Model designations & variants
Similar names are not automatically the same pump. Models in one series can differ in materials, seals, connections and motors. Use this page to see what the catalogue says differs, and confirm with us before ordering a replacement.
Always confirm against the nameplate. A suffix, a different size or a different variant can change materials, shaft seal, flange connection, motor or dimensions. When in doubt, send us the nameplate photo and serial number.
How to read a model code
CDL1-2Series CDL / CDLF · size CDL1 · 2 stages
CDM1-2Series CDM / CDMF · size CDM1 · 2 stages
CDLK1-20/2Series CDLK / CDLKF (immersion) · size CDLK1 · 2 stages
LDMF3-2Series LDMF (hot water) · size LDMF3 · 2 stages
Examples are taken from the catalogue data: the code names the series and size, and, for multistage pumps, the stage count that sets the head. Other characters (for example an F, K or S in the series name) mark a different build; the table shows what the catalogue lists for each series.
| Series | Type | Pump materials (parts list) | Shaft seal materials | Connections | Variants listed | Also listed as |
|---|---|---|---|---|---|---|
| CDL / CDLF | Vertical multistage centrifugal pump | Cast iron, Stainless steel | Confirm with us | DN25, DN32, DN40, DN50 | 1, 2, B, A, 2B, 2A, A-B | CDLF1-2 = CDL1-2; CDLF1-3 = CDL1-3; CDLF1-4 = CDL1-4 |
| Compact in-line, non-self-priming vertical multistage pumps for clean, thin liquids. CDL has a cast-iron pump head and base; CDLF is the all-stainless-steel version for cleaner or more demanding duties. Stage count sets the head, so one size covers a wide pressure range from the same footprint. | ||||||
| CDM / CDMF | Vertical multistage centrifugal pump | Cast iron, Stainless steel | Tungsten carbide / Carbon | DIN flange DN25, DIN flange DN32, DIN flange DN40, DIN flange DN50 | 1, 2, B, A, 2B, 2A, A-B | CDMF1-2 = CDM1-2; CDMF1-3 = CDM1-3; CDMF1-4 = CDM1-4 |
| Low-noise, energy-saving, non-self-priming vertical multistage pumps designed to European standards. CDM suits non-corrosive liquids and CDMF suits lightly corrosive liquids. A good general choice for boosting, pressurising, HVAC and water-treatment duties. | ||||||
| CDLK / CDLKF (immersion) | Vertical multistage centrifugal pump | Cast iron, Stainless steel | Confirm with us | Thread G1 1/4", Thread G2", DIN flange DN65, DIN flange DN80 | 1, 2 | CDLKF1-20/2 = CDLK1-20/2; CDLKF1-30/3 = CDLK1-30/3; CDLKF1-40/4 = CDLK1-40/4 |
| LDMF (hot water) | Vertical multistage centrifugal pump | Cast iron, Stainless steel | Tungsten carbide / graphite | Flange DN25 / cutting ferrule DN32 / pipe thread R1¼ / oval flange G1, Flange DN32 / cutting ferrule DN32 / pipe thread R1¼ / oval flange G1¼, Flange DN40 / cutting ferrule DN50 / pipe thread R2 / oval flange G1½ | — | — |
| Vertical multistage pumps developed for high-temperature media and harsh inlet conditions. The inlet passage is optimised to improve suction performance and reduce cavitation. Pump head in cast iron with stainless-steel wetted parts; PN25 flanges. | ||||||
| CDLF + CDH | High-pressure pump | Cast iron, Stainless steel | Confirm with us | PJE coupling | 1 | — |
| A two-pump arrangement for high pressure: the CDLF pump supplies water and the CDH pump produces the high pressure. Two pumps in series reach up to 48 bar. Typical for reverse-osmosis, ultra-filtration and high-pressure flushing systems. | ||||||
| CDMF + CMH | High-pressure pump | Cast iron, Stainless steel | Tungsten carbide / Carbon | Victaulic DN32, Victaulic DN50 | — | — |
| A two-pump arrangement for high pressure: the CDMF pump feeds the CMH pump, which produces the high pressure. Two pumps in series reach up to 49 bar, with liquid temperatures up to +120 °C. Typical for reverse-osmosis, ultra-filtration and high-pressure flushing systems. | ||||||
| HP | High-pressure pump | Stainless steel | Confirm with us | PJE coupling | — | — |
| VMHP (R/O high-pressure) | High-pressure seawater desalination pump | Confirm with us | Confirm with us | See model dimensions | — | — |
| CHL / CHLK | Horizontal multistage stainless steel centrifugal pump | Stainless steel, Aluminum alloy | Confirm with us | Thread inlet G1, outlet G1, Thread inlet G1¼, outlet G1, Thread inlet G2, outlet G2 | G | CHLK2-20 = CHL2-20; CHLK2-20G = CHL2-20G; CHLK2-30 = CHL2-30 |
| CHLF(T) | Horizontal multistage stainless steel centrifugal pump | Stainless steel, Aluminum alloy | Confirm with us | Thread inlet G1, outlet G1, Thread inlet G1¼, outlet G1, Thread inlet G1½, outlet G1¼, Thread inlet G1½, outlet G1½ | — | CHLFT2-20 = CHLF(T)2-20; CHLFT2-30 = CHLF(T)2-30; CHLFT2-40 = CHLF(T)2-40 |
| The stainless-steel version of the light horizontal range: compact, axial inlet and radial outlet, for light chemical media and pure water where cast iron is not wanted. | ||||||
| CM | Horizontal multistage stainless steel centrifugal pump | Stainless steel | Confirm with us | Thread G1 / G1, Thread Inlet G1¼ / outlet G1, Thread G1½ / G1½, Thread G2 / G2 | — | — |
| Non-self-priming stainless-steel horizontal multistage pumps with a long-shaft motor. Compact, axial inlet and radial outlet, with most parts stamped from stainless steel. Flow-passage material is stainless 304 or 316L; working pressure up to 10 bar. | ||||||
| CHM | Horizontal multistage stainless steel centrifugal pump | Stainless steel | Graphite / Silicon carbide | Thread G1, Thread Inlet G1¼ / outlet G1, Thread G1½, Thread G2 | — | — |
| Non-self-priming horizontal multistage pumps with a compact extended-shaft motor design. The liquid enters axially and leaves radially. The flow passage is stamped and welded stainless steel (304L or 316L), giving high efficiency, low noise, light weight and easy installation and maintenance. | ||||||
| CHME (VFD) | Horizontal multistage stainless steel centrifugal pump | Confirm with us | Confirm with us | Thread inlet / outlet G1 / G1, Thread inlet / outlet G1¼ / G1, Thread inlet / outlet G1½ / G1½ | — | — |
| A complete constant-pressure unit: the pump is supplied with its frequency controller, pressure sensor, five-way check valve, pressure gauge and pressure tank. The controller varies the motor speed between 30 and 60 Hz to hold the set pressure. All flow parts are stainless steel; working pressure up to 10 bar. | ||||||
| TDE (variable-frequency in-line) | Variable-frequency in-line single-stage pump | Cast iron, Cast iron / stainless steel | Carbon / silicon carbide | Flange DN32 (PN16), Flange DN40 (PN16), Flange DN50 (PN16), Flange DN65 (PN16) | — | — |
| TD (in-line circulation) | In-line single-stage circulation pump | Cast iron, Ductile iron, Cast iron / stainless steel, Stainless steel | Carbon / silicon carbide | Flange DN32 (PN16), Flange DN40 (PN16), Flange DN50 (PN16), Flange DN65 (PN16) | — | — |
| MS (50 Hz) | Horizontal single-stage stainless steel centrifugal pump | Stainless steel | Carbon / Silicon carbide | Thread G1¼ inlet / G1 outlet, Thread G1½ inlet / G1¼ outlet, Thread G2 inlet / G1¼ outlet | — | — |
| Compact single-stage centrifugal pump with axial suction and radial discharge, directly coupled to a TEFC motor. Wetted parts are AISI 304 stainless steel (316 on request). For clean water pressurization, water treatment, circulation and irrigation. | ||||||
| MSS (60 Hz) | Horizontal single-stage stainless steel centrifugal pump | Stainless steel | Carbon / Silicon carbide | Thread G1¼ inlet / G1 outlet, Thread G1½ inlet / G1¼ outlet, Thread G2 inlet / G1¼ outlet | — | — |
| The 60 Hz version of the MS series: compact single-stage centrifugal pump with axial suction and radial discharge, AISI 304 stainless steel wetted parts, directly coupled to a TEFC motor. | ||||||
| ZS (stainless horizontal) | Stainless steel horizontal single-stage centrifugal pump | Cast iron, Stainless steel | Carbon / silicon carbide | Flange DN50 inlet / DN32 outlet (PN16), Flange DN65 inlet / DN40 outlet (PN16), Flange DN65 inlet / DN50 outlet (PN16), Flange DN80 inlet / DN65 outlet (PN16) | — | ZS50-32-160/6 1.1 = ZS50-32-160/1.1; ZS50-32-160/6 1.5 = ZS50-32-160/1.5; ZS50-32-160/6 2.2 = ZS50-32-160/2.2 |
| End-suction pumps with pressed and welded stainless steel flow parts, a stub shaft and a standard TEFC motor in direct connection, on a base plate. They replace traditional IS and cast corrosion-proof pumps for water supply, boiler feed, cooling, water treatment and light acid and alkali duty. | ||||||
| NSC (double-suction split casing) | Single-stage double-suction split-casing centrifugal pump | Cast iron, Cast iron / stainless steel, Alloy steel, Stainless steel | Confirm with us | Flange DN125 inlet / DN80 outlet, Flange DN150 inlet / DN100 outlet, Flange DN150 inlet / DN125 outlet, Flange DN200 inlet / DN125 outlet | — | — |
| CH (seawater lift) | Horizontal seawater lift pump | Confirm with us | Confirm with us | See model dimensions | — | — |
| Horizontal pumps that boost seawater pressure in a pressure-exchange energy recovery system and feed the R/O membranes. Duplex and super austenitic stainless steel wet parts, seawater-resistant seals, compact TEFC motor drive. | ||||||
| LLT (coaxial) | Vertical cooling-tower circulation pump | Cast iron HT200, Stainless steel ZG07Cr19Ni9 | SC/TC | Flange DN65 PN10 (GB/T17241.6 RF), Flange DN80 PN10 (GB/T17241.6 RF), Flange DN100 PN10 (GB/T17241.6 RF), Flange DN125 PN10 (GB/T17241.6 RF) | — | — |
| Single-stage, single-suction, non-self-priming vertical pumps with horizontal inlet and outlet, built for large flow at low head. The pump shaft and motor shaft are coaxial, giving a small footprint and light weight. Impeller and pump shaft are stainless steel; the pump body and head are resin-sand cast iron HT200 with a smooth finish. | ||||||
| LLTS (extended shaft) | Vertical cooling-tower circulation pump | Cast iron HT200, Stainless steel ZG07Cr19Ni9, Stainless steel 20Cr13 | SC/TC | Flange DN65 PN10 (GB/T17241.6 RF), Flange DN80 PN10 (GB/T17241.6 RF), Flange DN100 PN10 (GB/T17241.6 RF), Flange DN125 PN10 (GB/T17241.6 RF) | — | — |
| Same hydraulics as LLT but with a direct-connected extended-shaft structure: the pump shaft (20Cr13 stainless) is coupled to the motor, so the mechanical seal and impeller can be serviced without moving the motor. LLTS200 (350 and 400 m³/h) is available only in this structure. | ||||||
| WLT (horizontal cooling tower) | Horizontal cooling-tower pump | Cast iron HT200, Stainless steel ZG07Cr19Ni9 | Silicon carbide / tungsten carbide | Flange DN65, Flange DN80, Flange DN100, Flange DN125 | — | — |
| Single-stage, single-suction, non-self-priming horizontal pumps with axial suction and radial discharge, designed for large flow at low head. Pump shaft and motor shaft are one coaxial shaft, giving a small footprint and light weight. Impeller and shaft are stainless steel; casing and pump head are resin-sand cast iron HT200. | ||||||
| WLTS (horizontal, extended shaft) | Horizontal cooling-tower pump | Cast iron HT200, Stainless steel ZG07Cr19Ni9, Stainless steel 20Cr13 | Silicon carbide / tungsten carbide | Flange DN65, Flange DN80, Flange DN100, Flange DN125 | — | — |
| WLTSF (horizontal, stainless flow parts) | Horizontal cooling-tower pump | Stainless steel ZG07Cr19Ni9, Cast iron HT200, Stainless steel 20Cr13 | Silicon carbide / tungsten carbide | Flange DN65, Flange DN80, Flange DN100, Flange DN125 | — | — |
| As WLTS with a precision-cast stainless steel casing and pump cover, giving a smoother flow passage and better corrosion resistance. 50 Hz only. | ||||||
| PQ (submersible multistage) | Submersible multistage stainless steel pump | Stainless steel, Graphite | Confirm with us | Thread Rp1¼, Thread Rp1½, Thread Rp2, Thread Rp2½ | 2, 1, 2B, 2A, A, A-B, B | — |
| Stainless steel submersible multistage pumps for clean water, driven by a submersible motor on a NEMA interface. Used for fountains, water supply from wells and tanks, pressure boosting and irrigation. The number of stages sets the head; one size covers a wide pressure range. | ||||||
| SJ (deep-well submersible) | Deep-well submersible multistage stainless steel pump | Stainless steel, Carbon | Confirm with us | Thread Rp1¼, Thread Rp1½, Thread Rp2, Thread Rp2½ | 2, 1, 2B, 2A, A, A-B, B | — |
| Stainless steel deep-well submersible multistage pumps for clean, thin, non-corrosive water, with NEMA-interface submersible motors. Used for water supply, irrigation, lowering ground water level and boosting. Stage count sets the head. | ||||||
| SP (self-priming sewage) | Non-clogging self-priming sewage pump | Cast iron, DCI (ductile cast iron) or cast steel, Stainless steel | WC / WC | Flange DN50, PN0.6MPa / Class 150 lb, Flange DN80, PN0.6MPa / Class 150 lb, Flange DN100, PN1.0MPa / Class 150 lb, Flange DN150, PN1.0MPa / Class 150 lb | — | — |
| NSZ (pool, horizontal) | Swimming-pool circulation pump | Stainless steel AISI 304 | Graphite / ceramic | Flange (NSZ) or union joint (metric GB or inch ANSI) | — | — |
| NSA (pool, plastic) | Swimming-pool circulation pump | Aluminium (08F rimmed steel on 60 Hz synchronous motors) | Graphite / ceramic (or silicon carbide) | Union joint, metric (GB) or inch (ANSI) | — | — |
| NSC (pool, cast iron) | Swimming-pool circulation pump | Aluminium (08F rimmed steel on 60 Hz synchronous motors) | Graphite / ceramic (or silicon carbide) | Union joint, metric (GB) or inch (ANSI) | — | — |
| NSW (pool, stainless) | Swimming-pool circulation pump | Aluminium (08F rimmed steel on 60 Hz synchronous motors) | Graphite / ceramic (or silicon carbide) | Union joint, metric (GB) or inch (ANSI) | — | — |
| Stainless-steel swimming-pool circulation pumps for pools and water features where better corrosion resistance is wanted, including salt-water and spa use. Choose the model by pool volume and the head of your filter and pipework. | ||||||
| NSE (pool) | Swimming-pool circulation pump | Aluminium (08F rimmed steel on 60 Hz synchronous motors) | Graphite / ceramic (or silicon carbide) | Union joint, metric (GB) or inch (ANSI) | — | — |
| NSM (pool) | Swimming-pool circulation pump | Aluminium (08F rimmed steel on 60 Hz synchronous motors) | Graphite / ceramic (or silicon carbide) | Union joint, metric (GB) or inch (ANSI) | — | — |
| QF | Submersible drainage / utility | Confirm with us | Confirm with us | — | 220, 220/380 | — |
| WQ(I) | Submersible sewage pump | Confirm with us | Confirm with us | — | 380, 220 | — |
| WQ-JY(I) | Submersible sewage pump | Confirm with us | Confirm with us | — | 380 | — |
| WQ-QG(I) | Submersible sewage pump | Confirm with us | Confirm with us | — | 380 | — |
| WQ-W(I) | Submersible sewage pump | Confirm with us | Confirm with us | — | 380 | — |
| WQ-X(I) | Submersible sewage pump | Confirm with us | Confirm with us | — | — | — |
| WQ-H(I) | Submersible sewage pump | Confirm with us | Confirm with us | — | 380 | — |
| WQ | Submersible sewage pump | Confirm with us | Confirm with us | — | — | — |
| WQ-F | Submersible sewage pump | Confirm with us | Confirm with us | — | 380/220, 380 | — |
| WQ(I) 60 Hz | Submersible sewage pump | Confirm with us | Confirm with us | — | 380 | — |
| QZB axial-flow | Axial / mixed-flow submersible pump | Confirm with us | Confirm with us | — | — | — |
| QHB mixed-flow | Axial / mixed-flow submersible pump | Confirm with us | Confirm with us | — | — | — |
| NIS / NISF *G, *(Q) | End-suction centrifugal pump | Confirm with us | Confirm with us | — | — | — |
| NISO / NIS / NISF | End-suction centrifugal pump | Confirm with us | Confirm with us | — | — | — |
| NIH chemical | Chemical process pump | Confirm with us | Confirm with us | — | — | — |
| SZ fluoroplastic | Chemical process pump | Confirm with us | Confirm with us | — | 220/380 V, 3×380 V | — |
| ZW self-priming | Self-priming sewage pump | Confirm with us | Confirm with us | — | 3×380 V | — |
| Pool filters | Pool filter / accessory | Confirm with us | Confirm with us | — | — | — |
| GW / GS series | Mechanical diaphragm | Confirm with us | Confirm with us | — | — | — |
| GD series | Mechanical diaphragm | Confirm with us | Confirm with us | — | — | — |
| GM / GB series | Mechanical diaphragm | Confirm with us | Confirm with us | — | — | — |
| GX / 2GX series | Mechanical diaphragm | Confirm with us | Confirm with us | — | — | — |
| CK series | Electromagnetic diaphragm | Confirm with us | Confirm with us | — | — | — |
| FROY series | Hydraulic diaphragm | Confirm with us | Confirm with us | — | — | — |
| RX series | Hydraulic diaphragm | Confirm with us | Confirm with us | — | — | — |
| RZ series | Hydraulic diaphragm | Confirm with us | Confirm with us | — | — | — |
| JMM series | Hydraulic diaphragm | Confirm with us | Confirm with us | — | — | — |
| JMX series | Hydraulic diaphragm | Confirm with us | Confirm with us | — | — | — |
| JMZ series | Hydraulic diaphragm | Confirm with us | Confirm with us | — | — | — |
| JMD series | Hydraulic diaphragm | Confirm with us | Confirm with us | — | — | — |
| JW series | Plunger | Confirm with us | Confirm with us | — | — | — |
| JWL series | Plunger | Confirm with us | Confirm with us | — | — | — |
| JWB series | Plunger | Confirm with us | Confirm with us | — | — | — |