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Pump solutions for wastewater treatment plants

Pump Solutions For
WWTP Systems

AODD influent intake (Sandpiper), aeration blower (Robuschi · Aerzen), RAS/WAS sludge pump (Nova Rotors), polymer/FeCl₃/pH dosing (Doseuro) — one supplier, one standard.

1 Inlet 2 Aeration 3 RAS/WAS sludge 4 Dosing 5 pH neutralization
WWTP design consultation — 0941.400.488 View solutions →
Giải pháp bơm xử lý nước thải WWTP — TKT Pumps
−40% Electric aeration
Robox Energy
30% DS sludge
Nova HS
19mm Solids
Sandpiper
API 675 Dosing
Doseuro
Representative industries
EPC XLNT Centralized industrial zones Textile & dyeing F&B Paper
Related solutions
Clean water supply → Sludge & solids pump → Chemical dosing → 24/7 operation →
Common issues · WWTP operations

4 pain points causing WWTP cost overruns · QCVN non-compliance

Wrong pump selection for each process stage — aeration consuming excessive power, sludge clogging, inaccurate dosing, inappropriate ATEX — causes wastewater treatment plants to operate at high cost, with environmental penalty risks and continuous process shutdowns.

Issue 01

Aeration consumes 50–60% of total plant electricity

The aeration blower is the highest electricity-consuming equipment in the WWTP — accounting for 50–60% of total electricity consumption. Legacy blowers (single-lobe, no turndown) run full-load 24/7 despite BOD load fluctuations day/night. No VFD, no lobe-or-screw selection based on operating point.

Aeration · BOD removal Aerobic tank
Impact: electricity bills 30–40% higher compared to Robox Energy lobe-or-screw configuration
Issue 02

High-DS sludge centrifugal pumps cannot handle

Excess sludge from settling tanks has DS 3–8% — conventional centrifugal pumps impeller clogging, corrosion (floc breakage) damaging microorganisms + rapid impeller wear. Sludge DS 20–30% post-dewatering = centrifugal pump not feasible. Biogas tank ATEX requires explosion classification spec.

RAS · WAS Thick sludge transfer
Impact: quarterly impeller replacement, continuous sludge treatment system downtime
Issue 03

Inaccurate polymer/FeCl₃ dosing

Poor metering pumps (error > ±5%) cause polymer/FeCl₃ dosing fluctuating between over and under — poor sludge settling, COD exceeding threshold, or 20–30% excess chemical consumption. No double-diaphragm leak detection, non-API 675, unsuitable for corrosive chemicals (NaOH, H₂SO₄, hypochlorite).

Polymer · FeCl₃ pH adjustment
Impact: COD/SS exceedance, risk of QCVN 40 penalty, unstable effluent
Issue 04

Biogas sludge pump lacking ATEX certification

UASB anaerobic tank, anaerobic digester, biogas tank — environment with explosion risk (Zone 1/2). Non-ATEX sludge pumps = fire and explosion safety violation, failing PCCC/EPC inspection. Many projects have had to replace pumps after inspectors identified missing certification.

Biogas · Anaerobic ATEX Zone 1/2
Impact: failed inspection, fire and explosion risk, costly equipment replacement
Facing one of these 4 issues? Let TKT survey your current system.
Free consultation from WWTP engineers — pump configuration recommendations for each specific process stage.
Free site survey — 0941.400.488
Solution consultation · 5 WWTP process stages

From raw influent to QCVN 40 — 5 process stages · 8 EU/USA brands

TKT provides accurate pump configuration consultation for each WWTP process stage — not a catalog, but rather engineering pump selection based on actual operating points: flow rate, pressure, DS%, ATEX, chemical material. Including recommended model + datasheet source link.

1 Inlet → 2 Aeration → 3 Sludge → 4 Dosing → 5 Mag drive
🎨 Design preview mode This is a layout draft for user review. All image placeholders + logo slots use dashed border + inline design brief. When the user approves the design → asset designer fills in actual images + logo PNG → deploy to WP.
01
Stage 1 · Influent intake

Intake & Lift station — Vortex submersible pump & clog-resistant AODD

Raw influent + collection sump — where solids, debris, and grease clog conventional pumps within 2–4 weeks.

3 brands · 4 model
Công đoạn 1 — Influent intake · Lift station submersible
Common issues

Raw influent contains debris, fibres, grease, sand. Conventional pumps suffer impeller clogging within 2–4 weeks, seal failure from dry-running, motor burnout at low water levels. Lift station load varies 3–5 times/day — fixed-speed pumps are unsuitable.

TKT consultation

TKT selects 3-tier solutions depending on influent load: Sandpiper AODD for small chemical-rich sumps + run-dry safe; Salvatore Robuschi TS for medium lift stations, with waste-cutting impeller; Caprari K Series sewage pump for large industrial zones, high efficiency.

Strategic brand
Sandpiper
Salvatore Robuschi
Caprari
Recommended model
Caprari · IT K+Energy DryWet Patent · IE3 · Class H Caprari International Patent — 1 unit operates in both wet pit and dry pit.
Salvatore R. · IT RC Vortex Free passage 150mm Recessed impeller (ISO 2858/5199), solids up to 110mm, ATEX cat 2/3.
Sandpiper · US S30 Metal 1,078 L/min AODD solids ≤19mm, run-dry safe, ESADS+ −56% air.
Applications
Lift station KCN Raw influent sump Sump pit Textile & dyeing F&B BOD cao
Submersible pump → Caprari →
02
Stage 2 · Aerobic · Aerzen Turbo focus

Aerzen Turbo G5/G5+ — German technology turbo air blower for aerobic tanks

Non-contact air-foil bearing · >80,000h maintenance-free · PM motor + inverter · Class 0 oil-free TÜV. Saves 30–40% aeration electricity compared to conventional Roots blower, ROI < 2 years.

Aerzen Turbo · 4 model
Công đoạn 2 — Aerobic biological · Roots/Screw/Turbo blower
Why choose Aerzen Turbo?

The aerobic tank consumes 50–70% of total WWTP plant electricity. Aerzen Turbo uses non-contact air-foil bearing + permanent magnet motor + multilevel frequency inverter — no oil, no gearbox, no mechanical maintenance. Compared to traditional fixed-speed Roots blower, Aerzen Turbo self-adjusts to actual DO demand in the tank, achieving deep energy savings at every operating point.

Aerzen Turbo G5/G5+ advantages

Aerzen Turbo is a premium turbo air blower series by Aerzener Maschinenfabrik (Germany, since 1864):

· Air-foil bearing maintenance-free >80.000h — no mechanical bearings, no oil changes required, no vibration;
· Permanent Magnet Motor + multilevel inverter — motor efficiency >96%, responds to variable load in real-time;
· Oil-free Class 0 (ISO 8573-1) — TÜV Rheinland LGA certified, safe for aerobic tanks;
· Performance³ concept — combined Turbo + Delta Hybrid + Delta Blower across load ranges, saving 30% electricity;
· AERsmart master control — autopilot for up to 12 units, additional savings 15%;
· Heat recovery 85% heat from electrical input — utilized for sludge drying / operator building heating;
· ROI < 2 years — verified at Anjar WWTP (India, 4x AT200 0.8S, 30,000 m³/day: 25% electricity saving + 35% footprint reduction).

2 Aerzen Turbo ranges · 1 backup option
Aerzen
Robuschi
Aerzen Turbo range + TKT warehouse backup
Aerzen · DE · Star Aerzen Turbo AT G5+ 360 – 8,400 m³/h · 1,000 mbar Plug & play turbo for low–medium flow range. Air-foil bearing, PM motor + inverter, Class 0 oil-free. Small–medium capacity WWTP, lift station aeration.
Aerzen · DE · Star Aerzen Turbo AT G5 3,000 – 16,200 m³/h · 1,000 mbar Mid–high range for municipal WWTP / large industrial zones. Maintenance-free >80,000h. ROI < 2 years. Verified Anjar 4x AT200 = 25% saving.
Aerzen · DE · Companion Delta Hybrid Rotary lobe + Screw · −30% Complementing Turbo in Performance³ — base-load runs Hybrid, peak-load activates Turbo, AERsmart coordinates up to 12 units.
Robuschi · IT · In stock RBS series ≤ 25,000 m³/h · 1 barG Roots PD blower LOW PULSE patent <2% pulsation for standard projects. TKT stocks RBS 65–166 for rapid replacement.
Aerzen Turbo applications in WWTP
Aerobic tank MBBR · MBR SBR Fine bubble diffuser Nitrification · Denitrification Sludge digester aerobic Channel aeration
Turbo air blower → Aerzen →
03
Stage 3 · Sludge handling

RAS/WAS sludge pump — Progressive cavity pump for thick sludge 30% DS

Thick sludge causes centrifugal pumps to fail within weeks. PC pump is the only feasible option for DS > 5%.

1 brand · 3 series
Công đoạn 3 — Sludge handling · Progressive cavity pump
Common issues

Centrifugal pumps handling sludge DS > 5% suffer shear sludge floc (floc breakage) damaging microorganisms + rapid impeller wear. Sludge DS 20–30% post-dewatering = centrifugal pump not feasible. Biogas tank ATEX requires explosion classification spec.

TKT consultation

Nova Rotors PC pump — gold standard for WWTP sludge: DN/DH series for dilute RAS/WAS 2–8% DS, DHS open hopper for thick sludge 18–28% after decanter centrifuge / belt press, MN dosing for accurate dosing. Full series ATEX Zone 1/2 cho biogas digester.

Strategic brand
Nova Rotors
Recommended model
Nova Rotors · IT DN / JN Flanged ≤ 420 m³/h · 48 bar Industrial PC pump (Diamond Series, patent pin joint) cho RAS/WAS.
Nova Rotors · IT DH Open Hopper Solids 18-28% (DH/DHS) Hydraulic auger feed screw for thick sludge, ATEX-ready biogas.
Applications
RAS · WAS Settling tank excess sludge Sludge press feed Biogas digester UASB anaerobic
Screw pump → Nova Rotors →
04
Stage 4 · Chemical dosing

Dosing & pH control — Doseuro API 675 full-range

Incorrect polymer dose = no floc formation. Wrong pH = microorganism death. Dosing requires accuracy ±1%.

1 brand · 5 series
Công đoạn 4 — Chemical dosing · Doseuro API 675
Common issues

Dosing pump low-grade accuracy ±5–10% causes inaccurate FeCl₃/polymer dosing → no floc formation, reduced coagulation tank efficiency. Corrosive chemicals (H₂SO₄, NaOH, hypochlorite) damage the wet-end and diaphragm within 6 months.

TKT consultation

Doseuro full-range 5 series — D mechanical for simple chemicals, B/BR hydraulic sealed for corrosive applications, PDP/SDI to API 675 standard ±1% for demanding industrial applications, A piston for high pressure. PVDF/PTFE wet-end for all WWTP chemical types.

Strategic brand
Doseuro
Recommended model
Doseuro · IT PDP / SDI ≤ 3,800 L/h · API 675 Oil & gas standard ±1% — hypochlorite, FeCl₃, pH adjustment.
Doseuro · IT B / BR Hydraulic ≤ 1,068 L/h · sealed Hydraulic diaphragm sealed for heavily corrosive chemicals.
Doseuro · IT D Mechanical ≤ 574 L/h · PVDF Mechanical diaphragm — low cost for mild chemicals.
Applications
Polymer prep FeCl₃ coagulation pH neutralization NaOH/H₂SO₄ Hypochlorite disinfection Anti-foam
Metering pump → Doseuro →
05
Stage 5 · Sealless transfer

Mag drive sealless & drum — Finish Thompson sealless zero leak

Sealed pump chemical leakage = environmental incident + periodic seal replacement cost.

1 brand · 4 series
Công đoạn 5 — Sealless transfer · Finish Thompson mag drive
Common issues

Mechanical seal pump for corrosive chemicals leaks within 3–6 months → chemical loss, floor contamination, high seal replacement cost. ATEX for dosing areas with classified zones requires fully sealless design. Manual 200L drum transfer is slow and hazardous.

TKT consultation

Finish Thompson Mag Drive — sealless, zero leak. DB Series for recirculation flooded suction, SP Self-Priming gooseneck lift 7.6m, SP Series end-suction, DB Drum for unloading NaOH/FeCl₃ drums. Wet-end ETFE/PVDF corrosion-resistant, ATEX option for classified zones.

Strategic brand
Finish Thompson
Recommended model
Finish Thompson · US DB Series 90 psi · η up to 70% Mag-drive sealless flooded suction, PP 82°C / PVDF 104°C, ATEX option.
Finish Thompson · US SP Self-Priming Lift up to 7.6m · sealless Self-priming mag-drive, gooseneck eliminate check valve, prime 18ft/90s.
Finish Thompson · US UC ANSI ANSI heavy-duty Mag-drive ANSI dimensional for heavy-duty service, 5-year warranty.
Finish Thompson · US Drum Pump Portable · phuy 200L Transfer chemicals from 200L drums to dosing tank — PP/PVDF.
Applications
Chemical recirculation in mixing tank Drum unload 200L ATEX zone Sealless transfer Chemical filtration
Magnetic drive pump → Finish Thompson →
Expert consultation · 19 years of WWTP experience

Need to size a pump to actual operating point?

Submit operating data (Q, H, DS%, chemical) — TKT engineers will recommend an optimized configuration from 8 EU/USA brands, with 10-year CAPEX/OPEX. Response within 4 working hours.

☎ 0941 400 488 Submit technical inquiry →
Brand portfolio · 8 EU/USA brands

Strategic partners for every WWTP stage

8 EU/USA brands authorized and represented by TKT — complete WWTP pump chain from influent · aeration · sludge · dosing · mag drive sealless. Specs verified from genuine manufacturer brochures.

Italy · Parma · 1941 · 70+ years

Robuschi

"Patented LOW PULSE < 2% · SENTINEL monitor"

Roots/Screw/Turbo blower Parma since 1941. Patent LOW PULSE reduces pulsation below 2%. Robox evolution (ES1-ES5) integrates blower + acoustic enclosure + SENTINEL 11-parameter monitoring. AISI 316/Duplex version for corrosive WWT.

RBS Lobe Robox evolution Robox SCREW Robox TURBO RBS Duplex
Lobe25,000 m³/h · 1 barG
Screw10,000 m³/h · 2.5 barG
Turbo26,500 m³/h · 1 barG
Oil-freeISO 8573-1 Class 0
Germany · 1864 · 2,500 employees

Aerzen

"Performance³ trio · −30% energy · ROI < 2 years"

Aerzener Maschinenfabrik since 1864. Concept Performance³ combining Delta Blower + Delta Hybrid + Aerzen Turbo → saving 30% energy. AERsmart master control (autopilot for 12 units) saves an additional 15%.

Delta Blower G5 Delta Hybrid Aerzen Turbo G5+ AERsmart AERaudit
Delta Blower30–15,000 m³/h
Aerzen Turbo360–16,200 m³/h
Oil-freeTÜV Class 0
Save−30% (+15% AERsmart)
USA · Warren Rupp/IDEX · 55+ years

Sandpiper

"5-year warranty · HDF solids 3″ · ESADS+Plus"

AODD Signature Series 4 configurations — Heavy Duty Flap Valve (HDF) handles solids up to 3 inch (75mm). ESADS+Plus air valve externally serviceable, 100% wet-tested. Submersible capable + dry-run + deadhead safe. 5-Year Limited Warranty.

HDF1–HDF4 S15 / S20 / S30 EvolutionX SPE10 SSB1 FDA ESADS+Plus
HDF max310 GPM (1,173 L/min)
HDF solids3″ (75mm)
Warranty5-year Limited
CertCE · ATEX · FDA
Italy · Sossano · 1990 · Diamond patent

Nova Rotors

"Diamond Series · patented universal pin joint"

Progressive cavity pump since 1990 — Diamond Series with patent universal pin joint standardized across the full range. DN/JN flanged industrial for RAS/WAS, DH/DHS open hopper with hydraulic auger, DV vertical, DXC hygienic CIP/SIP.

DN Flanged JN Industrial DH Hopper DV Vertical 6m DXC Hygienic
Capacity≤ 420 m³/h
Pressure≤ 48 bar (8 stages)
Solids≤ 28% (DH/DHS)
CertATEX · ISO 9001
Italy · API 675 · accuracy < 1%

Doseuro

"API 675 · ±1% · PROFIBUS · ATEX explosion-proof"

Standard chemical dosing pump API 675, accuracy < 1% (10-100% stroke). 3 main lines: PDP plunger, SDI sandwich hydraulic diaphragm (built-in safety valve + leak detection), SR mechanical/hydraulic diaphragm.

PDP A-I Plunger PDP SDI SR A · B/BR · D AP High-P FM Compact
Max (A-I 350)3,800 L/h
StandardAPI 675
Accuracy< 1%
CertATEX Ex-proof opt
Italy · 1935 · Centrifugal ISO 2858/5199

Salvatore Robuschi

"RB channel · RC vortex 150mm · investment casting"

Centrifugal pump from Parma since 1935 (distinct from Robuschi blower), ISO 2858/5199 + ATEX cat 2/3. RB channel for dirty water · RC vortex recessed for solids up to 110mm, free passage 150mm · RS semi-open cho DAF.

RB Channel RC Vortex RD Closed RG Semi-open RS DAF Vertical Sump
Flow (RB)≤ 2,400 m³/h
Free passage≤ 150 mm
MaterialCI · 316 · Duplex
CertISO 9001 · ATEX 2/3
USA · Erie PA · Mag-drive · 5-yr warranty

Finish Thompson

"5-yr warranty · run-dry · η up to 70% · neodymium magnets"

Mag-drive sealless centrifugal for corrosive chemicals. DB (flooded) + SP (self-priming, lift 7.6m) + UC (ANSI) + MSKC (multi-stage) + VKC (vertical). Easy Set outer drive, carbon bushing run-dry safe, working pressure 90 psi.

DB Mag Drive SP Self-Priming UC ANSI MSKC Multistage VKC Vertical Drum · FTI Air
Pressure90 psi (6.2 bar)
TempPP 82°C · PVDF 104°C
Efficiencyup to 70%
CertCE · ATEX · 5-yr
Italy · Modena · International DryWet Patent

Caprari

"DryWet patent · 1 unit runs both wet pit and dry pit"

Italian sewage submersible pump — featuring Caprari International Patent DryWet: 1 unit runs both wet pit (submerged) and dry pit (dry chamber). K+Energy IE3 Class H, vortex impeller ghisa sferoidale, 2 mechanical seal silicon carbide.

K+Energy DryWet K-KOMPACT KC+ Channel KT+ D-M
USPDryWet Wet+Dry
MotorIE3 · Class H · IP68
ImpellerDuctile iron vortex
ATEXII 2G Exd IIB T4
Why choose TKT · WWTP partner

More than pump sales — TKT supports you from design through WWTP operation

Full range of 8 EU/USA brands for wastewater treatment, stock and spare parts available in HCM, field survey engineers — reduce downtime, optimize operating costs.

Operational efficiency

Aeration energy savings 30–40% with TKT's optimized configuration

−40% Electric aeration
Robox Energy
30% DS sludge
Nova HS
19mm Solids
Sandpiper AODD
±1% Dosing accuracy
Doseuro API 675
Configuration verified for each WWTP project: industrial zone, textile & dyeing, F&B, paper, biogas.
01

30–40% aeration energy savings with Robox Energy

Robuschi Robox Energy allows lobe-or-screw on the same chassis — selected to match the optimum operating point. Reduces the largest energy OPEX of a WWTP.

02

Pump handles 19mm solids at the influent

Sandpiper AODD S20/S30 — solids handling 19mm, run-dry safe, sealless. Particularly suited for raw influent with organic debris and plastic fragments.

03

Treatment 30% DS thick sludge with Nova Rotors HS

Nova Rotors DH open hopper — 18–28% solids sludge after decanter or conveyor belt, stable discharge, pressure up to 48 bar, ATEX-ready.

04

ATEX-ready for UASB/biogas anaerobic tanks

Nova Rotors ATEX Zone 1/2 + Robuschi/Aerzen explosion-proof blower — meets fire safety acceptance requirements for projects with biogas, methane.

05

Kho HCM — spare parts and pumps available for delivery within the week

Stock in Ho Chi Minh City includes diaphragm, rotor/stator, valve set — no 8–12 week wait as with direct orders from Europe. Service team 24/7 in southern industrial zones.

Contact for consultation · WWTP project

WWTP pump configuration design within 48 hours

Submit project parameters (Q, flow rate, wastewater type, process stage) — engineer WWTP specialist from TKT will recommend an optimized configuration from 8 EU/USA brands, with quotation & delivery schedule.

Free on-site survey & configuration proposal

TKT engineering team visits the WWTP directly, measures flow rate & BOD/COD load, and recommends pumps for each process stage. No consultation fee, no purchase commitment required.

Call now — 0941.400.488

or submit request via info@thaikhuongpump.com

TKT commitments
Configuration proposal within 48 hours
8 EU/USA verified brands
HCM stock · spare parts available
Service team 24/7 southern region
ATEX Zone 1/2 biogas-ready
EPC support from FEED to operation
Công ty Cổ phần TKT Pumps · Authorized representative for Robuschi · Aerzen · Sandpiper · Nova Rotors · Doseuro in Vietnam
Office hours: Monday – Saturday, 8:00 – 17:30
Related solutions · Water & Environment cluster
Clean Water Supply cluster · water Sludge & solids cluster · slurry Chemical metering cluster · dosing Operation 24/7 cluster · service
Select by process stage

Select wastewater treatment pumps by process stage

Wastewater treatment pumps are not a single type — each stage of the treatment plant requires a different pump type. The table below maps 5 main process stages to pump types, product lines, and verified specifications.

Select wastewater treatment pumps by the triad: process stage × fluid × flow rate/head. Influent (raw wastewater with solids) → submersible cutter/non-clog pump; aerobic tank aeration → air blower; sludge handling (RAS/WAS) → sludge pump or PCP screw pump; chemical dosing (polymer, FeCl₃, chlorine, pH adjustment) → metering pump.

Process stage / fluidRecommended pump typeProduct line / brand (genuine)Key specificationsGo to
Influent / pump station (raw wastewater, with solids) Submersible cutter / non-clog pump Caprari K+ (Italy) K+ DN65-200: 160 l/s · 65 m · 15 kW → DN250-350: 680 l/s · 65 m · 180 kW Submersible Pump
Drainage / sump (small flow rate) Wastewater submersible pump Caprari D (Italy) D: 50 l/s · 40 m · 7 kW Submersible Pump
Aerobic tank aeration (24/7) Roots / turbo air blower Aerzen, Robuschi (oil-free) Largest power consumer — select based on air demand see air blower page Air Blower
Sludge handling (RAS/WAS, abrasive) Sludge pump / progressive cavity pump (PCP) Schurco Slurry, Nova Rotors Schurco S: up to 5,000 m³/h · 73 m · P: up to 510 m³/h · 128 m Screw
Chemical dosing (polymer / FeCl₃ / chlorine / pH) Metering pump / magnetic drive pump Doseuro · Finish Thompson (authorized) Precise small dosing; sealless pump with zero leakage see metering pump page Metering

Caprari (K+, D) and Schurco data from verified manufacturer specifications; air blower and metering pump selection based on requirements — TKT engineer confirms configuration per project.

Frequently Asked Questions

FAQ on wastewater treatment pumps

Which process stage determines the wastewater treatment pump selection?
Select by process stage: influent (raw wastewater with solids) uses submersible cutter/non-clog pump; aerobic tank aeration uses air blower; sludge handling (RAS/WAS) uses sludge pump or PCP screw pump; coagulant/disinfection chemical dosing uses metering pump. Each stage has its own fluid and requirements.
Vortex or cutter submersible pump for wastewater with solids?
Vortex impeller for wastewater with heavy solids/fibres as it allows solids to pass through with good clog resistance; cutter impeller shreds solids before pumping, suitable for small-diameter pipes and stringy wastewater. Select based on solid particle size and pipe diameter.
What pump types are needed to meet QCVN 40?
Meeting QCVN 40:2011/BTNMT requires the full chain: submersible pump for raw influent transfer, air blower supplying air to aerobic tank for biological treatment, sludge recirculation/waste sludge pump (RAS/WAS), and metering pump for coagulant/pH adjustment chemical dosing. Selecting the correct type for each stage is essential for stable system operation.
How to select air blower capacity for aeration?
Estimate air demand based on aerobic tank volume and oxygen requirements; select pressure based on diffuser submergence depth (each 1 m water column ≈ ~100 mbar) plus losses. This is the largest power consumer at the plant so prioritize efficiency; see details on the air blower page.
What pump to use for polymer / FeCl₃ / chlorine dosing?
Use a metering pump (diaphragm/piston) for precise, adjustable small-volume dosing — coagulants (PAC/alum), flocculants (polymer), disinfection (chlorine/NaOCl) and pH adjustment. Pump head material selected based on the chemical (PVDF/PTFE for chlorine and acids).
How to select an abrasion-resistant sludge pump?
For abrasive sludge and sediment, use a lined sludge pump (elastomer/hi-chrome) for high flow rates, or an eccentric screw pump (PCP) for thick, shear-sensitive sludge and sludge metering. Select liner and material based on particle size and abrasiveness.
Wastewater submersible pump Wastewater pump station Vortex or cutter? Aeration air blower
FINISH THOMPSON · USA CORROSIVE CHEMICAL PUMP SOLUTIONS

Finish Thompson pump for wastewater treatment chemicals

Wastewater treatment plants dose and recirculate corrosive chemicals (sodium hypochlorite, acids, alkalis) continuously. Finish Thompson (FTI) — magnetic drive pump sealless (sealless mag-drive) distributed by TKT as genuine product — eliminates mechanical seals, reduces maintenance frequency and leakage.

Sealless

Magnetic coupling replaces the through-shaft — eliminating shaft seal leak points when pumping corrosive chemicals.

PP / PVDF / ETFE

Select wetted-end materials based on actual chemical concentration and temperature at each process stage.

Dry-run capable

Multiple FTI series use carbon bearings, enabling dry running when the tank is empty — useful for processes with suction-dry risk.

FTI UC Series (ANSI)FTI DB SeriesFTI SP (PVDF)Magnetic drive centrifugal pump
Technical read: selecting chemical pumps for WWTP →Brand: Finish Thompson · distributed by TKT Pumps
IN-DEPTH TECHNICAL KNOWLEDGESelecting & operating air-operated diaphragm pumps (AODD)

Detailed technical guide for Sandpiper diaphragm pumps — correct selection, installation, maintenance, and troubleshooting.

How to select the right diaphragm pumpBy flow rate, material, valve Selecting diaphragm materialPTFE/Santoprene/Buna-N by chemical Metal or plastic casing?Compare to select the right type Maintenance & troubleshootingChecklist + safety Common faults & how to avoid themQuick diagnosis Diaphragm pump FAQCommon operating questions
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Chọn nhanh bơm nước thải theo thông số của bạn

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Related solutions

Clean Water SupplySlurry & solids pumpFire-fighting pumpGeneral Industry

Suitable brand

AerzenFPZHAUSRobuschiCaprariSandpiperDoseuro

View products

Air BlowerSubmersible PumpMetering PumpScrew Pump