Hayward Flow Control Systems (Clemmons, NC, has announced a line of compact ball valves for a wide range of heavy duty chemical, water, and wastewater applications. The QVC and QTA series ball valves feature a rugged, all-plastic design usually found on higher cost ball valves, socket or threaded pipe connectors, Santoprene (TPV) seats, full porting, and a 150 PSI pressure rating. QVC Series valves are available in 1/2 to 4in. sizes in gray or white PVC, QTA Series valves are available in 1/2 to 2in. sizes in gray or white PVC, and include socket and threaded True Union end connections. The valves provide easy quarter-turn operation and are designed to fit into spaces too small for other valves.
For free info., visit http://info.hotims.com/15144-318
This week's Question: Amazon recently filed a patent for parachute-aided delivery of packages. The proposed idea imagines drones releasing parcels from the sky, deploying parachutes to slow their descent and ensure the valuables inside remain...
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