Double-diaphragm pump NEXA

oilhydraulically-operatedstationary

A trustworthy solution for applications requiring the highest levels of operational accuracy and reliability. The features include: Hydraulic oil-operated diaphragms Double oil for hydraulics and mechanism lubrication ensuring 100% chemical tightness and operational safety for higher reliability, dosing accuracy and application flexibility Preformed PTFE diaphragms as standard, for an excellent chemical compatibility and increased compactness allowing an outstanding level of efficiency Sealed design for metering hazardous fluids such as toxic or corrosive solutions and protection against external contamination Mechanical replenishment system maintains a constant level of the hydraulic fluid, thereby guaranteeing maximum precision and repeatability and enabling diaphragms deformation control for extended life Standard wetted parts include 316L stainless steel, PP and PVDF, with other materials available upon request Diaphragm rupture detector available in multiple options: Exakta standard local visual Local visual via pressure gauge Pressure switch (any make, model or case material and signal type: analogue 4 – 20 mA, digital, HART protocol) Pressure transmitter (any make, case material and signal type: analogue 4 – 20 mA, digital, HART protocol)