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KN Nexa Series

KN Nexa Series

KN Nexa Series

Product catalog summary
Overview: The SEKO S.p.A. KN0 316L Dosing Pump from the nexa series is a plunger-type dosing pump designed in compliance with API 675 standards, ensuring a heavy-duty design, high safety, and rigorous performance controls. It is suitable for various applications and can be installed in classified areas due to its ATEX compliance.
General Specifications:
  • Low noise integral gearbox with worm type, oil bath lubrication.
  • Energy-efficient design with low friction rolling bearings.
  • Flexible mechanism allowing different piston speeds on the same group.
  • Micrometric stroke length adjustment, both manual and automatic.
  • Automatic stroke length variation via electrical servomotor, pneumatic actuator, or frequency converter.
  • Linearity and repeatability in compliance with API 675 standards.
  • Easy installation of electrical servomotor on manual stroke adjustment mechanism.
Plunger Pumphead Features:
  • Reliable and easy maintenance.
  • Ready for flushing connection or leakage recovery system connection.
  • Plunger coating or mechanical surface hardening for heavy-duty applications.
Technical Characteristics:
  • Flow rates range from 0.60 to 31.3 lph at 50Hz.
  • Maximum pressure of 200 bar.
  • Operating ambient temperature between -10°C and +40°C.
  • Maximum altitude of 1000 m above sea level.
  • Fluid operating temperature between -10°C and +70°C.
  • Viscosity up to 1000 cP, higher on request.
  • Stroke adjustment during operation from 0 to 100%.
  • Accuracy of ±1% on the turndown ratio of 10:1.
  • Minimum NPSHr of 3 mwc, indicating high suction capability.
  • Multihead solutions available, up to six heads.
  • Compliance with API 675, CE marking, and ATEX II 2 G c IIB T4.
  • Protection rating of IP 55 and epoxy painting at 125 microns.
Hydraulic Characteristics: The document provides detailed performance data for various pump models, including flow rates, maximum pressure, and connection sizes. The pumps are tested with water at 20°C.
Dimensions and Weight: The document lists dimensions and estimated weights for different pump models, along with electric motor specifications.
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Catalog excerpts

KN Nexa Series-1

| SEKO S.p.A. KN0 316L DOSING PUMP nexa SERIES – Plunger Technical data can be changed without notice. TD_KN0_SS_rev.2.2 1 of 4 nexa series includes plunger and hydraulic diaphragm dosing pumps designed in compliance with API 675 Standards; the conformity to the API Standards implies a “heavy duty” design, high safety and severe controls of the performances during the tests. The broad variety of heads execution offers a wide selection of dosing pumps to cover practically any application needs. In addition the full compliance with the ATEX European Directive gives the possibility to install these pumps in classified areas too. Mechanism Available in different sizes, they are mechanical return type, giving the maximum reliability in all working conditions. General Specifications: „h Low noise integral gearbox, worm type, oil bath lubricated „h Reduced energy consumption based on low friction rolling bearings design „h High flexibility multiple mechanism solution to permit different piston speeds (SPM) on the same group „h Micrometric stroke lenght adjustment both manually and/or automatically actuated. „h Automatic stroke length variation by electrical servomotor, pneumatic actuator or frequency converter. „h Linearity and repeatability in compliance with API 675 Standards. „h Easy “on field” installation of electrical servomotor on manual stroke adjustment mechanism. Plunger Pumphead: „h Reliable and easy maintenance „h Ready for flushing connection or for leakage recovery system connection „h Plunger coating or mechanical surface hardening for heavy-duty application Technical characteristics „h Flow rates: from 0,60 to 31,3 lph @ 50Hz „h Max Pressure: 200 bar „h Ambient temperature: -10 °C + 40 °C „h Max altitude: 1000 m (A.S.L.) „h Fluid operating temperature: -10 °C + 70 °C „h Viscosity up to 1000 cP (Higher on request) „h Stroke adjustment during operation from 0 to 100% „h Accuracy ± 1 % on the turndown ratio 10:1 „h Min NPSHr: 3 mwc „³ High suction capability „h Multiheads (up to six) solutions „h API 675 compliance „h CE marking „h ATEX II 2 G c IIB T4 compliance „h Protection: IP 55 „h Epoxy painting at 125 micron

 Open the catalog to page 1
KN Nexa Series-2

| SEKO S.p.A. KN0 316L DOSING PUMP nexa SERIES – Plunger Technical data can be changed without notice. TD_KN0_SS_rev.2.2 2 of 4 PUMP KEY CODE

 Open the catalog to page 2
KN Nexa Series-4

| SEKO S.p.A. KN0 316L DOSING PUMP nexa SERIES – Plunger Technical data can be changed without notice. TD_KN0_SS_rev.2.2 4 of 4 Allowable loads referred to pump nozzles Fx 0.10 KN Mx 0.04 KNm Fy 0.12 KN My 0.04 KNm Fz 0.10 KN Mz 0.04 KNm DIMENSIONS [mm] EXTIMATED WEIGHT Kg PUMP MODEL A B C D F (without motor) 1K06N01AC.. BSPP 1/4"F 116 116 283 42 28 1K08N01AC.. BSPP 1/4"F 116 116 283 42 28 1K10N01AC.. BSPP 1/4"F 116 116 303 49 29 1K12N01AC.. BSPP 1/4"F 93 93 303 49 29 1K15N01AB.. BSPP 1/4"F 93 93 303 49 29 1K20N01AB.. BSPP 1/4"F 116 116 316 53 29 1K25N01AB.. BSPP 1/4"F 81 81 316 53 29 Electric...

 Open the catalog to page 4

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.