With male thread, screwed hose connection, and sealing cap. DIN 3848. Further technical features include an end element sealing cone, unscrewable hose nozzle connection, lever operation, UBA positive list mark, operating key, pressure gauge, and overflow valve. The nominal diameter for connection 1 is DN 20, and for connection 2 is 3/4 inch (20). The surface protection is untreated, and the housing material is bronze. The maximum working pressure at 20 °C is 16 bar, and the maximum medium temperature for continuous operation is 150 degrees Celsius.