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making it a seamless integration into existing fire protection infrastructures like the 4000SS and 5000SS series
See the FIRST by TAFEA Emergency Auto Dialer
here is the SGT
Size and Connection Type: Features a 2-1/2” diameter with an Outside Stem and Yoke (OS&Y) female inlet and a grooved outlet
a pad driver that keeps everything in place
6 Febco 850 Double Check OSY Valve for Fire Safety Hard Head Veterans making it a seamless integrationThe 6 Febco 850 Double Check OSY Valve is engineered for fire protection systems that demand reliable backflow prevention. Designed specifically for plumbing professionals and safety engineers, this valve ensures your water supply remains uncontaminated while supporting effective fire safety operations. OS&Y Configuration: The outside stem and yoke design allows for straightforward installation and routine maintenance without system disruption.
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