sliding gate valve / pneumatically-operated / shut-off / regulating
8021 GS3

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sliding gate valve / pneumatically-operated / shut-off / regulating sliding gate valve / pneumatically-operated / shut-off / regulating - 8021 GS3


  • Type:

    sliding gate

  • Operation:


  • Function:

    shut-off, regulating

  • Media:

    for hot water, for cooling water, for gas, for air, for steam, for oxygen, for natural gas, for CO2, propane

  • Body:

    wafer, NAMUR, stainless steel, carbon steel

  • Applications:

    for industrial applications, for the food industry, for wafers

  • Other characteristics:

    with integrated positioner, for aggressive media

  • Temperature:

    Min.: -60 °C (-76 °F)

    Max.: 350 °C (662 °F)

  • Pressure:

    Min.: 10 bar (145 psi)

    Max.: 100 bar (1,450.4 psi)

  • DN:

    Min.: 15 mm (0.591 in)

    Max.: 250 mm (9.843 in)


This control valve is used in control circuits for neutral and aggressive media in the chemicals, process engineering and plant construction industries. Positioners (pneumatic or electro-pneumatic) are used for precise control. The valve is equipped with an integrated positioner (top-mounted) as standard.

DN 15 - DN 250

PN 10/40, PN100,
ANSI #150, #300, #600

Stainless steel 1.4581/1.4571 or 1.4408
Carbon steel 1.0570 or 1.0619

Media temperature up to 350 °C
Special versions available on request.

Intermediate flange version

Digital positioner type 8049
Electro-pneumatic positioner type 8047
Pneumatic positioner
Positioner with integrated process controller
Positioner with mounting acc. to NAMUR standard (lateral)

Metal bellows
Limit switch
Position feedback
. . .