball spare. Full bore design ensures quick chip filling and smooth flow path without residue accumulation, therefore much higher chip filling efficiency.

Pressure sensor is installed on body, connectable to the locking system to prevent malfunction during overpressure of cooking process. A mechanical locking device is designed on the cylinder of the pneumatic actuator as second protection against malfunction.


Types of Capping Floating Ball Valve

Body material:

Cast iron/Cast steel/Stainless steel/Other special materials

Size range:

NPS 16''-28''

Pressure rating:


Operating temperature:


End connection:


Applicable medium:

Feeding control of wood chips

Mode of operation:

Manual & Automatic

Applicable industry:

Pulp & Paper

Design & Manufacture:


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