4-way nickel-plated valve 120B

4-way nickel-plated thermostat adaptable valve for two-pipe systems. With presetting. Built-in lockshield valve. Connection for copper or plastic pipe. O-ring sealed straight tailpiece, complete with flow separation probe. ABS handwheel. Differential pressure (item 148): 1.5 bar. Kvn coefficient with 2K proportional band : - DN 1/2” = 0.58 - DN 3/4” = 0.62. Compatible with thermostatic actuators series 148, 148A and electrothermic actuators 22CX and 26LC.