KSB Germany Manual Wafer Butterfly Valve

Structural Features: 1. Integrated Through Shaft: Ensures valve strength, reliability, and precise positioning of the valve plate. 2. O-ring: Helps prevent shaft leakage. 3. Precision Tapered Pin: Enhances shock protection and strengthens the connection between the shaft and butterfly plate. Can be replaced on-site. 4. Precision Butterfly Plate Profile: Prevents "bubble-tight" closing difficulties, ensures maximum effective torque, and extends seat life. 5. Supportive Shaft Seal: A tight integration of elastic material and phenolic backing ring, effectively preventing shaft leakage due to distortion. 6. Suitable for both gaseous and liquid media. 7. Capable of bidirectional shut-off. 8. Optional maintenance pipeline terminal technical conditions and materials: 1. Face-to-face dimensions comply with EN 558-1, basic series 14. 2. Anti-corrosion valve body components with blue epoxy resin coating. 3. Operating temperature: -20°C to 120°C. 4. Applicable sizes: DN50 to DN1200. 5. Seat: EPDM, NBR, PTFE. 6. Disc: Ductile iron/stainless steel. KSB sells butterfly valves under the ARMI brand, manufactured in La Roche (France), Burgos (Spain), and Houston (USA). These butterfly valves can be used in building services, industrial applications, water engineering, and power generation. AMRI products include pneumatic, hydraulic, and electric valve actuators as well as control systems.