Key features/benefits
Operating Media
• Steam,
• Superheated water,
• LPG, pressured air,
• Boiled oil,
• Miscellaneous types of gauges (e.g., oxygen, hydrogen, nitrogen, etc.),
• Heat transfer oils,
• Chemicals.
Benefits
• Asbestos free,
• Reliable, leak-tight shut off-in line and the atmosphere
• Unique robust construction principle,
• No wear on sealing surfaces,
• Insensitive to impurity,
• Long service life and optimised life cycle costs,
• Excellent regulation of flow,
• Maintenance free,
• Valve remains in line if replacement of seat rings and internal parts are necessary.
Fields of Operation
• District heating,
• Energy producing,
• Refinery,
• Steel production,
• Petrochemical,
• Chemistry,
• Production of tobacco,
• Food and beverage,
• Pulp and paper.
The Sealing System
A stainless steel piston enclosed by two resilient valve ring forms the sealing system. The sealing area is the surface of the piston. The upper valve ring ensures tightness against the atmosphere, while the lower valve ring provides sealing across to ports.