The Series 365 Vic-Plug valve and the Series 317 check valve from Victaulic offer fast, easy installation and maintenance. They are quickly and easily installed with Victaulic Style 31 couplings. With just two bolts per coupling, the valves can be installed faster than flanged valves. The couplings also simplify access to the valve and piping system, enabling quicker maintenance and reducing system downtime. The check and plug valves are designed to ANSI/AWWA standards. The end-to-end dimensions, materials and general design of the Series 317 check valve conform to AWWA C-508; the Series 365 Vic-Plug valve conforms to AWWA C-509 standard end-to-end dimensions. The grooved ends of both valves conform to AWWA C-606. They are available in 3- to 12-inch sizes, and can be used in applications with maximum working pressures of 175 psi. Bidirectional sealing to 25 psi is standard for the Series 365 plug valve; full bidirectional sealing to 175 psi is also available. A range of manual and automatic operators and accessories are available with the plug valve. The check valve is available with a spring and lever, weight and lever and adjustable air cushions. 610/559-3300; www.victaulic.com.