METAL SEATED BALL VALVES
Resistance up to 538°C
Pressure design up to Class 2500 (440 bar)
Dimension limits up to DN150
Metal seated design
Rigid body construction
Stainless steel and carbon steel material
Flange, threaded or welding connection options
ISO 5211 Top flange connection
Possible to manufacture special materials
ANSI STANDARD DESIGN
DIN STANDARD DESIGN
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Construction ASME 16.34
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Pressure: Class150, Class300 and Class600,Class2500
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Flanges ASME B16.5
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Face to face dimensions B16.10 and API6D
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Top flange ISO5211
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Floating and Trunnion ball according to app.
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Construction ASME 16.34
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Pressure: PN16, PN40, PN64, PN100, PN400
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Flanges EN 1092-1
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Top flange ISO5211
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Face to face dimensions EN558-1and DIN3202
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Floating and Trunnion ball according to app.
COATINGS METHODS
The following types of surface coating methods are available in the Dersta Metal Seated series: Stellite (have varius process according to application) , Chrome Carbide, Tungsten Carbide with Cobalt, Tungsten Carbide with Nickel,Chrome Oxide, Titanium Dioxide.
Other special coatings available according to your process and application. Detail information reached below table.