The unbalanced rubber bellows seal is according to DIN EN 12756

come "Valore effettivo"

5-16 FC-PVC/V/C-F-31U7U7 The SMART Digital DDA is a compact positive displacement

analog 0/4-20mA

tp 50 40 4 a f a bqbe cy4 99222007 The unbalanced rubber bellows sealSingle stage, close coupled, volute pump with in line suction and discharge ports of identical diameter. The pump is of the top pull out design, i. e. the power head (motor, pump head and impeller) can be removed for maintenance or service while the pump housing remains in the pipework. The pump is fitted with an unbalanced rubber bellows seal. The shaft seal is according to EN 12756. Pipework connection is via PN 6 10 DIN flanges (EN 1092 2 and ISO