{"product_id":"external-ast-emergency-shut-off-valve-2-ductile-iron","title":"EXTERNAL AST EMERGENCY SHUT-OFF VALVE (2\", DUCTILE IRON)","description":"The OPW 178S Series External AST Shut-Off Valve is designed to shut off product flow from an aboveground storage tank, bulk loading rack or any place in the fuel supply line in the event of a fire. The 178S installs in-line on fuel supply piping. A fusible link attached to a spring-operated lever holds the poppet normally open. In the event of a fire, the fusible link melts at 160°F, allowing the spring-actuated poppet to shut off the flow of product in the fuel supply line. The 178S is available in 2\" female NPT connections.","brand":"OPW Fueling","offers":[{"title":"Default Title","offer_id":45105335697603,"sku":"178S-6130","price":852.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1799\/0593\/files\/178s-6130-external-ast-emergency-shut-off-valve-ductile-iron-2-2.jpg?v=1772128497","url":"https:\/\/www.apsaviation.com\/products\/external-ast-emergency-shut-off-valve-2-ductile-iron","provider":"APS Aviation","version":"1.0","type":"link"}