Sealless Magnetic Drive Pump Zero leakage ·
PVDF / PP virgin
No mechanical seal → zero leakage of acid · alkali · solvent. ATEX Zone 1 for flammable fluids.
Finish Thompson
DB / SP / UC series ·
Sandpiper AODD cho slurry.
✦ PVDF · PP virgin✦ Tefzel-lined ANSI▲ ATEX Zone 1✦ ISO 2858 · CE · FDA
Why mechanical seal pumps are not safe enough for hazardous chemicals?
4 typical failures when handling acid concentrate, solvents, concentrated alkali with sealed pumps — from leakage incidents
to failing ATEX/CE/FDA audits.
01 / Seal leak
Mechanical seal leaks acid → chemical accident
The mechanical seal is the #1 leakage point on chemical pumps. After 6–18 months of operation with concentrated acid,
alkali, solvents — the seal wears → droplet leakage → toxic fumes, base corrosion, motor corrosion, risk of
operator chemical burns. Every seal replacement: shutdown + clean + replace.
ImpactChemical accident · MSDS/OSHA violation · clean-up cost · 4–24h downtime per seal incident
02 / Material mismatch
Wrong material → swelling, cracking, swell within weeks
Using non-virgin PP for HF — PP swells, cracks. Using stainless steel for concentrated HCl — pitting within 2 weeks. Chrome
electroplating, semicon HF, NaOCl scrubber require PVDF virgin grade or Tefzel-lined
ANSI body — no alternative.
ImpactPump failure in 2–8 weeks · process failure · contamination · replacement cost 3× correct spec
03 / No self-prime
No self-prime from pit/drum → manual priming required
Standard centrifugal pumps are not self-priming (no self-prime). When pumping from underground pits, sumps, 200L drums, or tanks below
elevation → operator must manually prime with acid/solvent (PPE risk), or install foot valves prone to clogging/leakage.
SP Series self-prime 7.6 m resolves this — no manual priming required.
ImpactEvery shift start = 5–15 min manual priming · operator PPE risk · foot valve failure / clogging
04 / Audit fail
Fails ATEX / CE / FDA / GMP audit
Chinese pumps without cert, without 3.1 EN 10204 material traceability, cannot pass pharma GMP,
food FDA, ATEX Zone 1 for solvent audits. Audit fail = production delay, loss of EU/US orders,
full pump skid rework.
ImpactAudit reject · CAPA 3–6 months · loss of EU/US orders · brand damage with end customers
Solution · 3 mag-drive pump groups
Three magnetic drive pump lines cho 3 application profile
DB Plastic mag-drive (acid/alkali daily) · SP Self-priming (pit/drum, no priming needed) ·
UC ANSI Tefzel-lined (heavy-duty, ATEX) — select by application + MSDS spec.
Spec match theo MSDS
📸 Product · 01560×320 · 7:4
Subject
FTI DB Series mag-drive housing PVDF · close-coupled motor · cutaway optional
Layout
3/4 angle · pump body magenta accent lighting
Background
Plating bath / acid storage area
Source
FTI catalogue DB Series
↳ FTI DB3-DB22 · PP body or PVDF body
A · Plastic mag-drive
FTI DB Series — PP / PVDF acid · alkali daily duty
Plastic-body magnetic drive centrifugal pump PP or PVDF virgin grade — workhorse for electroplating
(H₂SO₄, HCl, chromic), dilute semiconductor HF, NaOH/NaOCl scrubber, pharma intermediate. No mechanical seal →
zero leakage. N48 magnet — no decoupling at full load.
Mag-drive pump self-prime 7.6 m — draws directly from underground pits, sumps, 200L drums, tanks
below elevation. Operator does not need to contact acid/solvent for manual priming. Pressure 6.2 bar for
long-distance transfer. PP/PVDF housing.
Mag-drive pump ANSI B73.1m standard · ductile iron Tefzel-lined body for heavy-duty
applications: high-temperature solvent, acid concentrate ATEX zone, petrochemical, pharma reactor scale.
Catalog total 329 m³/h · head 96 m · ATEX-ready.
Spec policy: FTI UC catalogue · Tefzel-lined per chemistry
Brand portfolio · Mag-drive specialists
One primary brand + complementary technology
Finish Thompson (FTI)
USA · IDEX is featured brand for mag-drive — DB / SP / UC full series.
Sandpiper
AODD supplements for slurry/gritty fluids that mag-drive cannot handle.
Featured brand for mag-drive in TKT portfolio. DB Plastic mag-drive ·
SP Self-Priming mag-drive (7.6 m) · UC ANSI B73.1m Tefzel-lined
heavy-duty. Neodymium N48 magnet, no decoupling at full load. ATEX-ready Zone 1.
DB PlasticSP Self-PrimingUC ANSI HDTefzel-linedN48 magnet
We are adding specialty mag-drive brands from EU/Japan/USA for niche applications
(UHP semicon, ultra-acid HF, high-temp solvent). Need special specs? — TKT can source
per project.
5 technically focused reasons — zero seal philosophy, virgin grade materials, N48 magnet no
decoupling, full certification, self-prime 7.6 m available.
Track Record · Verified
19+ years — zero seal · zero leak chemical handling
19+Yrs exp. chemical pump
0Mechanical seal = 0 leakage
5yWarranty FTI
FREEMaterial consultation
01
Zero seal philosophy — eliminating leakage entirely
Mag-drive has no mechanical seal — eliminates the #1 leakage point on chemical pumps. Seal replacement is
never required. Operators are not exposed to fumes from leakage. OSHA / MSDS compliant by design.
Zero leakNo seal
02
PVDF / PP virgin grade — no cheap blend
FTI
DB Series uses PVDF / PP virgin grade (no recycled blend) — resistant to dilute HF,
acid concentrate, concentrated alkali, strong solvents. UC Series has Tefzel-lined for even more demanding chemistry.
PVDF virginPP virginTefzel-lined
03
Neodymium N48 magnet — no decoupling at full load
Weak mag-drive will decoupling under high load (loss of sync between inner/outer magnets), pump
stops abruptly. FTI uses Neodymium N48 high pull — maintains stable coupling at continuous full
load, including viscous fluids.
N48High pullNo decouple
04
ISO 2858 + CE + FDA + ATEX Zone 1 — passes comprehensive audit
Pump FTI
ISO 2858 dimensional · CE EU · FDA food/pharma · ATEX 2014/34/EC Zone 1 for
flammable certifications available. 5-year warranty — high standard in the industry. Suitable for EU/US audits.
ISO 2858CE · FDAATEX Zone 15y warranty
05
SP self-prime 7.6 m — no manual priming required
FTI SP Series self-prime 7.6 m — pumps directly from underground pits, sumps, 200L drums, tanks
below elevation. Operators do not need to contact acid/solvent for manual priming at each shift start. Eliminates
clog-prone foot valves.
7.6m liftNo primePPE safe
Responsible specialist · Mag-drive
Consult mag-drive specialist
for your chemistry
Material consultation theo MSDS · ATEX zone classification · 48h response.
Send chemical list + operating conditions — TKT matches PVDF/PP/Tefzel + suitable FTI series.
Technical expert in charge
Portrait 200×200
Mag-Drive Specialist (TODO: HR to provide name + photo)
FTI DB/SP/UC · ATEX Zone 1 · PVDF/PP/Tefzel match per MSDS
10+Yrs exp. mag-drive
100+Projects plating/semicon
FTIBrand certified
FTI DB / SP / UCPVDF / PP virginTefzel-linedATEX Zone 1MSDS analysis
"Mag-drive is not plug-and-play — material must be matched per MSDS, NPSHa checked for SP self-prime,
ATEX zone confirmed. I ensure the pump runs to spec, no decoupling, no leakage throughout the full
5-year FTI warranty period."