SEZ, SEZT, PHZ, PNZ - Vertical Tubular Casing Pumps

Product catalog summary

Overview
This document provides technical specifications and applications for KSB's vertical tubular casing pumps, specifically the SEZ, SEZT, PHZ, and PNZ models. These pumps are designed for various industrial applications, including seawater provision for desalination, cooling water systems, and water extraction in power stations and industrial plants.

Applications

Seawater provision for desalination systems
Cooling water systems in power stations and industrial plants
Water extraction for flue gas desulphurisation
Water extraction and drainage in low-lift pumping stations

Features and Benefits

High-quality pump technology with in-house performance testing and after-sales service
Optimised pump design for reduced maintenance costs
Two design variants: pull-out design for easy maintenance
High-quality materials, including RESIDUR® bearings, ensure high availability and low maintenance
Efficient water supply through tailored pump selection from a modular design system
Economically efficient with options for pre-swirl control equipment or variable speed drives

Technical Specifications

Model	Max. Flow Rate (m3/s)	Max. Head (m)	Max. Fluid Temperature (°C)	Max. Speed (min–1)
SEZ / SEZT	22	50 / 100	40	980
PHZ	18	25	40	980
PNZ	18	15	40	980

* Higher pump heads and flow rates available on request.

Material Specifications

Fluid Pumped	Standard Material
Fresh water ≤ 28 °C	Casing: grey cast iron/steel, Impeller: CrNi steel, Shaft: carbon steel
Seawater ≤ 25 °C	Casing: CrNi-steel, Impeller: CrNi-steel, Shaft: duplex steel
Seawater ≤ 35 °C	Casing: duplex steel, Impeller: duplex steel, Shaft: duplex steel
Seawater 35°C - 40°C	Casing: super duplex steel, Impeller: super duplex steel, Shaft: super duplex steel

Contact Information

KSB Aktiengesellschaft
Johann-Klein-Straße 9
67227 Frankenthal (Germany)
Website: www.ksb.com

Catalog excerpts

SEZ, SEZT, PHZ, PNZ - Vertical Tubular Casing Pumps-1

Pumps n Valves n Systems SEZ, SEZT, PHZ, PNZ – Vertical Tubular Casing Pumps Water Industry Energy Building Services Mining Applications n Provision of seawater for desalination systems n Cooling water systems in power stations and industrial plants n Water extraction for flue gas desulphurisation n Water extraction and drainage in low-lift pumping stations Further information: www.ksb.com/products Waste Water

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SEZ, SEZT, PHZ, PNZ - Vertical Tubular Casing Pumps-2

adjustment... One-stop shopping with KSB’s engineering package: n High-quality pump technology n In-house test stand for performance tests n After-sales and service n Model testing of intake structures n Expert consultancy for system planning and project management Optimised pump design reduces maintenance costs KSB tubular casing pumps are available in two design variants. Pumps in pull-out design allow straightforward removal and maintenance of all parts subject to wear and tear. SEZ, SEZT, PHZ, PNZ – Vertical Tubular Casing Pumps High-quality materials ensure high level of availability Every...

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