The positioner uses a nozzle-flap device and a feedback servo mechanism (a system of springs and levers) to bring the control force and the feedback force into equilibrium when the pneumatic actuator (valve) reaches the position corresponding to the control signal
Dimensions hors tout et d'installation du robinet à boisseau sphérique Elephant BV3131P(3pc)-FP-F-ISO-H PA-SA 4M310-08 24V APL-210N AFC2000 :
Paramètres techniques des vannes à disque à eau Elephant WBVV3232N-2W-Fb-H
Croquis des portes WBV0232E-2W-Fb PA-DA 4M310-08 APL-510N-EX MON 4M310-08 220V AFC2000
Overall and installation dimensions of the gate valve Elephant WBV1432E-2W-Fb-H DN40
water butterfly valve elephant wbv3434pf 2w fb h body material carbon steel disk material carbon steel seal ptfe pneumatic actuator pa sa with return springs For welding The positioner uses a nozzle-flapRotary disc gate valve is designed for use as shut off or regulating valves for flow control in heat supply systems, water supply systems, in technological processes of food, chemical, oil and gas, pulp and paper and other industries. Operating principle: The valves are opened and closed by turning the disc by 90. Opening is performed by turning the handle anti clockwise, closing clockwise. The peculiarity of the gate valves of this series is the