VVP45.20-4N 2-ход. сідельний клапан, зовн. різ., PN16, DN20, kvs 4

In ventilation and air-conditioning systems for water-side terminal unit control in closed circuits, e.g. induction units, fan coil units, small reheaters and small re-coolers, for use in

• 2-pipe systems with one heat exchanger for heating and cooling
• 4-pipe systems with two separate heat exchangers for heating and cooling

With threaded connections to ISO 228-1.
For low temperature hot water, chilled water, water with anti-freeze.