Z2050QPF-F+CQKB24-S-RR | ZoneTight? (QCV), Press Fit, 1/2", 2-way, Cv?1.4?|Valve Actuator, Electronic fail-safe, AC/DC?24?V, On/Off, 1 x SPST, Normally Closed, Fail-safe position Closed | Belimo
Z2050QPF-F+CQKB24-SR-RL | ZoneTight? (QCV), Press Fit, 1/2", 2-way, Cv?1.4?|Valve Actuator, Electronic fail-safe, AC/DC?24?V, 2...10?V, Normally Closed, Fail-safe position Open, modulating | Belimo
Z2050QPF-J+CQKB24-SR-LR | ZoneTight? (QCV), Press Fit, 1/2", 2-way, Cv?5.9?|Valve Actuator, Electronic fail-safe, AC/DC?24?V, 2...10?V, Normally Open, Fail-safe position Closed, modulating | Belimo