Do the rubber joint and Y filter need flange connection?
Not always。 There are 3 kinds of joint for rubber flexible joint. The most common and extensive use is flanged and threaded connection with the clamp connection. These 2 are based on the use of, and use less. The Y filters are flanged. Under special circumstances, can be customized according to demand drawings.
To look at the general caliber, less than DN50 also has threaded connection type (i.e., thread), but flange type is more reliable.
Rubber hose joints are usually externally threaded, and type Y filters are internally threaded and are directly connected to the same caliber.Flange connection also has ah, according to demand
