The unbalanced rubber bellows seal is according to DIN EN 12756

Pump protection through pressure relief 3

"Power on": Motor is running (rotating green indicator lights) or not running (permanently green indicator lights)

A pressure sensor

Pipework connection is via PN 6 DIN flanges (EN 1092-2 and ISO 7005-2)

cm 1 2 a r i e aqqe c1 a a n 92889420 The unbalanced rubber bellows sealCompact, reliable, horizontal, multistage, end suction centrifugal pump with axial suction port and radial discharge port. Pump materials in contact with the liquid are in stainless steel. The mechanical shaft seal is a special designed, unbalanced O ring seal. Pipework connection is via internal Whitworth pipe threads, Rp (ISO 7 1). The pump is fitted with a 1 phase, foot mounted, fan cooled asynchronous motor.