Excellent Valves for Isolation & Control


CV6500 Square Port Knife Gate Valve

CV6500 Square Port Knife Gate Valve

Valve Type:                                                 Square port knife gate valve


Valve Nominal Size:                                  DN100 through DN400; 4 inch through 16 inch


Pressure Rating:                                         PN10, 16; ANSI Class 150


Body Style:                                                  Wafer knife gate


Temperature Range:                                 Metal seat from -30°C to 230 °C; PTFE seat from -30°C to 100 °C;

                                          EPDM seat from -20°C to 100 °C


Body Material:                                            Carbon steel, Stainless steel


Stem:                                                             Stainless steel


Gate Material:                                             Stainless steel with hard chrome plated


Seat Material:                                              Stainless steel with hard chrome plated or stellite overlay, PTFE, EPDM


Seat Leakage:                                               ANSI IV, V, VI or zero leakage


Actuator:                                                       Pneumatic Cylinder actuator

Description & Features

CV6500 square port knife gate valve is mainly used as a pneumatic on/off valve for process control in pulp making slurry or sewage treatment. It is particularly suitable to serve as a residue discharger on equipment such as stock cleaners, gravity separators and hydrapulper in the paper making industry.


Valve is full port in the open position with low flow resistance.


Two-piece body construction with no cavities eliminates product build up.


Tight shutoff, stable performance.


O-ring loaded removable seat is self-compensating with good abrasion resistance and long service life.


Metal seat, PTFE seat, or EPDM seat available.


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