The Safety Group 24 DN 15 A25 8 bar Lead Free provides optimal protection against overpressure in closed potable water heaters (PWH) 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 compactly contains all components prescribed by DIN 1988 and DIN EN 1488 for equipping PWHs. The safety valve protects the downstream PWH, and the backflow preventer prevents the backflow of heated potable water.
The Safety Group 24 DN 15 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 discharge 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 to adapt to different installation conditions. Screw connections with R ½.
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 capacity PWH: 200 liters
Max. heating capacity PWH: 75 kW
Set pressure: Factory setting: 8 bar
Medium: Potable water
Installation position: any
Flow rate: 2.0 m³/h at ∆p 1.0 bar
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