Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28Spring Return Handle provides unassisted opening or closing of manually operated quarter turn valves. The Spring Return Handle, driven by a powerful, completely enclosed torsion spring, automatically returns the valve to the desired fully-open or fully-closed position when released.Automatic valve repositioning is a convenience and safety feature for filling, sampling, or dispensing applications.The automatic repositioning is ideal as a safety feature in manual emergency conditions. It is ruggedly constructed to meet the demanding requirements of rapid and repetitive operations. Unless specified otherwise, valve/handle assemblies will be furnished for spring-to-close operation. FEATURES OF ROTARY STYLE SPRING RETURN OPERATOR • Positive quick acting operation for ball, plug, or butterfly valve • Strong, durable torsion spring mechanism • Rugged metal construction • Enclosed clock-type 90 degree spring • Weatherproof sealed spring housing • Tough corrosion resistant epoxy paint • Reliable low stress range springs are available in clockwise or counter-clockwise action • Valve cannot be left in wrong position OPTIONAL EQUIPMENT • Limit switches for remote indication of valve position. Unless otherwise specified, SPDT limit switches will be provided to indicate open and closed positions. • A locking device to permit padlocking the handle in either the open or closed position is available. Spring Housing cut away to show detail of Spring & Worm Gear Spring Return Deadman Handle for Quarter Turn Valves KI Series PAGE 4