Overview Reviews Product Description Belimo ZoneTight™ (PIQCV), 1/2", 2-way, GPM 0.9|Valve Actuator, Electronic fail-safe, AC/DC 24 V, On/Off, 1 x SPST, Normally Closed, Fail-safe position Closed Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Belimo Belimo Z2050QPT-B+CQKB24-S-RR Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments