La valvola di non ritorno a molla viene fornita con molla Tantal Queste unità di iniezione vengono utilizzate dove è richiesta una pulizia regolare del tubo di iniezione

50 % (maximum flow = 60 l/h) and 25 % (maximum flow = 30 l/h)

Multifunction valves combine four functions:

Flanges are PN 10 with dimensions according to EN 1092-2

Submersible drainage pump type Vertical single-stage stainless steel submersible pump with vertical discharge port and integrated submersible 3-phase totally enclosed motor in insulation class F

cme 3 5 a r g v aqqv v a d n 99380640 La valvola di non ritornoCompact, reliable, horizontal, multistage, end suction centrifugal pump with axial suction port and radial discharge port. Pump materials in contact with the liquid are in high grade 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 3 phase, fan cooled, permanent magnet, synchronous motor. The motor efficiency is