PISTON VALVE
Operating Media
• Steam and superheated water
• Miscellaneous types of gases (e.g. Oxygen, Hydrogen, Nitrogen, etc. )
• Heat transfer oils
• Chemicals
Benefits
• Asbestos free
• Reliable, leak-tight shut off -in line and to the atmosphere
• Unique robust construction principle
• 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
• Designed for automation using electro-mechanic or pneumatic actuators
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.
Diameter DN 15-200 (1/2"-8")
Pressure PN 16 - PN 25 - PN 40
Tempature 400 °C max
Material GJL250 Cast Iron
0.7040 Ductile Iron
1.0619 Cast Steel
1.4408 Stainless Steel
Connection Type Flanged.....DIN EN 558/1.seri Screwed....DIN EN 3202-4/M9 Socket........DIN EN 3202-4/M9
External Dimension Flanged DIN EN 558/1.seri
Screwed DIN EN 3202-4/M9 Socket DIN EN 3202-4/M9
Color Cast Iron - Grey
Ductile Iron - Green
Cast Steel - Blue
Stainless Steel - Metalic