The db series
SUPREME EFFICIENCY,
RELIABiLITY AND
Runs dry
for hours. PERFORMANCE.
Guaranteed Introducing the DB Series magnetic
for years. drive pump—the new standard
for high hydraulic efficiency and
corrosive fluid handling.
With design-aided magnetic flux and
computational fluid dynamics technology,
the DB Series packs all the high-pressure,
fluid-handling punch you’d expect from
a Finish Thompson pump.
And then some.
Borne from a painstaking, ex-
tensive R&D effort, the
efficiency of the DB Series
lowers energy consumption
and operating costs over the
long life cycle of the pump.
Constructed from Polypropylene
or PVDF, the DB Series operates
durably in the most corrosive
of environments. It can even
run dry without damage.
This rock solid embodiment of
technological advancement is
superior in precision, performance
and reliability to other pumps
on the market.
That’s why we’re offering the
industry’s best five-year warranty.
And why everyone else will
undoubtedly be headed back
to the drawing board.
1. Easy Set Outer Drive 3. Multiple Connections
Measurement-free outer drive ensures opti- NPT or BSP threads, raised face adjustable
mum magnet alignment and easy motor instal- flanges or union.
lation. Allows optional vertical operation when
used with IEC motors. 4. Run Dry System
The DB can run dry without damage when
2. Multiple Impeller Diameters equipped with a chemical grade carbon bush-
Allows hydraulic requirements to be precisely ing in optimum operating conditions.
met.Two-piece impeller design allows impeller This helps protect the pump from operator
to be changed without having to replace errors and system upsets.
inner drive.
2
3
DB Series 3450/2900 rpm
220
[67]
200
[60.9]
180
[54.8]
DB22 Closed *
160
[48.8]
140
[42.7]
HEAD - Feet [Meters]
120
[36.6]
DB22 Open
100
[30.5]
80 DB15
[24.4]
60
[18.3] DB11
40
[12.2]
DB6 -10
20
[6.1] KC
3,4,5
0
0 25 50 75 100 125 150 175 200 225 250
[5.7] [11.4] [17] [22.7] [28.4] [34.4] [34.1] [39.7] [45.4] [56.8]
3
FLOW - US gpm [M /hr]
*Contact the factory for closed impeller DB22 2900 rpm performance. Performances are equal for all other DB models.
Features
+ Close-coupled design 2 8
+ Polypropylene or 4 5 6 9
PVDF construction
1
+ Replaceable shaft
+ ISO 1940 G2.5 balancing
+ Mounts to Nema and
IEC motor frames
+ Mounts to motor
without disassembly
1a
+ Back pullout design
+ Five-year warranty 3a
7 7A
+ CE certified/ATEX available 3
Capabilities
+ High operating efficiency—
Description Polypropylene PVDF
up to 70% Models Models
+ High working pressure— 1 Impeller housing Glass-fiber reinforced Carbon-fiber
up to 90 psi polypropylene reinforced PVDF
+ High specific gravity 1A Impeller housing High-purity alumina ceramic, silicon carbide
thrust ring options
handling—over 1.8 2 O-ring options FKM, EPDM, Simriz,® Kalrez®
+ Maximum viscosity: 150 cP 3 Impeller Glass-fiber reinforced Carbon-fiber
+ Maximum Temperature: polypropylene reinforced PVDF
Polypropylene—180º F (82º C); 3A Impeller thrust Molybdenum disulfide filled PTFE,
washer options silicon carbide
PVDF—220º F (104º C)
4 Inner drive Neodymium iron Neodymium iron
boron magnets boron magnets
Applications encapsulated in encapsulated in
unfilled polypropylene unfilled PVDF
+ Chemical manufacturing
5 Bushing options Carbon, PTFE, high purity alumina ceramic,
+ Metal plating/working silicon carbide
+ Wastewater treatment 6 Shaft options High-purity alumina ceramic, Hastelloy® C,
+ Electronics manufacturing silicon carbide
+ Fume scrubbing 7 Barrier Glass-fiber reinforced Carbon-fiber
polypropylene reinforced PVDF
+ Mining
7A Barrier thrust ring High-purity alumina ceramic
+ Paper mills
8 Motor adapter Glass-filled polypropylene or ductile iron
+ Printing
9 Outer drive magnet Nickel-plated neodymium iron boron
+ Pharmaceutical processing magnets/steel
+ Agriculture Kalrez® is a registered trademark of DuPont Performance Elastomers
+ OEM equipment supply Simriz® Perfuoroelastomer is a registered trademark of the Simrit®
division of Freudenberg-NOK
+ General pump applications Hastelloy® C is a registered trademark of Haynes International, Inc.
Engineered by computational fluid dynamics
Looking for self-priming ability? Ask about our SP Series.
Pick the perfect pump. Visit our online pump selector at finishthompson.com.
FT06-927C
