Electrical Shunt Gate Valves Serie VDE
MAIN CHARACTERISTICS : Series 1000 and 2000 three and four-way valves with butterfly rotor or circular segments can mount two types of electric servo controls. They are equipped with travel stop microswitches designed to the electrical power supply and with clutch devices that permit the valves to be manually actuated. Both motor are equipped with an auxiliary microswitch. The servo controls that available for the various valve sizes listed in the overall dimension table (table3). MANUAL CONTROL AND OPERATION : All electrical servo controls achieve on/off type adjustment (with SPDT electric control) or modulating adjustment (type P adjustment with step by step motors). Maximum angular travel is 90° (fixed standard setting of the travel stop microswitches). During manual adjustment the position of the gate is controlled by the pointer of the adaptor at graduated label on the valve body. Manual adjustment is performed as follows: For the ON/OFF version: just press the release pus-button placed above the servomotor (see Fig.3).