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

  • Construction ASME 16.34

  • Pressure: Class150, Class300 and Class600,Class2500

  • Flanges ASME B16.5

  • Face to face dimensions B16.10 and API6D

  • Top flange ISO5211

  • Floating and Trunnion ball according to app.

  • Construction ASME 16.34

  • Pressure: PN16, PN40, PN64, PN100, PN400

  • Flanges EN 1092-1

  • Top flange ISO5211

  • Face to face dimensions EN558-1and DIN3202

  • 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.