WILO Industrial Centrifugal Pumps, Circulation Units, and Pump Systems

Factory-direct international export supply of authentic WILO centrifugal pumps, pressure boosting skids, and factory replacement parts.

Wilo-Stratos MAXO and Stratos PICO Smart Electronic Circulation Pumps

High-efficiency smart glandless circulation pumps across Wilo-Stratos MAXO and Stratos PICO series deliver automated fluid circulation across heating, cooling, and air-conditioning systems in industrial plants, multi-dwelling residential buildings, and modern commercial complexes.

Combining an electronically commutated permanent-magnet synchronous motor (EC technology) with an outstanding energy efficiency index EEI ≤ 0.20, Stratos MAXO drastically cuts electrical consumption.

Cutting-edge dynamic control algorithms—including Dynamic Adapt plus and Multi-Flow Adaptation—autonomously track system hydraulic demands without necessitating external delta-P transmitters.

With an intuitive Wilo-Green-Button graphical display, integrated Bluetooth connectivity, and native Modbus TCP/RTU, BACnet MS/TP, and LON interface options, Stratos units offer plug-and-play integration into Building Management Systems (BMS).

Maximized energy performance: compliant with stringent EEI ≤ 0.20 thresholds featuring continuous electronic speed regulation
Adaptive hydraulic automation: Dynamic Adapt plus, constant differential pressure Δp-c, and proportional differential pressure Δp-v
Versatile installation standards: screwed port couplings from Rp 1/2 to Rp 1 1/4 and flange standards DN 32 to DN 100 rated up to PN 16
Comprehensive BMS connectivity: native digital protocols including Modbus TCP/RTU, BACnet MS/TP, LON, and integrated Bluetooth pairing

Wilo-TOP-S and Wilo-Yonos MAXO Standard Industrial Circulation Pumps

Wilo-TOP-S and Wilo-Yonos MAXO series glandless industrial circulation pumps stand as the industry benchmark across boiler houses, central district heating substations, domestic hot water distribution, and plant cooling circuits.

The proven TOP-S portfolio—encompassing widely deployed models such as TOP-S 25/7, TOP-S 40/15, and TOP-S 50/4 DM—features manual 3-step speed switching, whereas Yonos MAXO models deliver continuously modulated electronic pressure compensation.

Grey iron housings in EN-GJL-200 grade receive a durable electro-osmotic cataphoretic coating to counteract oxidation, glass-fiber-reinforced PPE/PS composite impellers ensure smooth hydraulic flow, and precision stainless steel shafts glide silently in media-lubricated ceramic-graphite sleeve

bearings.

Rugged fluid temperature endurance: rated from -20°C up to +130°C across system design pressures up to 16 bar (PN 16)
Standardized pipe diameters: threaded connections DN 25/DN 30 alongside flanged couplings spanning DN 40, DN 50, DN 65, DN 80, and DN 100
Corrosion-resistant construction: electrophoretic coating on grey-iron housings and glass-filled composite impellers
Safe electrical integration: Wilo Protect modular monitoring with collective fault signaling (SSM) dry contacts

Wilo-Helix V and Helix FIRST V Vertical Multistage High-Pressure Pumps

Wilo-Helix V, Helix FIRST V, and Helix EXCEL vertical multistage centrifugal pumps are purpose-engineered for booster pump skids, industrial water distribution, boiler feed systems, reverse osmosis filtration, and commercial firefighting installations.

All hydraulic components—including suction/discharge housings, stage chambers, and laser-welded 2D/3D impellers—are precision-fabricated from AISI 304 (1.4301) or acid-resistant AISI 316L (1.4404) stainless steel grades.

Power is supplied by standard IEC asynchronous electric motors adhering to premium efficiency classes IE3/IE4, as well as ultra-efficient IE5 synchronous motor variants up to 45 kW.

An ingenious spacer coupling design permits rapid on-site replacement of cartridge-type mechanical shaft seals within minutes without lifting or unseating the heavy motor frame.

High-head hydraulic delivery: total dynamic heads up to 250 meters and volumetric flow rates reaching 100 m³/h under pressures up to PN 30
Full stainless steel wetted path: precision laser-welded AISI 304 and AISI 316L metallurgy handling pure and chemical fluids
Quick-change cartridge seal: modular X-Seal cartridge mechanical seal allows seal replacement without decoupling the motor
Premium IE3/IE4/IE5 motorization: driven by high-efficiency IEC standard electric motors or integrated speed-controlled drives

Wilo-VeroLine-IPL and CronoLine-IL Dry-Rotor In-Line Centrifugal Pumps

Single-stage glanded in-line centrifugal pumps across Wilo-VeroLine-IPL and CronoLine-IL series are engineered for efficient circulation of clear cooling water, heating fluids, and industrial process liquids free of abrasive grit.

Their inline pipeline configuration—with suction and discharge ports aligned along a single horizontal axis—allows direct, space-saving mounting into straight pipeline segments or onto rigid equipment baseplates.

VeroLine-IPL models (such as IPL 32/135, IPL 50/160, and IPL 65/130) feature a rigid close-coupled monobloc construction, whereas CronoLine-IL units employ a robust lantern bracket supporting a separate bearing spindle connected to standard IEC flange motors (B5/V1).

Streamlined in-line piping geometry: co-axial flanged connections from DN 32 to DN 250 simplifying technical room layout
Reliable mechanical shaft sealing: single-acting bi-directional mechanical seal featuring silicon carbide SiC/SiC/EPDM face pairs
Heavy-duty operating envelopes: rated for system pressures up to 16 bar and liquid temperatures ranging from -20°C to +140°C
Flexible drive configurations: available in 2-pole (2900 rpm) and 4-pole (1450 rpm) executions compatible with variable speed drives

Wilo-MHI and Medana CH1-L Horizontal Stainless Steel Multistage Pumps

Wilo-MHI (including prominent models MHI 205, MHI 402, MHI 803, and MHI 1602) alongside the modern Medana CH1-L series represent compact, high-pressure horizontal multistage centrifugal pump solutions designed for industrial cooling towers, parts washing systems, coolant fluid transfer, boiler water

feed, and municipal pressure boosting. Every component in contact with the pumped fluid—including stage chambers, radial impellers, intermediate diffusers, and driveshafts—is precision-manufactured from deep-drawn 1.4301 (AISI 304) chrome-nickel stainless steel.

Celebrated for exceptionally low operational acoustic signatures, high cavitation resistance, and drinking-water hygiene certification (WRAS, ACS, KTW), MHI pumps provide durable process fluid delivery.

High pressure in a compact footprint: discharge heads up to 88 meters with volumetric flow rates up to 25 m³/h in close-coupled design
Certified stainless steel metallurgy: fluid-wetted passages crafted in AISI 304 grade holding international drinking water approvals
Extensive process temperature rating: reliable circulation across process fluids and thermal media from -15°C up to +110°C
Whisper-quiet acoustic profile: hydrodynamically optimized multi-chamber diffusers permitting installation adjacent to work cells

Wilo-Rexa FIT/PRO and Wilo-Drain TM/TS Submersible Drainage and Sewage Pumps

Wilo-Rexa FIT, Rexa PRO, Drain TM, and Drain TS series submersible wastewater pumps are engineered for demanding municipal sewage transfer, industrial effluent drainage, pit dewatering, and flood evacuation handling abrasive solids and stringy fibrous waste.

Drain TM 32/7 and TMW units integrate the proprietary Twister vortex churning system, keeping sump bottoms clear of settling sludge deposits.

Heavy-duty Rexa PRO sewage units feature robust grey iron wet ends equipped with non-clogging Vortex impellers offering free ball passages up to 80 mm or hardened stainless steel radial shredder cutters.

Submersible IP68 electric motors are safeguarded by dual mechanical shaft seals (SiC/SiC faces) operating in an intermediate dielectric oil buffer chamber, available with full ATEX Ex d IIB T4 explosion protection.

Unrestricted solids handling: non-clog Vortex impellers and heavy-duty cutting macerators preventing blockages in raw sewage
Dual mechanical seal barrier: oil-filled isolation chamber housing twin silicon carbide (SiC/SiC) mechanical seal assemblies
Certified ATEX explosion protection: safety compliance for hazardous gas atmospheres in industrial pump stations and sumps
Self-cleaning Twister technology: continuous sump agitation eliminating stagnant sludge deposits around pump suction

Wilo-Actun FIRST SPU4 and Sub TWI 4 Deep Well Submersible Borehole Pumps

Wilo-Actun FIRST SPU4 and Sub TWI 4 series 4-inch (DN 100) multistage submersible borehole pumps deliver high-volume raw water extraction from deep artesian wells, underground aquifers, and reservoir intake structures for municipal waterworks, agricultural irrigation, and industrial processing

utilities.

Built with an all-stainless steel AISI 304 outer jacket, driveshaft, and suction intake screen, these hydraulic units employ floating radial impellers molded from precision engineered Noryl (GFN2), exhibiting superior resilience against sand erosion at impurity concentrations up to 150 g/m³.

The pump hydraulics directly couple to 4-inch oil-filled or water-lubricated submersible electric motors complying with NEMA standards, allowing economical rewinding and field maintenance.

Deep aquifer lifting heads: generating dynamic heads up to 350 meters and flow capacities to 24 m³/h at immersion depths to 200 m
Abrasion-resistant floating impellers: engineered Noryl polymer impellers tolerating sand concentrations up to 150 g/m³
Integrated check valve protection: heavy-duty stainless steel non-return spring valve mitigating hydraulic water hammer shocks
Universal 4" NEMA flange standard: direct mechanical spline coupling with standard Franklin Electric and Wilo submersible motors

Genuine Wilo Spare Parts, Mechanical Seals, and Overhaul Maintenance Kits

SpareX provides dependable global export supply of factory-original Wilo replacement components and preventive maintenance kits for scheduled pump servicing and plant overhauls.

We supply genuine cartridge-type mechanical shaft seals (including AQ1EGG, Q1Q1VGG, and Burgmann MG1/M7N variants), stainless steel and bronze impellers, neck rings, SKF/FAG industrial bearings, can-shielded motor stators/rotors, IF-Module Stratos automation communication boards (Modbus, BACnet,

LON, CANopen), differential pressure transmitters DDG, and complete sets of precision-molded EPDM/FKM O-rings designed to maintain factory hydraulic tolerances.

Precision mechanical cartridge seals: original SiC/SiC and Carbon/SiC wear faces (AQ1EGG, Q1Q1VGG) across all Wilo pump lines
Stainless steel hydraulic assemblies: laser-welded impellers, stage chambers, diffusers, and pump shafts in AISI 304/316L metallurgy
Control modules and automation sensors: IF-Module communication cards, DDG differential pressure sensors, and Protect modules
Comprehensive overhaul kits: complete elastomeric O-ring gasket sets, thrust bearings, and factory fasteners for rapid overhaul

Hydraulic Principles and Energy Efficiency Optimization in WILO Pumping Systems

Originating in 1872 in Dortmund, Germany, Wilo SE pioneered foundational technological advances in centrifugal fluid dynamics and automated building services.

Wilo historical patenting of the world first circulation accelerator in 1928 transformed mechanical heating design worldwide, establishing standards that modern HVAC systems continue to expand upon.

Modern Wilo hydraulic design synthesizes advanced 3D computational fluid dynamics (CFD) simulation, precision-formed diffuser hydraulics, and laser-welded stainless steel impellers.

Under fluctuating building demand profiles, variable-speed pumping yields compliance with European EcoDesign (ErP) regulations, driving the Energy Efficiency Index (EEI) down to ≤ 0.20 on high-efficiency circulators.

Accurate duty point matching along system head-flow (Q-H) curves prevents cavitation damage, reduces hydraulic vibration against bearings, and sustains hydraulic peak efficiencies exceeding 80% across wide duty envelopes, fundamentally decreasing total life-cycle costs across industrial plant

facilities.

Intelligent Permanent-Magnet EC Motor Drives and Automated Building Control Connectivity

Flagship Wilo product families—prominently the smart glandless Stratos MAXO and the multistage Helix EXCEL series—integrate electronically commutated synchronous motors (EC motor technology) powered by permanent-magnet rotors.

Integrated onboard frequency converters continuously modulate input stator frequencies, eliminating the rotor slip losses characteristic of conventional induction motors.

Embedded microprocessors execute autonomous self-optimizing hydraulic algorithms—such as Dynamic Adapt plus, constant differential pressure (Δp-c), proportional differential pressure (Δp-v), and constant fluid temperature tracking—adjusting output delivery without requiring external field

transducers.

For seamless connectivity into plant supervisory control and data acquisition (SCADA) networks and Building Management Systems (BMS), Wilo pumps integrate plug-in IF-Modules and native bus communication protocols including Modbus TCP/RTU, BACnet MS/TP, LON, CANopen, alongside integrated Bluetooth

for local technician commissioning.

Structural Metallurgy and Modular Quick-Service Engineering in Helix V Pumps

Wilo-Helix V and Helix FIRST V vertical multistage centrifugal pumps are purpose-engineered for continuous high-pressure duty across municipal booster stations, industrial cooling circuits, high-pressure boiler feed units, and industrial reverse osmosis desalination skids.

Every fluid-wetted section—including in-line suction and discharge headers, stage chambers, guide vanes, and laser-welded 2D/3D impellers—is manufactured from high-purity austenitic stainless steel AISI 304 (1.4301) or molybdenum-alloyed AISI 316L (1.4404) with mirror-smooth surface finishes to

minimize hydraulic boundary-layer friction.

A pivotal engineering innovation across the Helix architecture is the modular spacer coupling.

This allows maintenance technicians to perform complete on-site replacements of cartridge-style mechanical shaft seals (X-Seal) without disconnecting, hoisting, or re-aligning the heavy top-mounted IEC drive motor (up to 45 kW), condensing service downtime to under 20 minutes.

Mechanical Shaft Seal Resilience and Comprehensive Preventive Maintenance Regimens

The continuous operational availability of dry-rotor in-line centrifugal pumps across VeroLine-IPL, CronoLine-IL, and CronoNorm-NL series relies directly upon dynamic shaft seal integrity.

Wilo pumps utilize factory-engineered single and double cartridge mechanical seals with premium friction face combinations such as AQ1EGG (silicon carbide against carbon graphite with EPDM elastomeric boots) and Q1Q1VGG (solid sintered silicon carbide against silicon carbide with FKM fluorocarbon

elastomers).

Solid pressureless sintered silicon carbide (SiC) seal rings deliver exceptional micro-hardness, chemical inertness, and wear resistance, preventing boundary-layer grooving when handling abrasive micro-suspended particles, glycol solutions, and hot thermal fluids up to +140°C.

Routine maintenance protocols encompass systematic acoustic and vibration monitoring of motor bearings, debris clearance from pump suction strainers, and timely renewal of elastomeric O-rings and seal assemblies using genuine Wilo maintenance overhaul kits.

Turnkey Global B2B Export Supply of Genuine WILO Pumps and Certified Spares

Equipguo provides dependable international export supply of authentic Wilo commercial pumps, pressure booster systems, smart circulators, and factory-certified replacement parts for industrial contractors, engineering utilities, and water infrastructure operators worldwide.

Our mechanical engineering team performs strict technical validation against original pump nameplates, serial numbers, duty requirements (design flow rate Q and total dynamic head H), and pipeline connection standards to ensure seamless field replacement and hydraulic parity.

We offer multi-currency payment terms, rigorous export packaging, compliant customs documentation, and dependable multimodal air and sea logistics delivered directly to customer industrial sites globally.

Equipment pricing, delivery schedules, and minimum order quantities for WILO pumps are quoted upon specific commercial inquiry; open price lists are not published.