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Waterwork industries where a double flanged valve is required. • Fire fighting systems. • Sea water applications. • For drinking water applications a certified EPDM compound and certified coatings available. • Approvals: KIWA, KTW, WRC, PED/CE, FDA.
Valve Type: Isolation
Sub-Type: Keystone Butterfly Valves
- The centric disc offers bidirectional service and allows with its symmetric shape high Kv (Cv) values.
- Dry shaft design.
- The inside body is protected by a bonded rubber liner extending over the flanges.
- A secondary sealing is provided by the interference fit between shaft and shafthole in seat at all positions.
- Dirtscraper prevents moisture penetrating into the shaft area.
- Bubble-tight shut off at full pressure rating.
- Rounded, polished disc edge provides concentric sealing.
- Excellent performance in media with sedimentation and contamination.
- Flat facing for GRP flanges as option.