... ,BS10D, Driving Style:Lever,gear Feature:- Small in size and light in weight. Easy to install and maintain.- Simple ... -off operation.- Minimized operating torque, energy saving.- Flow curve in straight line. Excellent regulation performance.- Long working life. 30,000 ... valves,butterfly valves, ball valves, plug valves strainers, etc.in accordance with the latest international standards of ANSI,DIN, ...