№ Name Material 1 Stem for Pneumatic Actuator Installation Steel 45 2 O-Ring EPDM 3 Retaining Spring Spring Steel 4 Upper End Cap Aluminum Alloy 5 Screw Steel 304 6 Retaining Bracket (Main Link) Steel 304 7 Housing Aluminum Alloy 8 O-Ring EPDM 9 Gearbox Ductile Iron QT50 10 Adapter Coupling Ductile Iron QT40 11 Gearbox Stem Ductile Iron QT40
slightly contaminated liquids with suspended particles content up to 5% Direction of medium flow double-sided Tightness class A Control type under the drive Connection to the pipeline interflange Nominal pressure of flanges
Materials of butterfly valves Elephant WBV3131V-2W-Fb-H
DN H H1 H2 L L1 ØDм ØDк D2
Water Butterfly valves Elephant WBV3131S-2W-T-H, body material - stainless steel AISI 304, seal - Silicon, with pneumatic actuator PA-DA-052 double action, 4M310-08 NAMUR 24V, LSU APL-210N, ATU AFC2000 Static № Name Material 1 StemButterfly valves are 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 disk by 90. Opening is performed by turning the handle counterclockwise, closing clockwise. Pneumatic double acting rotary actuators PA DA and pneumatic
