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Wernert Chemical Pumps

Be it aggressive, abrasive, or toxic media – we provide the appropriate CENTRIFUGAL CHEMICAL PUMP made from non-metalic materials supported by cast steel to ISO 2858 / DIN EN 22858. These include UHMWPE, PVDF, or PTFE. Our plastic pumps satisfy the highest security and quality specifications, including ATEX. Wernert-Pumpen GMBH has a long standing tradition of being highly innovative. The first centrifugal pump made from plastics in the world was launched by Wernert as early as 1927.  Available in the range is centrifugal, grinding, magnetically coupled and submersible/vertical spindle pumps. Pumps are built to ISO 2858 / DIN EN 22858. Quadrant Chemplast (Pty) Ltd is the sole agent for Wernert Pumps and Spares in Southern Africa. Please do not hesitate to contact our technical sales staff for assistance in selecting the correct pump for your application.

APPLICATIONS:

For aggressive, abrasive or toxic media applications.

Type NE - The General Purpose Pump, Safe & Robust

Single stage process designed radial centrifugal pump • May be used in areas with explosive atmosphere – directive 94/9/EG • Semi open or closed impeller • WERNERT single bellows type mechanical seal or Double acting mechanical seal of most...

Type SP - The Power-Pump, More than 100 installations worldwide

Single stage process designed radial centrifugal pump • Closed impeller, specially designed for high abrasion applications • High efficiency as comparable metallic pumps • WERNERT Single - bellows mechanical seal or Double acting heavy duty...

Type Taifun® - High Safety Pump made of PTFE/ PFA with a permanent magnet excited synchronous motor

Single stage process designed radial centrifugal pump • Double hermetically tight by independent safety zones • Universal chemical resistant • Not prone to gas intrusion or throttled suction lines • One pump for all applications! • May be...

Type VKP - The Sump-Pump, invincible

Single stage vertical radial centrifugal pump • May be used in areas with explosive atmosphere – directive 94/9/EG • Semi open impeller • Delivery suspension pipe rubber lined or Halar coated • Dry running is possible for a short time,...

Type NKP - The Sump-Pump, invincible

Single stage vertical centrifugal pump • Space saving installation alongside a holding tank • Easy access and inspection options • May be used in areas with explosive atmosphere – directive 94/9/EG • Semi open impeller • Delivery...

UHMWPE:

Ultra High Molecular Weight Polyethylene

PVDF:

Poly Vinylidene Fluoride

PTFE:

Poly Tetra Fluoro Ethylene

PFA:

Perfluorinated Vinyl Ether or "Perfluoro Alkoxy"

NPSH:

Net Positive Suction Head

SG:

Specific Gravity (Ratio of the mass of a given volume of liquid to the mass of the same volume of water at the same temperature)

Density:

Mass of a fluid per unit volume kg/m3

Head:

The maximum pressure exerted at the pump discharge, measured in metres, water column or bar (10m = 1 Bar)

Flow (Q):

Velocity × Cross Sectional Area v.A

Efficiency:

η% = Power Output ÷ Power Input × 100

Viscosity:

μ of a fluid is a measure of its resistance to shear stress.