Fire Fighting FireLock Din F4 Flanged Resilient OS & Y Gate Valve ndi valavu yapamwamba kwambiri yopangidwira machitidwe otetezera moto. Vavu iyi imapangidwa pogwiritsa ntchito zida zolimba, zomwe zimapangitsa kuti ikhale yodalirika komanso yolimba. Ndi malekezero ake flanged, amaonetsetsa unsembe mosavuta ndi kukonza.