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International brand dossier

ALLWEILER Pumps

ALLWEILER is a historic German pump brand within CIRCOR, with the first Allweiler fire-fighting wing pump to 1860.In water and process systems it is relevant for robust fluid handling, screw and centrifugal pump duties, industrial reliability, materials, seals, and serviceability rather than small packaged-equipment convenience.

ALLWEILER Pumps's position in pumps and pumping equipment is defined by product families such as Centrifugal Pumps, Side Channel Pumps and Propeller Pumps.The portfolio is best understood inside raw water intake, RO/NF feed, transfer, boosting, chemical dosing, wastewater lift, and desalination hydraulics, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models.

Representative series on this page include NT, NB and NI.Selection should focus on flow, head, efficiency, NPSH margin, wetted materials, seals, and drive arrangement.These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.

33

Indexed models

3

Product families

0

Subgroups

Model index

Product range and selection

How to choose ALLWEILER Pumps & Pumping

This section answers two questions: which main product families ALLWEILER offers, and which parameters to compare before choosing a specific model.

Step 1: Choose a product family by application

The main families shown on this page are Centrifugal Pumps, Side Channel Pumps, and Propeller Pumps. Start with the treatment objective, equipment format, and operating duty, then use the model index below to compare exact specifications.

Step 2: Confirm the model by key parameters

After choosing a product family, compare flow and head, materials, efficiency, and duty cycle. Replacement projects should also verify installation or loading conditions, interfaces, and compatibility with the existing system; new projects should consider operating practice, maintenance, and spare-parts or consumables availability.

Product family overview

3 product familys on this page.

Centrifugal Pumps

25 models in this family. Representative models: NT, NB, NI.

Side Channel Pumps

5 models in this family. Representative models: SRZ, SRZS, SEMA.

Propeller Pumps

3 models in this family. Representative models: ALLPRO PGE / PGF, ALLPRO PPR, ALLTRIMM.

Quick Model Index

Fast lookup for 33 indexed products

The table is intentionally compact: use it to scan model names, product families, and source links quickly. Open the profile cards below when you want richer context.

Product profile cards

Centrifugal Pumps

25 indexed models

ModelApplicationSources
NTThe ALLWEILER Series NT pumps are horizontal, single-stage volute casing centrifugal pumps designed according to DIN EN 733.
NBThe ALLWEILER Series NB is a volute casing centrifugal pump designed for circulating, water supply, and water treatment applications.
NIThe NI is an in-line volute casing centrifugal pump designed for various water and industrial liquid applications.
MA-BThe ALLMARINE MA-B is a block design volute casing centrifugal pump suitable for fresh water, sea water, condensate, and oils. It features pedestal mounting for dry.
NAM-FThe ALLWEILER NAM-F is a volute casing centrifugal pump designed for fresh and sea water applications, primarily in shipbuilding as a fire fighting pump.
NSGThe ALLWEILER NSG is a volute casing centrifugal pump designed for dry, horizontal installation on a base plate.
ALLUB NSSVThe ALLUB NSSV is an immersed volute casing centrifugal pump designed for lube oil supply to turbines, generators, and large machinery.
L / LVThe Allweiler LV series is a vertical, dry-installed volute casing centrifugal pump designed for high-pressure applications up to 25 bar and 140°C.
NAM / NIMThe NAM series is a volute casing centrifugal pump in block design, primarily for shipbuilding applications like cooling, ballast, bilge, and fire-fighting.
MI-DThe ALLMARINE MI-D is a double-suction, in-line volute casing centrifugal pump designed for various shipbuilding applications.
MELOThe ALLMARINE MELO series is a volute casing centrifugal pump designed for lube oil supply in marine and stationary power applications. This submerged.
NITThe ALLWEILER NIT is an in-line volute casing centrifugal pump designed for high-temperature applications in heat transfer technology. This block design pump.
ALLCHEM CNH-BThe ALLCHEM CNH-B is a volute casing centrifugal pump designed for use in petrochemical, chemical, and process industries.
ALLCHEM CNBThe ALLCHEM CNB is a volute casing centrifugal pump in block design for handling aggressive or non-aggressive liquids across various industries.
ALLCHEM CNH-MThe ALLCHEM CNH-M is a magdrive volute casing centrifugal pump designed for heat transfer and process applications. It features a base plate design.
ALLMAG CNB-MThe ALLMAG CNB-M is a magnetic drive centrifugal pump designed for aggressive fluids and applications in chemical processing and marine industries.
ALLMAG CMAThe ALLMAG CMA is a magnetic drive volute casing centrifugal pump designed for aggressive fluids and applications in process engineering, the chemical industry.
ALLMAG CMALThe ALLMAG CMAL is a magnetically driven volute casing centrifugal pump for base plate installation.
ALLMAG CMAT / CMITThe ALLMAG CMAT is a volute casing centrifugal pump with a magnetic drive designed for heat transfer applications. It features a block design suitable for dry, vertical.
ALLHEAT NTWHThe ALLHEAT NTWH is a volute casing centrifugal pump designed for heat transfer applications across various industries. It is available in a base plate design.
ALLHEAT NBWHThe ALLHEAT NBWH is a volute casing centrifugal pump designed for high-temperature heat transfer applications.
ALLHEAT NIWHThe ALLHEAT NIWH is an in-line volute casing centrifugal pump designed for high-temperature organic heat transfer oils in various industrial applications.
ALLHEAT CTWH / CHWThe ALLHEAT CTWH is a volute casing centrifugal pump designed for handling organic heat transfer oils in various industrial applications. This base plate mounted.
ALLHEAT CBWHThe ALLHEAT CBWH is a block design volute casing centrifugal pump specifically designed for handling organic heat transfer oils up to 400°C.
ALLHEAT CIWHThe ALLHEAT CIWH is a block-design, in-line volute casing centrifugal pump designed for heat transfer applications.

Side Channel Pumps

5 indexed models

ModelApplicationSources
SRZThe ALLWEILER Series SRZ is a self-priming, segmental side channel pump designed for heavy-duty chemical and process applications. It features a base plate design for dry.
SRZSThe ALLWEILER SRZS is a self-priming, dry-installed side-channel pump designed for handling liquids containing gas or vapor.
SEMAThe ALLWEILER SEMA is a self-priming, dry-installed, segmental side channel pump designed for aggressive and toxic liquids in environmental and industrial applications.
SFHThe SFH is a self-priming, base plate mounted side channel pump designed for various industrial applications including chemical processes and reverse osmosis.
SOHMThe ALLWEILER SOH series is a self-priming side channel pump designed for light duty applications in home engineering, agriculture, and general industry.

Propeller Pumps

3 indexed models

ModelApplicationSources
ALLPRO PGE / PGFThe ALLPRO PG is a propeller pump designed for high-capacity liquid transfer in industrial and environmental applications.
ALLPRO PPRThe ALLPRO PPR is a propeller pump series designed for horizontal or vertical installation in diverse industrial applications. It features a fabricated casing.
ALLTRIMMThe ALLTRIMM is a reversible, in-line propeller pump designed for anti-heeling systems in marine engineering.

Brand Technical Documents

33 readable document pages

These document pages collect product manuals, model notes, accessory documents, and application files for this brand in the current category. Open the PDF when original tables, diagrams, or full manuals are needed.

ALLCHEM CNB

The ALLCHEM CNB is a volute casing centrifugal pump in block design for handling aggressive or non-aggressive liquids across various industries.

ALLCHEM CNH-B

The ALLCHEM CNH-B is a volute casing centrifugal pump designed for use in petrochemical, chemical, and process industries.

ALLCHEM CNH-M

The ALLCHEM CNH-M is a magdrive volute casing centrifugal pump designed for heat transfer and process applications. It features a base plate design.

ALLHEAT CBWH

The ALLHEAT CBWH is a block design volute casing centrifugal pump specifically designed for handling organic heat transfer oils up to 400°C.

ALLHEAT CIWH

The ALLHEAT CIWH is a block-design, in-line volute casing centrifugal pump designed for heat transfer applications.

ALLHEAT CTWH / CHW

The ALLHEAT CTWH is a volute casing centrifugal pump designed for handling organic heat transfer oils in various industrial applications. This base plate mounted.

ALLHEAT NBWH

The ALLHEAT NBWH is a volute casing centrifugal pump designed for high-temperature heat transfer applications.

ALLHEAT NIWH

The ALLHEAT NIWH is an in-line volute casing centrifugal pump designed for high-temperature organic heat transfer oils in various industrial applications.

ALLHEAT NTWH

The ALLHEAT NTWH is a volute casing centrifugal pump designed for heat transfer applications across various industries. It is available in a base plate design.

ALLMAG CMA

The ALLMAG CMA is a magnetic drive volute casing centrifugal pump designed for aggressive fluids and applications in process engineering, the chemical industry.

ALLMAG CMAL

The ALLMAG CMAL is a magnetically driven volute casing centrifugal pump for base plate installation.

ALLMAG CMAT / CMIT

The ALLMAG CMAT is a volute casing centrifugal pump with a magnetic drive designed for heat transfer applications. It features a block design suitable for dry, vertical.

ALLMAG CNB-M

The ALLMAG CNB-M is a magnetic drive centrifugal pump designed for aggressive fluids and applications in chemical processing and marine industries.

ALLPRO PGE / PGF

The ALLPRO PG is a propeller pump designed for high-capacity liquid transfer in industrial and environmental applications.

ALLPRO PPR

The ALLPRO PPR is a propeller pump series designed for horizontal or vertical installation in diverse industrial applications. It features a fabricated casing.

ALLTRIMM

The ALLTRIMM is a reversible, in-line propeller pump designed for anti-heeling systems in marine engineering.

ALLUB NSSV

The ALLUB NSSV is an immersed volute casing centrifugal pump designed for lube oil supply to turbines, generators, and large machinery.

L / LV

The Allweiler LV series is a vertical, dry-installed volute casing centrifugal pump designed for high-pressure applications up to 25 bar and 140°C.

MA-B

The ALLMARINE MA-B is a block design volute casing centrifugal pump suitable for fresh water, sea water, condensate, and oils. It features pedestal mounting for dry.

MELO

The ALLMARINE MELO series is a volute casing centrifugal pump designed for lube oil supply in marine and stationary power applications. This submerged.

MI-D

The ALLMARINE MI-D is a double-suction, in-line volute casing centrifugal pump designed for various shipbuilding applications.

NAM / NIM

The NAM series is a volute casing centrifugal pump in block design, primarily for shipbuilding applications like cooling, ballast, bilge, and fire-fighting.

NAM-F

The ALLWEILER NAM-F is a volute casing centrifugal pump designed for fresh and sea water applications, primarily in shipbuilding as a fire fighting pump.

NB

The ALLWEILER Series NB is a volute casing centrifugal pump designed for circulating, water supply, and water treatment applications.

NI

The NI is an in-line volute casing centrifugal pump designed for various water and industrial liquid applications.

NIT

The ALLWEILER NIT is an in-line volute casing centrifugal pump designed for high-temperature applications in heat transfer technology. This block design pump.

NSG

The ALLWEILER NSG is a volute casing centrifugal pump designed for dry, horizontal installation on a base plate.

NT

The ALLWEILER Series NT pumps are horizontal, single-stage volute casing centrifugal pumps designed according to DIN EN 733.

SEMA

The ALLWEILER SEMA is a self-priming, dry-installed, segmental side channel pump designed for aggressive and toxic liquids in environmental and industrial applications.

SFH

The SFH is a self-priming, base plate mounted side channel pump designed for various industrial applications including chemical processes and reverse osmosis.

SOHM

The ALLWEILER SOH series is a self-priming side channel pump designed for light duty applications in home engineering, agriculture, and general industry.

SRZ

The ALLWEILER Series SRZ is a self-priming, segmental side channel pump designed for heavy-duty chemical and process applications. It features a base plate design for dry.

SRZS

The ALLWEILER SRZS is a self-priming, dry-installed side-channel pump designed for handling liquids containing gas or vapor.

AI-ready Product Profiles

Product cards for screening and future AI matching

These cards are designed as reusable product profiles: the same format can later appear in AI search results, shortlist views, and assisted product matching.

Centrifugal Pumps

25 profile cards

Pumps & Pumping
ALLWEILER logo

Product profile

NT

The ALLWEILER Series NT pumps are horizontal, single-stage volute casing centrifugal pumps designed according to DIN EN 733.

Pumps & Pumping
ALLWEILER logo

Product profile

NB

The ALLWEILER Series NB is a volute casing centrifugal pump designed for circulating, water supply, and water treatment applications.

Pumps & Pumping
ALLWEILER logo

Product profile

NI

The NI is an in-line volute casing centrifugal pump designed for various water and industrial liquid applications.

Pumps & Pumping
ALLWEILER logo

Product profile

MA-B

The ALLMARINE MA-B is a block design volute casing centrifugal pump suitable for fresh water, sea water, condensate, and oils. It features pedestal mounting for dry.

Pumps & Pumping
ALLWEILER logo

Product profile

NAM-F

The ALLWEILER NAM-F is a volute casing centrifugal pump designed for fresh and sea water applications, primarily in shipbuilding as a fire fighting pump.

Pumps & Pumping
ALLWEILER logo

Product profile

NSG

The ALLWEILER NSG is a volute casing centrifugal pump designed for dry, horizontal installation on a base plate.

Show remaining Centrifugal Pumps profiles (19)
Pumps & Pumping
ALLWEILER logo

Product profile

ALLUB NSSV

The ALLUB NSSV is an immersed volute casing centrifugal pump designed for lube oil supply to turbines, generators, and large machinery.

Pumps & Pumping
ALLWEILER logo

Product profile

L / LV

The Allweiler LV series is a vertical, dry-installed volute casing centrifugal pump designed for high-pressure applications up to 25 bar and 140°C.

Pumps & Pumping
ALLWEILER logo

Product profile

NAM / NIM

The NAM series is a volute casing centrifugal pump in block design, primarily for shipbuilding applications like cooling, ballast, bilge, and fire-fighting.

Pumps & Pumping
ALLWEILER logo

Product profile

MI-D

The ALLMARINE MI-D is a double-suction, in-line volute casing centrifugal pump designed for various shipbuilding applications.

Pumps & Pumping
ALLWEILER logo

Product profile

MELO

The ALLMARINE MELO series is a volute casing centrifugal pump designed for lube oil supply in marine and stationary power applications. This submerged.

Pumps & Pumping
ALLWEILER logo

Product profile

NIT

The ALLWEILER NIT is an in-line volute casing centrifugal pump designed for high-temperature applications in heat transfer technology. This block design pump.

Pumps & Pumping
ALLWEILER logo

Product profile

ALLCHEM CNH-B

The ALLCHEM CNH-B is a volute casing centrifugal pump designed for use in petrochemical, chemical, and process industries.

Pumps & Pumping
ALLWEILER logo

Product profile

ALLCHEM CNB

The ALLCHEM CNB is a volute casing centrifugal pump in block design for handling aggressive or non-aggressive liquids across various industries.

Pumps & Pumping
ALLWEILER logo

Product profile

ALLCHEM CNH-M

The ALLCHEM CNH-M is a magdrive volute casing centrifugal pump designed for heat transfer and process applications. It features a base plate design.

Pumps & Pumping
ALLWEILER logo

Product profile

ALLMAG CNB-M

The ALLMAG CNB-M is a magnetic drive centrifugal pump designed for aggressive fluids and applications in chemical processing and marine industries.

Pumps & Pumping
ALLWEILER logo

Product profile

ALLMAG CMA

The ALLMAG CMA is a magnetic drive volute casing centrifugal pump designed for aggressive fluids and applications in process engineering, the chemical industry.

Pumps & Pumping
ALLWEILER logo

Product profile

ALLMAG CMAL

The ALLMAG CMAL is a magnetically driven volute casing centrifugal pump for base plate installation.

Pumps & Pumping
ALLWEILER logo

Product profile

ALLMAG CMAT / CMIT

The ALLMAG CMAT is a volute casing centrifugal pump with a magnetic drive designed for heat transfer applications. It features a block design suitable for dry, vertical.

Pumps & Pumping
ALLWEILER logo

Product profile

ALLHEAT NTWH

The ALLHEAT NTWH is a volute casing centrifugal pump designed for heat transfer applications across various industries. It is available in a base plate design.

Pumps & Pumping
ALLWEILER logo

Product profile

ALLHEAT NBWH

The ALLHEAT NBWH is a volute casing centrifugal pump designed for high-temperature heat transfer applications.

Pumps & Pumping
ALLWEILER logo

Product profile

ALLHEAT NIWH

The ALLHEAT NIWH is an in-line volute casing centrifugal pump designed for high-temperature organic heat transfer oils in various industrial applications.

Pumps & Pumping
ALLWEILER logo

Product profile

ALLHEAT CTWH / CHW

The ALLHEAT CTWH is a volute casing centrifugal pump designed for handling organic heat transfer oils in various industrial applications. This base plate mounted.

Pumps & Pumping
ALLWEILER logo

Product profile

ALLHEAT CBWH

The ALLHEAT CBWH is a block design volute casing centrifugal pump specifically designed for handling organic heat transfer oils up to 400°C.

Pumps & Pumping
ALLWEILER logo

Product profile

ALLHEAT CIWH

The ALLHEAT CIWH is a block-design, in-line volute casing centrifugal pump designed for heat transfer applications.

Side Channel Pumps

5 profile cards

Pumps & Pumping
ALLWEILER logo

Product profile

SRZ

The ALLWEILER Series SRZ is a self-priming, segmental side channel pump designed for heavy-duty chemical and process applications. It features a base plate design for dry.

Pumps & Pumping
ALLWEILER logo

Product profile

SRZS

The ALLWEILER SRZS is a self-priming, dry-installed side-channel pump designed for handling liquids containing gas or vapor.

Pumps & Pumping
ALLWEILER logo

Product profile

SEMA

The ALLWEILER SEMA is a self-priming, dry-installed, segmental side channel pump designed for aggressive and toxic liquids in environmental and industrial applications.

Pumps & Pumping
ALLWEILER logo

Product profile

SFH

The SFH is a self-priming, base plate mounted side channel pump designed for various industrial applications including chemical processes and reverse osmosis.

Pumps & Pumping
ALLWEILER logo

Product profile

SOHM

The ALLWEILER SOH series is a self-priming side channel pump designed for light duty applications in home engineering, agriculture, and general industry.

Propeller Pumps

3 profile cards

Pumps & Pumping
ALLWEILER logo

Product profile

ALLPRO PGE / PGF

The ALLPRO PG is a propeller pump designed for high-capacity liquid transfer in industrial and environmental applications.

Pumps & Pumping
ALLWEILER logo

Product profile

ALLPRO PPR

The ALLPRO PPR is a propeller pump series designed for horizontal or vertical installation in diverse industrial applications. It features a fabricated casing.

Pumps & Pumping
ALLWEILER logo

Product profile

ALLTRIMM

The ALLTRIMM is a reversible, in-line propeller pump designed for anti-heeling systems in marine engineering.