If the 617 series made of gunmetal and brass cannot be used due to an aggressive medium or an aggressive environment, the 417 series made of highly corrosion resistant stainless steel provides a solution. The sealed and gas-tight design covers an even wider application range.

The valves can be conveniently adjusted or aligned using the external adjustment, which means that perfect alignment to the operating conditions of the system is possible. They can, however, also be set and sealed at the factory.

connection types

• Internal pipe thread
• Male thread
• Clamp connections

usage

• chemical plants
• biogas plants
• Desalination plants
• Pressure systems
• Machinery and apparatus engineering
• Shipbuilding and equipment
• Secondary sectors of the food, beverage, pharmaceutical and cosmetics industries

For the protection of pumps against overload in closed circuits for neutral / non-neutral, non-sticky liquids