Butterfly Valve according to the struction can be classified as: concentric type; eccentric type; triple eccentric.
Today we focus on introducing concentric type butterfly valve, what is concentric type butterfly valve according to structure? The rotary center of the valve disc is located on the center line of the valve body and through the center of the sealing surface.
This is a cross section of the butterfly valve with names on each part and a drawing of butterfly valve with gearbox. And you can also click here wafer butterfly valve to check more information.
The following figure explains the function of each component in detail:
TH Valve is a professional manufacturer of butterfly valve, gate valve, check valve, globe valve, knife gate valve, ball valve with API, JIS, DIN standard, used in Oil, Gas, Marine industry, Water supply and drainage, fire fighting, shipbuilding, water treatment and other systems, with Nominal Diameter of DN50 to DN1200, NBR/EPDM/VITON, Certificates & Approvals: DNV-GL, Lloyds, DNV, BV, API, ABS, CCS. Standards: EN 593, API609, API6D.