MANN+HUMMEL Centrifugal Oil Cleaners · oil have been shown to be responsible for accelerated wear...

MANN+HUMMEL Centrifugal Oil Cleaners High Performance Bypass Oil Filtration

MANN+HUMMEL centrifugesclean oil by generating centri-fugal force 2,000 times grea-ter than gravity. It is this forcethat separates solid conta-minant from the oil. This tech-nology has been proven toremove contaminant down toa sub-micron size, which isadvantageous to both engine producers and users:

The Benefits:• Cleaner oil• Extension of oil life• Lengthens service intervals• Reduces engine wear• Enhances long-term pre-

ventative maintenance• Reduces maintenance costs • Cuts waste disposal costs• Reduces application down

time• Maximises in-service time

for vehicle/engines/machine• Reduces total cost of

ownership• Helps ensure clean com-

bustion and fuel efficiency• Supports engine technolo-

gy for the reduction ofexhaust emissions (e.g.exhaust gas recirculation)

• Fast return on investment

MANN+HUMMEL centrifugaloil cleaners are internationallyrecognised in providingsuperior bypass filtration forthe removal of contaminantfrom the lubricating oil of Die-sel engines. The technologycan also be successfully usedfor gearboxes, hydraulics andother industrial fluids. MANN+HUMMEL provide itscentrifuge technology to thefollowing market sectors:

• Trucks• Buses• Marine• Power Generation• Mining Machinery• Locomotives• Construction• Agriculture• Military• Industrial Fluids

2

MANN+HUMMEL Centrifugal Oil Cleaners – the ingenious solution for many applications

3

The Importance of Clean Oil

technologies such as exhaustgas recirculation have beenshown to increase the levelof contaminant, especiallysoot in the lubricating oil.The net effect is modern oilsare being required to workharder, last longer and con-tain higher levels of contami-nation. Therefore, advancesin oil chemistry and filtrationtechnology are essential tomeet these needs.

Oil is the life-blood of theengine and clean oil isessential if an engine is tooperate efficiently throughoutits working life. In responseto environmental legislationand customer requirementsengine manufacturers areadapting their designs toreduce harmful exhaustemissions and at the sametime extend oil drain inter-vals. Emission reduction

Photograph of soot.

Heavy durability engine test – oil analysis results displaying contaminant in-crease with engine operationhours. Engine size 8 litre,250 kW Industrial Diesel.The result concluded that theMANN+HUMMEL centrifugecontrolled total contaminationlevels within the lube oil at alevel below the engine ma-nufacturers condemnationlimit for more than double the standard drain interval.

Soot particles are sub-micronin size. Soot is a hard pro-wear particle. High sootlevels within a lubricating oil have been shown to beresponsible for acceleratedwear of critical engine com-ponents. Traditional full flowand by-pass filters are unableto remove soot contaminantas it is too small to be captu-red by the media. MANN+HUMMEL bypasscentrifugal oil cleaners areproven to be effective atremoving soot.

Sectioned Rotor with Contaminant

181614121086420

Diameter (microns)

Fre

quen

cy (

%)

0.10.131

0.1720.226

0.2960.389

0.510.669

0.877 1.511.981 3.409

2.5991.151

Chart Showing Used Oil Soot Particle Size Distribution

Engine Hours

3.5

3

2.5

2

1.5

1

0.5

0

Tota

l Ins

olub

les

(% m

ass)

0 100 200 300 400 500 600 700

Full Flow Filtration

Full Flow + Centrifuge

starting sample

after 24 hours passing through a centrifuge

4

Full flow filters are designedto process all the oil used tolubricate the moving parts ofthe engine. However, theneed to maintain a high flowand limit pressure dropacross the filtration mediarestricts the ability to filter out sub-micron particles. This job is taken over by thecentrifugal oil cleaner in thebypass. The MANN+HUMMELcentrifugal oil cleaner proces-ses approximately 10 % ofthe oil flow provided by theengine pump before returningit directly to the engine sump.

Centrifugal Oil Cleaners – Principle of operation

Working principle

Oil is pumped into the centri-fuge at engine pressure anddirected into a hollow spindlewhere it exits via a cross drilling into the centrifugerotor. The rotor becomes fullof pressured oil that is thenallowed to exit through twotangentially opposed nozzlesin the rotor base. This causesrotation of the free spinningrotor assembly thus genera-

ting the centrifugal force within the rotor. As contami-nant particles enter the rotorthey are subjected to a cen-trifugal force causing them tomigrate radially outwards tothe inner surface of the rotorwall where, over time theycompact to form a densecake. MANN+HUMMEL offerboth cleanable and disposa-ble rotor designs.

Centrifuge

Full flowfilter

By-pass flow

Sump

Pump

Clean oil return

To engine components

The removal of particles bycentrifugal force is based on their relative density andtherefore there is no restric-tion on contaminant size.

5

MANN+HUMMEL cleanableand disposable metal centri-fuges contain patentedSwept Rib Technology in therotor cover. These ribs areused to displace the conta-minated fluid from the rotorcore to the outer edge wherethe contaminants are actedupon by higher centrifugalforces, hence aiding cleaningefficiency. Competitor centri-fuges use inserts inside ofthe rotor in an attempt toachieve the same result.

Centrifugal Oil Cleaners – Principle of operation

Extensive comparativetesting of various insert de-signs has shown there to beno noticeable advances incleaning efficiency for theremoval of sub-micron sootcoupled with a greatly redu-ced contaminant holdingcapacity.

MANN+HUMMEL Swept Rib Technology

MANN+HUMMEL were thefirst to introduce to market acentrifugal oil cleaner with a100 % metal free rotor. TheMANN+HUMMEL plasticrotor is fully combustible andcan be incinerated at dis-posal. This design containspatented Internal rib techno-logy throughout its completelength. Internal rib plasticrotors ensure that all of theoil and hence the contami-nant is rotating at the samespeed as the rotor. As withthe swept rib design, internalrib technology also helps displace the oil and contami-nant from the rotor core tothe outer edge. These twoeffects provide an even greater cleaning efficiencywithout compromising conta-minant holding capacity.

Sectioned rotor full with contami-nant. Sectioned rotor displayingthe internal ribs.

Plastic rotor and coverTest Time (hr)

35

30

25

20

15

10

5

0

Soo

t R

emov

al (

g)

0 5 10 15 20 25 30

MANN+HUMMEL Plastic Centrifuge Internal Rib TechnologyMANN+HUMMEL Centrifuge Swept Rib TechnologyPlastic Insert Spiral Ribs Competitor Centrifuge

OEM used engine oil draw-down comparative test. The graph displays soot removal by the centrifuge with time. Three centrifugeconcepts were tested. The MANN+HUMMEL Swept and Internal ribdesigns provided a greater soot removal over the test period whencompared with a centrifuge using a plastic insert of spiral ribs.

6

• This model is available witha cleanable rotor, and issupplied with paper insert68 933 30 101 to improveserviceability

• Other features can beincluded to suit specificcustomer requirements

• The net weight of theFM090 is 3.5 kg

• Suitable for system capaci-ty from 15 to 90 litres

• Rotor dirt capacity 0.9 litres• Rotor oil capacity

1.125 litres• Minimum oil feed pipe size

9.5 mm internal diameter• Minimum oil drain pipe size

38 mm internal diameter

Technical DataFM090 Centrifuge

4 Fixing Holes

ø1176 CRS

ø 51

Oil Outlet

54 CRS

ø 173

320

210

20

ø 141

78

All measurements are in mm unless otherwise stated

Oil Inlet

Min

imum

Hei

ght

for

Rot

or R

emov

al

11

10

9

8

7

6

5

Oil

Flo

w R

ate

(litr

e/m

in)

Performance CurvesTypical Rotor Performance for SAE 30 Oil @ 100 °C

9,000

8,000

7,000

6,000

5,000

Rot

or S

peed

(re

v/m

in)

3 4 5 6 7

Supply Pressure (bar)

FLOW

SPEEDPart No.

68 991 42 101

Oil Inlet

Thread

3/8” B.S.P.

C.O.V. Rating,

bar

1.3

Type

FM090-31

7

• Incorporates a level controlbase for remote mounting

• Rotor dirt capacity 0.9 litres• Rotor oil capacity

1.125 litres• Minimum oil drain pipe size

12 mm internal• Maximum air consumption

36 litres/hour

Technical DataFM090-LCB Centrifuge

Type

FM090-LCB

Transit

Oil

Connection

1/2” NPT

Air

Connection

1/4” NPT

C.O.V. Rating,

bar

1.3

216

108

50

110

20

120

19

1/2” NPT Oil Inlet

1/2” NPT Oil Outlet

1/4” NPT Air Inlet


76 CRS

16

ø 177

4 Fixing Holes

ø10.2

108 CRS

140

330440

Min

imum

Hei

ght

for

Rot

or R

emov

al

Part No.

68 991 39 301

11

10

9

8

7

6

5

Oil

Flo

w R

ate

(litr

e/m

in)


9,000

8,000

7,000

6,000

5,000

Rot

or S

peed

(re

v/m

in)

3 4 5 6 7


FLOW

SPEED

• This model is available witha cleanable rotor, and issupplied with paper insert68 933 30 101 to improveserviceability.

• The net weight of theFM090-LCB is 6 kg

• Full technical details canbe found on page 13

8

• Oil inlet threads and CutOff Valve (C.O.V.) ratingscan be tailored to suitcustomer requirements

• For this centrifuge the following items are availa-ble: Remote mounting basewith air assisted drainage68 999 11 101, Rotor disas-sembly tool 68 906 90 601,Standtube extraction tool68 906 90 901

• The net weight of theFM200 is 9.5 kg

• Suitable for system capaci-ty from 40 to 170 litres

• Rotor dirt capacity 2 litres• Rotor oil capacity 2.3 litres• Minimum oil feed pipe size

12 mm internal diameter• Minimum oil drain pipe size

50 mm internal diameter• This model is available with

a cleanable rotor, and issupplied with paper insert68 903 22 001 to improveserviceability


ø 90

Oil Outlet

ø 230

4 threaded fixing holes

160

ø 203

528

344298

113.5


Oil Inlet

Min

imum

Hei

ght

for

Rot

or R

emov

al

20

18

16

14

12

10Oil

Flo

w R

ate

(litr

e/m

in)


5,000

4,000

3,000

2,000 Rot

or S

peed

(re

v/m

in)

3 4 5 6 7


FLOW

SPEED

160

126 CRS

130

126 CSR

41

99

Type

FM200-21

FM200-22

FM200-25

FM200-28

Oil Inlet

Thread

1/2” B.S.P.

7/8” UNF

M22 x 1.5

M22 x 1.5

C.O.V.

Rating, bar

2.5

2.1

2.5

2.1

Threaded

Fixing Holes

M12

1/2” UNC

M12

M12

Part No.

68 991 19 701

68 991 19 801

68 991 19 901

68 991 20 001

9

• Oil inlet threads and Cut Off Valve (C.O.V.) ratings can be tailored to suit customer requirements

• Remote mounting base 68 999 111 08 with air assisted drainage is also available for use with this model

• Rotor disassembly may be aided by rotor disassembly tool 68 906 91 301

• The net weight of the FM400 is 22 kg

• Suitable for system capa-city from 200 to 1500 litres

• Rotor dirt capacity 4 litres • Rotor oil capacity 4.5 litres• Minimum oil feed pipe size

19 mm internal diameter • Minimum oil drain pipe size

76 mm internal diameter • This model is only avail-

able with a cleanable rotor and is supplied with paper insert 68 933 22 601 to improve serviceability


60

50

40

30

20

Oil

Flo

w R

ate

(litr

e/m

in)


5,000

4,000

3,000

2,000 Rot

or S

peed

(re

v/m

in)

3 4 5 6 7


FLOW

SPEED

ø 102

Oil Outlet

ø 330


160

690

139

161


Oil Inlet

Min

imum

Hei

ght

for

Rot

or R

emov

al

160

126 CRS

184

126 CSR

58

146

404356

Type

FM400-21

FM400-23

FM400-24

FM400-26

Oil Inlet

Thread

3/4” B.S.P.

3/4” B.S.P.

5/16” UNF

M27 x 1.5

C.O.V.

Rating, bar

–

2.5

2.5

2.5

Threaded

Fixing Holes

M12

M12

1/2” UNC

M12

Part No.

68 991 34 401

68 991 38 801

68 991 36 801

68 991 34 701

10

• Oil inlet threads and Cut Off

Valve (C.O.V.) ratings can be

tailored to suit customer requi-

rements

• Remote mounting base

68 999 11 101 with air assisted

drainage is also available for

use with this model

• Rotor disassembly tool

68 906 91 201 is required to

service this product

• The net weight of the FM600

is 25 kg

• Suitable for system capacity

from 200 to 1500 litres

• Rotor dirt capacity 6 litres

• Rotor oil capacity 6.5 litres

• Minimum oil feed pipe size


• Minimum oil drain pipe size


• This model is only available

with a cleanable rotor and is

supplied with paper insert

68 900 00 815 to improve

serviceability


ø 102

Oil Outlet

ø 330


160

769

139

161


Oil Inlet

Min

imum

Hei

ght

for

Rot

or R

emov

al

80

70

60

50

40

Oil

Flo

w R

ate

(litr

e/m

in)


5,000

4,000

3,000

2,000 Rot

or S

peed

(re

v/m

in)

3 4 5 6 7


FLOW

SPEED

160

126 CRS

184

126 CSR

58

146

Part No.

68 991 18 701

68 991 18 801

68 991 18 901

68 991 19 001

68 991 19 201

68 991 19 301

Oil Inlet

Thread

3/4” B.S.P.

3/4” B.S.P.

3/4” B.S.P.

15/16” UNF

3/4” NPT

M27 x 1.5

C.O.V.

Rating, bar

–

3.5

2.5

2.5

2.5

2.5

Threaded

Fixing Holes

M12

M12

M12

1/2” UNC

1/2” UNC

M12

484436

Type

FM600-21

FM600-22

FM600-23

FM600-24

FM600-25

FM600-26

11

The centrifuge should bemounted at an angle of nomore than 15 degrees fromthe vertical. Temporaryincreases in tilt angle due to vehicle operation are notimportant. For OEM applicati-ons where tilt performance isessential MANN+HUMMELwill design the centrifugearrangement to meet therequired specification.

A MANN+HUMMEL centrifu-ge can be designed onto anengine as original equipmentor retrofitted to an existingengine by the end user. Theby-pass centrifuge requires asupply of pressurised oil. Inthe majority of applicationsthe oil supply is obtained atengine pressure via the lubeoil pump. In cases where oilpressure is insufficient aslave pump can be installed.

Installation

capacity to support a bypasswith a correctly sized centrifu-gal oil cleaner. Please consultwith MANN+HUMMEL or yourlocal distributor for centrifugeselection and installationadvice.

For retrofit applications wheredirect engine mounting of thecentrifuge is difficult,MANN+HUMMEL offer remo-tely mounted designs whichuse air pressure to assist the clean oil to return to thesump. This option is suitableonly for applications where asupply of compressed air isavailable.

Oil leaving the centrifugeneeds to be able to fall backto the engine’s oil sumpunder gravity. It is thereforeimportant that the drain isfree from restrictions and thatthe return is of the correctdiameter and above the oillevel within the sump.When specifying a centrifugefor an application it is vital toensure the oil system cansupport the extra flow takenby the centrifuge in bypass, in order not to starve the fullflow lubrication of enginecomponents. In the majorityof cases engine oil pumpshave sufficient excess oil

Installation

Large diameter oil return pipemeans the oil will drain andthe rotor will be free to turn

A centrifuge is not a normal filter, it needs a larger oil return pipe.

Note: Some models areavailable with air assisted drains to allow them to beinstalled without the need for a large diameter oil returnpipe.

Oil feed Oil feed50 mm (min.)

10 ° (min.)

Acceptable

Not acceptable

Oil feed Oil feed

Small diameterOil drain

Small diameter oil return pipewill prevent oil from drainingfrom the centrifuge and willstop it working

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Baffle

Screen

Jet

Dirty Oil Inlet

FloatAssembly

Air Inlet

Cleaned OilOutlet

Control MechanismLCB – FM090-LCB can be mounted inalmost any location and uses hoses andfittings common to other by-pass filters.A simple control mechanism in the basemaintains exactly the right oil level formaximum speed and dirt removal. The control operates on air from thetruck systems and air consumption is so small (0.01 l/s STP) as to be hardlymeasurable. When the oil begins to rise, the floatvalve admits a small amount of air tocontrol the oil level. As the level drops,the air is cut off to prevent bubbles fromentering the drain line. Clean oil fromFM090-LCB then returns to the enginecrankcase.

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InstallationHow to fit a 090-LCB centrifuge

Locating and MountingThe centrifuge should be fitted verticallyABOVE SUMP LEVEL to a rigid part ofthe chassis and as close to the engineand a convenient auxiliary air protectionvalve as possible, to minimise pipe runs.

Air Feed (Connection 1/4” NPT)Air feed to the centrifuge should betaken from the auxiliary air protectionvalve 6 mm O/D nylon tube.Note:• The air pressure to the centrifuge

should not exceed 125 psi• Codes of practice state

Auxiliary Air PressureOperated EquipmentAuxiliary equipment shall not be connectedto an air brake system, except through adevice which protects the service andsecondary brake system, at a pressure ofnot less than 70% of the design pressurecorresponding to a declaration of 0.6 g.

Oil Feed (Connection 1/2” NPT)Oil feed should be taken from a suitablepoint on the engine that results inmaximum oil pressure to the centrifuge.This is usually from the full flow filterhead at a point between the oil pumpand the element filter, using FC300-8Aeroquip type hose.

Oil Drain (Connection 1/2” NPT)Oil drain from the base of the mountingbracket is via an Aeroquip type FC300-8hose, returning to a suitable point in theengine block or oil sump. This return linecan enter above or below the sump level,but must not have a vertical rise fromcentrifuge to oil return point greater than1/2 metre.Note:• The centrifuge must be mounted

above sump level.

GeneralAll hose connections should be madewith the appropriate Aeroquip type highpressure hose fittings. Ensure that the centrifuge is mountedrigidly to the chassis and all pipes arefixed into position and are not likely toscuff against moving parts. Whenconnection is complete, start engine andcheck for oil or air leaks. Check engineoil pressure. Switch off engine and theaudible sound of the rotor will be heardslowing down, thus ensuring that oil isreaching the centrifuge and it is workingeffectively.

Simple Operation – Dependable ServiceThe FM090-LCB centrifugal oil cleanerconsists of two major sections: the centrifuge and a control mechanism.

CentrifugeRotor – At the top is the dirt removingrotor with its removable bowl. Dirty oilfrom the engine enters the side of theFM090-LCB housing and travels upthrough the hollow spindle to the rotor,where it is uniformly distributed by abaffle. The rotor is accelerated to a highspeed. The resulting centrifugal forceslings the dirt particles on to the wall ofthe rotor in a compact, easy-to-removemass.Drive Chamber – The clean oil leavesthe rotor through the screen and entersthe drive chamber. The oil is expelledthrough twin jets which spin the rotor atspeeds up to 9,000 rev/min.

HEADQUARTERS

MANN+HUMMEL GMBHBusiness Unit Industrial FiltersBrunckstr. 1567346 Speyer, Germany Tel.: +49 (6232) 53-80Fax: +49 (6232) 53-88 99E-Mail: [email protected]: www.mann-hummel.com

MANN+HUMMEL Industrial Filters worldwide

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MANN+HUMMEL (UK) LTD.Centrifuge Manufacturing and Researchand Development FacilityUnits 11-15 Leach RoadChard Business ParkChard, Somerset TA20 1FA, United KingdomTel.: +44 1460 238 900Fax: +44 1460 238 997E-Mail: [email protected]: www.mann-hummel.com/mhuk

EUROPE

United KingdomMANN+HUMMEL (UK) LTDBusiness Unit Industrial FiltersSuite 12, 30 Churchill SquareKings Hill, West Malling, Kent, ME19 4YUTel.: +44 1732 846522Fax: +44 1732 870673E-Mail: [email protected]: www.mann-hummel.com/mhuk

FranceMANN+HUMMEL FRANCE S.A.S.Z.I. du Val d’Argent11, rue Jean Poulmarch95100 ArgenteuilTel.: +33 1 30258242Fax: +33 1 30258259E-Mail: [email protected]: www.mann-hummel.com/mhfr

ItalyMANN+HUMMEL GMBHDirezione Commerciale ItaliaP.O. Box 126, Via Nazario Sauro, 123100 Sondrio (SO)Tel.: +39 0342 2112 70Fax: +39 0342 2106 90E-Mail: [email protected]: www.mann-hummel.com

Spain / PortugalMANN+HUMMEL IBERICA S.A.U.C/ Pertusa n° 8, Polig. Industrial PLA-ZA,parcela ALI 7,350197 ZaragozaTel.: +34 (976) 287 300Fax: +34 (976) 287 418E-Mail: [email protected]: www.mann-hummel.com/mhes

Czech RepublicMANN+HUMMEL (CZ) s.r.o.Nová Ves č. 6667521 OkříškyTel.: +420 568 898 111Fax: +420 568 898 445E-Mail: [email protected]: www.mann-hummel.com/mhcz

RussiaMANN+HUMMEL GMBHRegional OfficeKonenkova Str. 11 A127560 MoskauTel.: +7 095 742 7976Fax: +7 095 742 7988E-Mail: [email protected] Internet: www.mann-filter.ru

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MANN+HUMMEL Industrial Filters worldwide

NORTH AMERICA

USA / CanadaMANN+HUMMEL USA, INC.6400 South Sprinkle Road Portage Michigan, 49002-8720Tel.: +1 (269) 329-7200Fax: +1 (269) 329-7201E-Mail: [email protected]: www.mann-hummel.com/mhus

SOUTH AMERICA

ArgentinaMANN+HUMMEL Argentina S.A.Sdor. Francisco Quindimil 4425/95B1822APC Valentín AlsinaBuenos AiresTel.: +54 11 4208 1200Fax: +54 11 4228 6691E-Mail: [email protected]: www.mann-hummel.com/mhar

MexicoMANN+HUMMEL MEXICO S.A. DE C.V.Vialidad el Pueblito No. 104Parque Industrial QueretaroSanta Rosa JaureguiSantiago de Queretaro, Queretaro, C.P. 76220Tel.: +52 442 103 1100Fax: +52 442 103 1103E-Mail: [email protected]: www.mann-hummel.com/mhmx

BrazilMANN+HUMMEL Brasil Ltda.Caixa Postal 210Alameda Filtros Mann 555CEP 13330-970 Indaiatuba-SPTel.: +55 19 3894 94 00Fax: +55 19 3894 51 31E-Mail: [email protected]: www.mann-hummel.com.br

ASIA / AUSTRALIA

AustraliaMANN+HUMMEL AUSTRALIA (PTY) LTD.15/10 Chilvers RoadThornleigh, NSW 2120Tel.: +61 2 9484 4300Fax: +61 2 9484 4175E-Mail: [email protected]: www.mann-hummel.com

ChinaMANN+HUMMEL FILTER TRADING (SHANGHAI) CO.,LTD.Huadu Mansion, Floor 24/A-F, No. 838, Zhangyang Road, PudongShanghai 200122Tel.: +86 21 58 20 1086Fax: +86 21 58 20 6015E-Mail: [email protected]: www.mann-hummel.com

IndiaMANN+HUMMELFILTER TECHNOLOGY (S.E.A.) PTE LTD.India Representative Office#346, 1st Floor, 3rd Cross8th 'A' Main, 4th BlockKoramangala560034 BangaloreTel.: +91 80 5121 7111Fax: +91 80 2553 8584E-Mail: [email protected]: www.mann-hummel.com.sg

SingaporeMANN+HUMMEL FILTER TECHNOLOGY(S.E.A.) PTE LTD.3 Toh Tuck Link#03-01/02/03 German Districentre596228 SingaporeTel.: +65 6586 8181Fax: +65 6586 8180E-Mail: [email protected]: www.mann-hummel.com.sg

JapanMANN+HUMMEL WAKO CO. LTD.Shin Yokohama Daiichi Bldg 2F2-14-27, Shin YokohamaKohoku-ku, Yokohama-shi Kanagawa-ken 222-0033Tel.: +81 (45) 470-4611Fax: +81 (45) 470-0812E-Mail: [email protected]: www.mann-hummel.com

MANN+HUMMEL Industrial Filters

MANN+HUMMEL company

Joint venture company

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MANN+HUMMEL GMBH, Business Unit Industrial Filters67346 Speyer, Germany, Telephone +49 (62 32) 53-80, Fax +49 (62 32) 53-88 99

E-Mail: [email protected], Internet: www.mann-hummel.com

automotive industry and manyother fields. A key area ishigh quality filtration productsfor vehicles, engines andindustrial applications. TheOEM business with globalmarket leaders and produ-cers of vehicles, machinesand installations defines thequality and performance ofthe group. Filters for the

The MANN+HUMMEL Groupis an international companywith its headquarters inLudwigsburg, Germany. Thegroup employs approx. 9100people worldwide at morethan 40 locations.

The company develops, pro-duces and sells technicallycomplex components for the

international aftermarket aresold under numerous inter-national brands as well asunder the MANN-FILTERbrand.

The Industrial Filters BusinessUnit with its headquarters inSpeyer, Germany is specia-lised in meeting the require-ments of off-highway vehicle

and - engine applications,compressed air and vacuumtechnology, mechanical engineering and plant construction. For these and other industrial fieldsMANN+HUMMEL IndustrialFilters offers high performan-ce products for the filtrationand separation of air, gasesand liquids.

MANN+HUMMEL Centrifugal Oil Cleaners · oil have been shown to be responsible for accelerated wear...

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Transcript of MANN+HUMMEL Centrifugal Oil Cleaners · oil have been shown to be responsible for accelerated wear...