High Pressure Centrifugal Pumps VKI

Product catalog summary

Overview: The document provides technical specifications and applications for High Pressure Centrifugal Pumps VKI, highlighting their design, performance, and operational features.

Specifications:

Shaft Sealing: Standardized mechanical seal.
Flanges: DN 32 to DN 50, DIN 2534, PN 25.
Lubrication: Friction bearing lubricated by pumping liquid.
Drive: Available in 50 Hz and 60 Hz with IEC-standard 3-phase electric motors, 400 V and 460 V respectively, insulation class F, Protection IP 55.
Options: Special voltage/frequency, PTC-resistors, integrated frequency transformer with PI-controller and sensor for motors up to 4 kW.

Design and Features:

Non-selfpriming multistage high-pressure centrifugal pump in vertical in-line design.
High efficiency, low-noise operation, modular construction, use of high-grade material, minimal maintenance, and easy servicing.

Applications: Suitable for pumping clear and slightly contaminated liquids in pressure boosting systems, central heating, water supply systems, power stations, filter units, fire extinguishing, and irrigation plants.

Liquids: Fresh water, drinking water, boiler feed water, process water, sea and brackish water, hot water, condensate, lye, and other non-aggressive liquids.

Performance:

Capacity: Up to 26 m3/h (95 IGPM/115 USGPM).
Head: Up to 230 m (755 ft).
Speed: Up to 3500 rpm.
Temperature: Up to 90 °C (120 °C) / 194 °F (248 °F).

Materials: All pump parts in contact with the medium are made of 1.4301 (AISI 304), with an option for 1.4401 (AISI 316).

Performance Range: Detailed performance ranges for models VKI 4, VKI 8, and VKI 16 at speeds of 2900 and 3500 rpm, with varying numbers of stages.

Additional Features: An optional OSNA motor controller with a fully programmable frequency controller for precise adjustments to changing conditions, with clear text display for parameter settings.

Contact Information: OSNA-Pumpen GmbH, Brückenstrasse 3, D-49090 Osnabrück, Phone: +49 5411211-0, Fax: +49 5411211-220, Website: www.osna.de, Email: [email protected].

Catalog excerpts

High Pressure Centrifugal

Open the catalog to page 1

High Pressure Centrifugal Pumps VKI Non-selfpriming multistage high-pressure Shaft sealing centrifugal pump in vertical in-line standardized mechanical seal electric motor 460 V, Flanges insulation class F, Protection IP 55 Options for electric motors: ■ special voltage and/or frequency ■ use of high grade material friction bearing, lubricated by ■ PTC- resistors for operation with ■ little maintenance necessary pumping liquid frequency transformer ■ up to 4 kW: integrated frequency transformer with PI-controller and IEC-standard 3-phase electric motor sensor. Programming on clear For the pumping...

Open the catalog to page 2

An OSNA motor controller which consists of a motor and an integrated, fully programmable frequency controller is optionally available. This controller provides exact and quick adjustment to changing operating conditions. The display shows the actual parameters in clear text, the tar- get parameters can be entered using the keyboard. Model designation Max. Number of Stages at Speed r.p.m.

Open the catalog to page 3

OSNA-Pumpen GmbH Internet: www.osna.de eMail: [email protected] Water treatment

Open the catalog to page 4

High Pressure Centrifugal Pumps VKI

High Pressure Centrifugal Pumps VKI

Catalog excerpts

All OSNA-Pumpen GmbH catalogs and technical brochures