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HN Nexa Series

HN Nexa Series
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Nexa Series PLUNGER AND HYDRAULIC DOUBLE DIAPHRAGM METERING PUMPS nnovation > technology > future

Nexa Series A line of plunger and hydraulic double diaphragm metering pumps designed according to the API 675 standards. Their possibility of construction with various materials allows these metering pumps to satisfy every liquid dosing and mixing application. Furthermore, their complete compliance with the ATEX standards even allows for these pumps to be installed in hazardous areas. Hydraulic double diaphragm metering pump in AISI 316L stainless steel Mechanisms Of a positive return typology and available in various sizes. Main characteristics: n Internal worm gearbox, oil bath lubricated...

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Flexibility In the standard configuration, the motor is horizontally mounted on the right, but the pumps can also be furnished with the motor horizontally mounted on the left or vertically mounted, depending on the installation requirements Standard version with horizontal motor Special version with vertical motor Modularity All nexa mechanisms, even of different sizes, can be easily combined to form metering units with certain significant construction advantages, simplifying assembly and installation. n The mechanisms are coupled together using joints with no exposed parts; the result is a...

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Nexa Series YN, TN, HN: Hydraulic double diaphragm heads The ideal solution for applications requiring high levels of operational safety and reliability: n Zero leakage; watertight construction for dosing toxic, corrosive and other hazardous liquids, for which the absence of leaks is fundamental n Protection against external pollutants which could contaminate the liquid being pumped if using plunger pumps n Double diaphragm, double protection; if one of the two diaphragms is damaged, the protection system immediately signals the anomaly; the pump is nevertheless permitted to continue to...

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Venting system Features Pressure relief valve Standards Local visual indicator of the diaphragm rupture Cartridge valves n Pressure up to 200 barg (higher upon request) n Flow rate up to 2650 l/h with a single head n Fluid temperature from -10 °C to 90 °C (from -40 °C to 150 °C upon request) n Contact materials - AISI 316L - PP - PVDF - Special configurations available upon request n Venting system Aside from guaranteeing automatic venting during operation, the venting system also facilitates the pump startup by favouring the air purge by means of a manual action. n Mechanical refilling...

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Nexa Series Options n Automatic, electric or pneumatic adjustment or through an inverter n Flanged connections n Heated or cooled heads n Transmission of the diaphragm rupture signal n Flow rate calibrators n Pulsation dampers n Safety valves n Back pressure valves ATEX metering pump equipped with an electric actuator for flow rate adjustment > process & systems > metering pumps nexa series

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Applications Industrial sectors n Chemical n Food & Beverages n Detergents n Power Generation n Environment n Oil & Gas n Petrochemical n Pharmaceutical n Paper n Textile Double diaphragm metering pump with PVDF head Kolben-Dosierpumpe, Pumpenkopf aus rostfreiem Edelstahl AISI 316L

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A Worldwide Group at your service seko is an International Group, developing, manufacturing and delivering its products in more than 50 countries, through its subsidiaries and an extended network of distributors, agents and authorized dealers. seko is a leading manufacturer of dosing pumps and dosing systems with more than 40 years experience. This long activity allowed seko to acquire a vast experience in diversified applications and to confirm its international success in many industrial fields through the supply of reliable solutions for the dosing, injection and transfer of liquids. ▲...

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