Overview Reviews Product Description Belimo Characterized Control Valve (CCV), 4", 2-way, ANSI Class 250, Cv 186 |Valve Actuator, Electronic fail-safe, AC 24 V, On/Off, Floating point, NEMA 4X Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Belimo Belimo B6400S-186-250+GKRX24-3 N4 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments