Siemens VVG549.25-6.3K two-way valve, 5.5mm, DN20, Kvs=6.3, PN25 external threads, pressure-compensated

As a control or safety shut-off valve in accordance with the DIN 32730 standard for district heating and
in heating plants where the medium temperature normally does not exceed +130 °C and
short-term up to +150 °C. For closed systems.