snippet: Dixon, B5121E800LL-BBC, 8" Spring Return Pneumatic Butterfly Valve Use <ul><li>Installs between standard ANSI class 150# flanges </li> </ul> Specifications <ul><li>Valve conforms to MSS-SP-67,MSS-SP-25, API-609 </li> </ul> Features <ul><li>Valve has a cast iron body with extended neck, a nickel plated ductile iron disk and a replaceable EPDM seat. </li> <li>The valves seat backing ring ensures blow-out proof service. </li> <li>Valve features no taper pins and is field repairable (seat kits available). </li> <li>Rack and Pinion actuator has a hard anodized aluminum body, nickel plated anti-blowout pinion, Buna-N O-rings and NAMUR mounting. </li> <li>Actuator is tested to one million cycles and it features bi-directional stops for ±5° travel adjustment and visual position indication. </li> <li>80 PSI plant air is required </li> </ul>

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