OS&Y gate valve is developed to be used as the cut off and zone control valves in order to substitute supervisory switched butterfly valves in the fire security systems. Just to make them visible and traceable inside the systems, they are preferred to be used with post indicators instead of wheels. Valves could be commanded to get on/off by using post indicators and the valve positions could and traced. These valves also suitable for indoor and outdoor applications.
Disadvantages: Not smaller than the other valves, and non-economic.
Advantages; Smaller than the pressure cut and reducing valves and more economic than other valves.
Size: 2”, 2 ½”, 3”, 4”, 5”, 6”, 8”, 10”, 12”
Working Pressure: 20,7 bar (300psi)
Max. Test Pressure: 41,4 bar (600psi)
Working Temperature: 0 – 80°C
Connection: Flange diameter and thickness according to ANSI B16.1 Class 125, EN1092-2 PN10 or EN1092-2 PN16
Specifications: Design and dimensions conform to AWWA C515
Corrosion Protection: Fusion bonded epoxy coating in accordance with ANSI/AWWA C550 for both interior and exterior surface.
Features: Pre-notched, stainless steel stem for easy attachment of supervisory switch
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