Schubert&Salzer 8021

Sliding gate control valve

Pneumatic control valve for the control of neutral and aggressive fluids with integrated positioner.

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.

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Valve Operation Principle

Sliding gate control valve


DN 15-250


PN 10-40ANSI 150-300


Stainless steel, Carbon steel


Media temperature:-60 °C up to 350 °CSpecial versions available on request.


Wafer type design

Available by Request

High temperature: up to 530 °C
Low temperature: -60 °C
High pressure: up to PN 160
Integrated Process Controller (IPC)
ATEX version


Schubert & Salzer

Country of Origin


Industry Sectors

Biotechnology, Chemical, Boiler and Power Plants, CHP, Breweries, Building materials, Dairies, Distilleries, Food and Beverage, Hospitals, Mining, Metallurgy, Oil&Gas, Refineries, Pharma and cosmetics, Pulp&Paper, Textile, Laundries, Timber, Pelletizing, Tire, rubber and plastic, Water and wastewater


Air, Gas, LPG, Vapours, Ammonia, nitrogen, Bitumen, Petroleum products, Condensate, Superheated water, Ethanol, Bioethanol, Neutral and Agressive Liquids, Sand and Bulk materials, Sawdust, Peat, Cellulose, Biomass, etc, Steam, Superheated steam, Thermal Oil, Water and Wastewater