Plug valves - catalogue - Cowan Dynamics

ACCESSORIESSTEM EXTENSION — GEAR OPERATORStem extensions are used for remote operation of the valve. Actuatorscan be attached to the top of the extension. Specify the length (L) of theextension required and the figure number of the valve it is to be attached to.CHAIN WRENCHSpecify the chain length required and whether the valve will be installed in ahorizontal or vertical line. To calculate chain length:90° rotation: 1. Double required drop2. Multiply Q by 0.53. 1+2 = required chain length180° rotation: Double calculation for 90°VALVE SIZE 1/2" (DN 15) 3/4" (DN 20) 1" (DN 25) 1 1/2" (DN 40) 2" (DN 50) 3" (DN 80) 4" (DN 100)in mm in mm in mm in mm in mm in mm in mmQ 13.00 330.20 13.00 330.20 16.00 406.40 24.00 406.40 36.00 914.40 36.00 914.40 60.00 1524.00PLUG-ANSI-DIN-R002-2009CHAIN WHEELSpecify the chain length required and whether the valve will be installed in ahorizontal or vertical line. To calculate chain length:1. Double required drop B2. Multiply chain wheel diameter A by 2.63. 1+2 = required chain lengthwww.fluorosealvalves.comE3