KVN DN 65-200 FLANGE DESIGN
Pressure Balanced Piston Valve
Key Features
- Piston valve with bore
- Pressure-balanced design
- Sealing via three elastic KX-GT valve rings
- Excellent control characteristics
- Fire Safe
- Special regulating design available (KVRLN)
- Temperature-10 °C to +400 °C (see P-T diagram)
Material Used
- Grey cast iron EN-GJL-250 / 5.1301 (Material code III)*
- Nodular cast iron JS 1025 / 5.3103 (Material code VI)*
- Cast steel 1.0619 (Material code VIII)
Dimensions
EN 558-1, GR. 1
Connections
Flange in accordance with EN 1092-2 (Mat. code III, VI)
Flange in accordance with EN 1092-1 (Mat. code VIII)
Acceptance Testing
- Seat leak tightness: EN 12266-1 P12, leakage rate A
- Tightness to atmosphere: EN 12266-1 P11
- Strength: EN 12266-1 P10
