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This butterfly valve has a wafer type connection and is mounted between two flanges. The body is galvanized for extra protection against corrosion. EPDM lining with DVGW certificate for drinking water. It has an ISO 5211 flange for direct mounting of actuators. Between the body and the stem is a stem bushing of bronze to ensure that the valve is easily operated over time. Face to face according to DIN EN 558-1 series 20 (K1). The valve is controlled by a pneumatic actuator with positioner 4-20 mA.