COMFORT Safety Group No. 24 DN 20 A25 10 bar 24.2 LF

The safety group 24 DN 20 A25 10 bar Lead Free provides optimum protection against overpressure in closed domestic hot water heaters (DHW), in accordance with DIN 1988, Part 2, DIN 4753, Part 1 and DIN EN 1488. It meets the sound insulation requirements of DIN 4109 (Sound Insulation in Buildings) Class 1 and contains in a compact form all components prescribed by DIN 1988 and DIN EN 1488 for equipping DHW heaters. The safety valve protects the downstream DHW heater and the backflow preventer prevents the backflow of heated potable water. The safety group 24 DN 20 A25 consists of a double shut-off, a backflow preventer with a test device, a pressure gauge connection, a diaphragm safety valve, and an extendable drain funnel. The housing is made of lead-free brass, and the valve cap is made of glass fiber reinforced plastic. The easily replaceable diaphragm safety valve with a wear-resistant stainless steel seat can be rotated 360 degrees via a screw connection for adaptation to different installation conditions. Screw connections with R ¾. Technical data: Inlet pressure: 10 bar according to DIN EN 1488 Operating pressure: max. 80 % of the safety valve's set pressure Operating temperature: max. 30 °C inlet temperature Max. nominal DHW volume: 1,000 liters Max. DHW heating capacity: 150 kW Set pressure: Factory setting: 10 bar Medium: Potable water Installation position: Any Flow rate: 4.0 m³/h at ∆p 1.0 bar