{"product_id":"9781625762061","title":"M49 Quarter-Turn Valves: Head Loss, Torque, and Cavitation Analysis, Third Edition","description":"\u003cbr\u003eThis manual presents a recommended method for calculating operating torque, head loss, and cavitation for quarter-turn valves typically used in water works service. M49 also provides guidance on generally available methods for using quarter-turn valves as well as their cavitation, flow, and torque characteristics. \u003cp\u003eThis third edition has broadened the application of the methods discussed to include other quarter-turn valves such as ball, plug and rotary cone valves. Additionally, new information on Equivalent Resistant System Model has also been included. \u003c\/p\u003e\u003cp\u003eInformation in this manual is useful for technicians and engineers who want a basic understanding of the calculations associated with the use and specification of quarter-turn valves. \u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"American Water Works Association","offers":[{"title":"Default Title","offer_id":47036827697392,"sku":"9781625762061","price":113.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781625762061_p0.jpg?v=1763867546","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781625762061","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}