Visual flow indicators Flow rate0,160 LPM H2O Materials Anodized aluminium Nickel-plated brass - 304 stainless steel Tube: Pirex glassSealing: NBR (standard) FKM EPDM Max pressure 15 bar Operating temperature -10C +100C Intervention differential ca. 20% Size IF1/IF2/IF3 136x40x40 mm IF4 163x40x40 mmIF5 190x50x50 mm Thread connection IF1/IF2/IF3 G1/4 IF4 G1/2 IF5 G1 Mounting Vertical