FOUNDED IN 1928 – 87 YEARS OLD
EMPLOYEE-OWNED
CORPORATE OFFICES – BARTLETT, ILLINOISSALES
ENGINEERING
SERVICE
PARTS
FABRICATION – CHARITON, IOWAJOHNSON MACHINE WORKS – 1940
AISC CATEGORY 1 CERTIFIED – HIGHEST RATING
CONTROLS – ELGIN, ILLINOISCONTROLLINK
UL & cUL CERTIFIED SHOP
REPRESENTATIVE – PROMAG ENVIRO SYSTEMS, LTD.
KEN MAGAW
LESS PIPING BLOCKAGES
REDUCED PUMP MAINTENANCE
IMPROVED CLARIFIER SETTLING
REDUCED CLARIFIER SCUM FORMATION
LESS CLARIFIER FEEDWELL CLEANING
LESS CLEANING OF CLARIFIER WEIRS
REDUCED AIR DIFFUSER MAINTENANCE
LESS FREQUENT DIGESTER CLEANING
IMPROVED DIGESTER OPERATION
REDUCED SLUDGE DEWATERING MAINTENANCE
CLEANER WASTE SLUDGE – NO IDENTIFIABLES
DESIGN BASED UPON PEAK FLOWCOMBINES THREE (3) UNIT PROCESSES:
SCREEN OPENINGS – 13 mm AND SMALLER MATERIAL6 mm STANDARD OPENING
WASHES SCREENINGS TO REMOVE FECAL MATERIAL2-STAGE WASHING SYSTEMNO VISIBLE FECAL MATERIAL
COMPACTS AND DEWATERS SCREENINGS40 TO 50% DRY SOLIDSREDUCES VOLUME BY 50%REDUCES WEIGHT BY 67%SAVES CONSIDERABLE DISPOSAL COSTSMORE ENVIRONMENTALLY FRIENDLY
ALL STAINLESS STEEL CONSTRUCTION
LOW POWER – 1.5, 2.2, OR 3.7 kW DRIVE
SIMPLE MECHANICAL DESIGN
ONE MOTORIZED MOVING PART
ENCLOSED DESIGN FOR ODOR CONTROL
PIVOTS OUT OF CHANNEL FOR SERVICE
SCREEN TYPICALLY OPERATES 400-600 HR/YR
LOW MAINTENANCE COSTS
SCREEN BASKET
SEAL PLATERAKE & COMB
TRANSPORT
SCREW
1.5, 2.2, OR
3.7 kW DRIVE
COMPACTION
ZONE
WASH SYSTEM
MANIFOLD
COMPACTION FLUSH
SCREENINGS
WASHLOWER
WASH
BAR SPACINGS – 6 mm, 10 mm, and 13 mm6 mm – STANDARDNINE (9) SCREEN SIZES:
24 INCH – 610 mm31 INCH – 787 mm35 INCH – 889 mm40 INCH – 1,016 mm47 INCH – 1,194 mm55 INCH – 1,397 mm63 INCH – 1,600 mm71 INCH – 1,803 mm79 INCH – 2,007 mm
8.3 MLD TO 103.8 MLD PEAK FLOWS
CYCLOIDAL DRIVE DEVELOPED IN GERMANY
FOR TANKS AND U-BOATS DURING WWII
DRIVE TYPESCYCLOIDAL-HELICAL – IN-LINE
CYCLOIDAL-BEVEL – RIGHT-ANGLE SAVES HEIGHT/LENGTH
ALWAYS HAS 40% OF GEARS-ROLLERS
ENGAGED FOR 500% SHOCK LOADING
CAPABILITY
MEMBER OF AMERICAN GEAR
MANUFACTURERS ASSOCIATION (AGMA)
TORQUE RATINGS OF 1,774 TO 7,228 N-m
THRUST RATINGS OF 25,800 TO 75,520 N
TAPER GRIP BUSHING TO CONNECT REDUCER
TO SCREW CONVEYOR DRIVE SHAFT
STANDARD NEMA C-FACE STANDARD MOTOR
CAN USE ANY OTHER NEMA C-FACE MOTOR
MANUFACTURER
CYCLOIDAL-HELICAL
SPEED REDUCER
CAN TAKE 500%
SHOCK LOAD
WITHOUT DAMAGE
1.5, 2.2, OR 3.7 kW
NEMA
C-FACE
MOTOR
GAR-MAX®
CHARACTERISTICS APPLICATIONS GAR-MAX®
High Load Capacity
Excellent shock
resistance
Excellent
contamination
resistance
Excellent misalignment
resistance
Very Good friction and
wear properties
Good chemical
resistance
Steering linkages,
hydraulic cylinder
pivots, king pin
bearings, boom
lifts, scissor lifts,
cranes, hoists, lift
gates, backhoes,
trenchers, skid
steer loaders, front
end loaders, etc.
SLIDING LAYER
Continuous wound
PTFE and high-
strength fibers
encapsulated in an
internally
lubricated, high
temperature filled
epoxy resin.
BACKING
Continuous wound
fiberglass
encapsulated in a
high temperature
epoxy resin.
GARMAX MATERIALSELF-LUBRICATEDNON-METALLICNO CORROSION5K TO 10K HOUR LIFELOW COST – 145 $CDUAL SEALSSS WEAR SLEEVEWATER PRESSURIZEDFIELD REPLACEABLE BEARING HOUSING
WEATHER PROTECTION SYSTEMINDOOR OR OUTDOOR APPLICATIONSHEAT TRACINGREMOVABLE FRP COVER ALLOWS ACCESS TO HEAT TRACING AND WASH SYSTEM
ENCAPSULATED INSULATIONSTAINLESS STEEL HARDWAREEASY ASSEMBLY AND DISASSEMBLY
TEFLON BLANKETINSULATION BETWEEN INNER/OUTER LAYERVELCRO CONNECTIONS
DESIGN STANDARDSIEC – STANDARD
NEMA – OPTIONAL
cUL LABELED – STANDARD
MAIN CONTROL PANEL (MCP) ENCLOSURE OPTIONSNEMA 4/12 PAINTED STEEL – INDOORS NON EX-PROOF
NEMA 4X STAINLESS STEEL – OUTDOORS
NEMA 4X FRP – OUTDOORS
CONTROL LOGICMOELLER EASY RELAY 819 – STANDARD
ALLEN-BRADLEY MICROLOGIX 1100 OR 1400 PLC – OPTIONAL
RELAYS AND TIMERS – OPTIONAL
VFD WITH LINE REACTOR FOR SCREEN BENEFITSSOFT START
TRUE POWER OVERLOAD PROTECTION
DC INJECTION BRAKING FOR START-STOP OPERATION
STATUS INDICATION
TRANSIENT VOLTAGE SURGE SUPPRESSOR (TVSS)
DOOR-MOUNTED RUN TIMER FOR SCREEN DRIVE
MAIN CONTROL PANEL OPTIONS:WHITE FUSED EPOXY COATING FOR OUTDOOR APPLICATIONS
TO MINIMIZE HEAT BUILD-UP
DEADFRONT WITH WINDOW FOR SECURITY
UNINTERRUPIBLE POWER SUPPLY (UPS)
FLASHING ALARM LIGHT AND HORN
FLASHING ALARM LIGHT
LIGHTNING ARRESTOR
30-INCH SUPPORT STAND
INTERIOR LIGHT
CONVENIENCE OUTLET
WINDOW KIT FOR VFD
cUL LABEL FOR APPLICATION
OPERATOR LOCAL CONTROL STATION (LCS)
FOR EXPLOSION-PROOF ENVIRONMENTSHAND-OFF-AUTO SWITCHES FOR:
SCREEN
COMMON WASH SYSTEM SOLENOID VALVES (3)
FORWARD-OFF-REVERSE SWITCH FOR SCREEN
EMERGENCY-STOP PUSHBUTTON (RED)
CYCLE/RE-SET PUSHBUTTON (BLACK)
NEMA 4/7/9 CAST ALUMINUM ENCLOSURE
HOLD E-STOP PUSHBUTTON IN FOR 3
SECONDS TO RUN SCREEN THROUGH A
FULL CLEANING CYCLE
CLEANING CYCLE INITIATEDFLOAT SWITCHES – STANDARD
ULTRASONIC LEVEL SENSOR – OPTIONAL
MORE THAN 700 INSTALLATIONS
MOST COMPETING SCREENS ARE FABRICATED IN
EUROPE
RAPTOR® FINE SCREEN MADE IN NORTH AMERICA:CHARITON, IOWA – U.S.A.
PARTS AVAILABILITY
SERVICE AND REPAIR
ALL STAINLESS STEEL DESIGN – NO CORROSION
HEAVY-DUTY DESIGN WITH GREATER MATERIAL
THICKNESSES – MORE DURABLE
MACHINING OF ALL MATING SURFACES – LESS WEAR
HEAVY-DUTY DRIVE DESIGN
REPLACEABLE LOWER BEARING DESIGN WITHOUT
SCREEN DISASSEMBLY
2-STAGE SCREENINGS WASHING – CLEANER AND
DRIER SOLIDS
FACTORY PRE-PLUMBED AND PRE-WIRED WASH
SYSTEMS – LESS INSTALLATION COST
PREMIER WEATHER PROTECTION
TANK-MOUNTED OPTIONS
MULTIPLE CONTROL PANEL OPTIONS
DESIGN BASED ON PEAK FLOWOFFERED IN TEN (10) STANDARD MODELS
SG-6-1.0 – 3.79 MLDSG-7-2.5 – 9.46 MLDSG-8-4.0 – 15.14 MLDSG-10-7.0 – 26.50 MLDSG-11-9.5 – 35.96 MLDSG-12-12.0 – 45.42 MLDSG-14-16.0 – 60.57 MLDSG-18-30.0 – 113.56 MLDSG-20-50.0 – 189.27 MLDSG-24-70.0 – 264.98 MLD
DIAMETERS FROM 1.83 TO 7.32 METERS270-DEGREE OR 360-DEGREE CONFIGURATIONCARBON STEEL OR AISI TYPE 304 AND 316 STAINLESS STEEL CONSTRUCTION
ROTATING PADDLE/PROPELLERKEEPS ORGANICS IN SUSPENSION
ALLOWS HEAVIER GRIT TO BE CAPTURED AND SETTLE
PADDLE BLADE PITCH AND HEIGHT ARE ADJUSTABLE
0.56 TO 1.5 kW DRIVE ASSEMBLY
CAN BE PROVIDED WITH A VARIABLE FREQUENCY DRIVE FOR
ROTATIONAL SPEED ADJUSTMENT
RAPTOR® SPIRAGRIT REMOVES95% OF GRIT GREATER THAN 50-MESH (297 MICRON) IN SIZE
85% OF GRIT GREATER THAN 70-MESH (210 MICRON) IN SIZE
65% OF GRIT GREATER THAN 100-MESH (149 MICRON) IN SIZE
2.65 AND GREATER SPECIFIC GRAVITY PARTICLES
HEADLOSS IS GENERALLY LESS THAN 6 mm
GRIT FLUIDIZATION PRIOR TO PUMPINGGRIT STORAGE HOPPERSOLENOID VALVE OPENS PRIOR TO PUMPING
AIRWATER
GRIT PUMP TYPESAIRLIFT PUMP WITH BLOWER TO SUPPLY THE AIRDRY-PIT VORTEX PUMPSELF-PRIMING PUMP – RECOMMENDED
GORMAN-RUPP SUPER T SERIESHARD IRON CONSTRUCTIONBELT DRIVE FOR CONSTANT SPEED DESIGNDIRECT DRIVE FOR VARIABLE SPEED DESIGN10.7 TO 15.8 LITERS/SECOND TYPICAL RANGE2.2 TO 11.2 kW DRIVE ASSEMBLY DEPENDING UPON FLOW AND TOTAL DYNAMIC HEAD (TDH)
GRIT CLASSIFIERSTYPE “L” CLASSIFIERTYPE “W” CYCLONE-CLASSIFIER – RECOMMENDED
KREBS CYCLONEGRIT SEPARATION AND CONCENTRATIONREMOVES 90% OF THE WATER PRIOR TO CLASSIFIERREPLACEABLE NEOPRENE LINERS
CLASSIFIERDEWATERS THE GRIT CONCENTRATECARBON STEEL AND AISI TYPE 304 OR 316 STAINLESS STEEL CONSTRUCTIONSAME DIRECT DRIVE AS RAPTOR® FINE SCREENLINCORE 60-G HARD WELD ON THE SCREW FLIGHTS FOR WEAR RESISTANCE – 615 BRINELLSILICA SAND IS 570 BRINELLREMOVES 95% OF 150 MESH (100 MICRON) GRIT
HIGH GRIT REMOVAL EFFICIENCY
FLEXIBLE ORIENTATION OF THE SPIRAGRIT
FLEXIBLE GRIT PUMPING OPTIONS
SIMPLE GRIT CLASSIFICATION
DRY GRIT
LOW ORGANICS
SIMPLE MAINTENANCE
FLEXIBLE MATERIALS OF CONSTRUCTION
CONTROLS – SIMILAR TO RAPTOR® FINE SCREEN
FIRST UNIT INSTALLED IN 1934
FLORA, IL – STILL IN SERVICE
3,000+ SPIRAFLO CLARIFIER INSTALLATIONS
PROVEN HYDRAULICS – FULL SCALE TESTING
2 TO 4 TIMES MORE HYDRAULICALLY
EFFICIENT THAN CENTER-FEED CLARIFIERS
LOWER OVERALL INSTALLED COSTS
DESIGN BASED UPON LARGER OF:
PEAK HOUR FLOW
PEAK DAYS SOLIDS LOADING
INDEPENDENT TESTING
GIL-6 IOWA STATE FULL-SCALE TESTING
SCI-70 IOWA STATE PROTOTYPE STUDY
SCI-69 VERMONT STUDY
SCI-255 SOUTH KINGSTON, RI, STUDY
GIL-39 IOWA STATE SOLIDS CAPTURE
SCI-70 EWING-LAWRENCE, NJ STUDY
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
DY
E C
ON
CE
NT
RA
TIO
N,
mg/L
TIME, minutes
Center-Feed Clarifier Spiraflo Clarifier
Tm = 5.4 minTm = 24.0 min
Ta = 37.2 min
T = 48.7 min
Ta = 30.4 min
T = 48.7 min
T = Theoretical Detention Time, minutes
Ta = Time to Half-Area Ordinate, minutes
Tm = Time to Mode, minutes
NOTE: Curves are at a hydraulic loading rate of 33 m3/m2-day
PARAMETER RATIO
Diameter, meters
Sidewater Depth, m
Surface Area, m2
Volume, m3
Hyd. Loading, m3/m2-day
1.33
1.40
1.78
2.49
1.00
24.4
4.27
18.3
3.05
467 263
1,993 801
15.58 15.58
CENTER
FEED
SPIRAFLO
Theoretical Detention, min 394 285 1.38
0
20
40
60
80
100
120
140
160
0 5 10 15 20 25 35 40 45 50 55 60 65 70 75 80 85 90 100 110 120 135 150 165 180 195 210 240 270
TIME, minutes
DY
E C
ON
CE
NT
RA
TIO
N,
mg
/l
SPIRAFLO CENTERFEED
TIME TO PEAK
40 MINUTES
TIME TO PEAK
70 MINUTES
CENTER-FEED ACTUAL DETENTION TIME
90.4 MINUTES
SPIRAFLO ACTUAL DETENTION TIME
113 MINUTES
0
10
20
30
40
50
60
0 10 20 30 40 50 60 70
TS
S R
emoval,
%
Hydraulic Loading Rate, m3/m2-day
Center-Feed Clarifier Spiraflo Clarifier
EWING-LAWRENCE TOWNSHIP WWTF
MERCER COUNTY, NEW JERSEY
9 MONTH TSS REMOVAL STUDY
PRIMARY CLARIFIER PERFORMANCE
21.3 m CENTER-FEED CLARIFIERS
15.2 m SPIRAFLO CLARIFIERS
TESTING AT SAME HYDRAULIC LOADING RATE
SPIRAFLO CLARIFIERS REMOVED AN AVERAGE OF 21.6% MORE TSS
INFLUENT
RACE
TANK
SLUDGE SCRAPER
SKIRT
EFFLUENT
EFFLUENT LAUNDER
RAS OR SLUDGE
INFLUENT TROUGHSCUM SKIMMER
SKIRT IS NOT ROUND
TAPERS FROM WIDEST POINT AT THE INLET
TO THE NARROWEST POINT AT THE SCUM
DRAW-OFF PIPE
TAPER IS BASED UPON INFLUENT FLOW AND
RAS FLOW FOR SECONDARY CLARIFIERS
EFFLUENT LAUNDER WEIR LENGTH IS
BASED UPON SKIRT DESIGN
FOUR (4) MECHANISM TYPES
SLUDGE SCRAPER – RECOMMENDED
STRAIGHT BLADED – MOST COMMON
SPIRAL SCRAPER – RAPID SLUDGE REMOVAL
ROTATE THE SAME DIRECTION AS THE FLOW
SOLIDS AND FLOW MOVE IN THE SAME DIRECTION
MOVES SOLIDS TO SLUDGE PIT IN TANK CENTER
COVERS THE FLOOR AREA 2 TIMES PER REVOLUTION
HYDRAULIC REMOVAL – SIPHON
SUCTION HEADER WITH ORIFICES
MULTIPLE SUCTION PIPES WITH CONTROL VALVES
HYDRAULIC SLUDGE REMOVAL
HYDRAULIC HEAD DIFFERENTIAL – SIPHON
RAPID RETURN OF ACTIVE SOLIDS
MINIMIZES FLOATING SLUDGE
TWO (2) TYPES
DIRECT REMOVAL
SUCTION HEADER(S) WITH ORIFICES
CONTROLLED REMOVAL
INDIVIDUAL RISERS PIPES
FLOW CONTROL VALVES FOR EACH PIPE
COMMON SLUDGE WELL
SLUDGE PLOW BLADES
DIRECT SLUDGE FOR REMOVALSLUDGE
COLLECTION
WELL
SLUDGE VALVES SUCTION REMOVAL PIPES
95 TO 100% OF SCUM IS TRAPPED AND SKIMMED IN RACE
OPTIONAL SECONDARY SKIMMER DESIGNS
MOTORIZED FULL-SURFACE SKIMMER0.56 kW DRIVE
OPERATED MANUALLY OR ON A TIMED BASIS
DUCKING FULL-SURFACE SKIMMEROPERATES CONTINUOUSLY
CONNECTED TO SLUDGE SPRAPER OR HEADER
BOTH DESIGNS DISCHARGE INTO A SCUM PIPEMANUALLY ACTUATED
MOTORIZED WITH RAISE / LOWER LIMIT SWITCHES
CROSBY
STAMFORD
BAFFLE
610 mm
MC KINNEY
BAFFLE
MID-RADIUS
BAFFLE
FLOC WELLENERGY
DISSIPATION
FEEDWELL
HIGHER EQUIPMENT COST FOR SPIRAFLOINCLUDES EFFLUENT LAUNDERS
INCLUDES EFFLUENT WEIRS
TOTAL INSTALLED COST ≤ CENTER-FEED
CLARIFIER
CENTER-FEED COST CONSIDERATIONSCLARIFIER EQUIPMENT
EFFLUENT LAUNDER CONSTRUCTION
WEIRS AND SCUM BAFFLES
HYDRAULIC BAFFLING
ENERGY DISSIPATION FEEDWELL OR FLOCWELL
ADDITIONAL BURIED PIPING
CIRCULAR TANK ONLY:
NO CONCRETE WEIR
TROUGHS
NO DEEP BURIED
INFLUENT PIPE
INCLUDES BYPASS
STRUCTURE
NO SPECIAL BAFFLES
INCLUDES EFFLUENT
TROUGH AND WEIRS
3,000+ INSTALLATIONS SINCE 1934
HANDLES PEAK FLOWS MORE EFFICIENTLY
PRODUCES THE HIGHEST QUALITY EFFLUENT
MULTIPLE SLUDGE WITHDRAWAL OPTIONS
PROVIDES POSITIVE SCUM REMOVAL
DOES NOT REQUIRE SPECIAL BAFFLES
DOES NOT REQUIRE SPECIAL FEED WELLS
DOES NOT REQUIRE FLOCCULATION WELLS
LOWER TOTAL INSTALLATION COST
10-YEAR DRIVE WARRANTY
COMMONLY CALLED THE “OXIDATION DITCH”
LAKESIDE INTRODUCED TO NORTH AMERICA
2,000+ INSTALLATIONS SINCE 1964
PRESENTED DESIGNS FOR 5 AND 10 MLD ONLY
KENNEDY-JENKS ENGINEERS STUDY COMPARED
FOUR (4) COMMON TREATMENT PROCESSES IN
THE STATE OF WASHINGTON:
OXIDATION DITCHES
STABILIZATION PONDS
SEQUENCING BATCH REACTORS (SBR)
CONVENTIONAL ACTIVATED SLUDGE
STUDY CONCLUDED THAT OXIDATION DITCHES:
REQUIRED LESS LAND AREA DUE TO LESS SOLIDS
TREATMENT REQUIRED
ROUTINELY PRODUCED A BETTER EFFLUENT QUALITY
REQUIRED LESS ELECTRICAL ENERGY
REQUIRED LESS LABOR AND OPERATING BUDGET COST
PRODUCED LESS WASTE SLUDGE (SOLIDS)
HAVE A LOWER CAPITAL (CONSTRUCTION) COST
STANDARD DESIGN - PROPOSAL
DUAL REACTORS
MAGNA ROTOR AERATORS
OXYGEN DELIVERY
MIXING
MEET OXYGEN AND MIXING WITH ONE UNIT OUT OF SERVICE
LEVEL CONTROL WEIRS
PROVIDE MAGNA ROTOR BLADE IMMERSION VARIATION
VARIABLE OXYGEN TRANSFER TO MEET PROCESS REQUIREMENTS
VELOCITY CONTROL BAFFLES
ROTOR COVERS
MINIMIZE HEAT LOSS DURING THE WINTER
PROVIDE SPRAY AND SPLASH CONTROL
TOTAL NITROGEN REMOVAL - OPTIONAL
CYCLIC AEROBIC AND ANOXIC PHASES
AEROBIC – DISSOLVED OXYGEN RANGE OF 0.5 TO 2.0 mg/l
ANOXIC – DISSOLVED OXYGEN RANGE LESS THAN 0.5 mg/l
MAGNA ROTORS PROVIDE OXYGEN/MIXING DURING
AEROBIC PHASE
ADD SUBMERSIBLE MIXERS FOR MIXING DURING ANOXIC
PHASE
REACTORS ARE CYCLED BETWEEN
AEROBIC CONDITIONS – BOD5 AND NH3-N REMOVAL
ANOXIC PHASE - NO3-N IS CONVERTED TO N2 GAS
N2 GAS IS RELEASED TO THE ATMOSPHERE
OXYGEN IS RECOVERED – UP TO 25% POWER SAVINGS
TOTAL PHOSPHORUS REMOVAL
ADD ANAEROBIC SELECTOR(S) PRIOR TO CLR
TANKS
ANAEROBIC – NO OXYGEN AND NO NITRATES (NO3)
ADD SUBMERSIBLE MIXERS FOR MIXING
SOLUBLE PHOSPHORUS IS RELEASED IN THE
ANAEROBIC TANKS
SOLUBLE PHOSPHORUS ABSORBED DURING
AEROBIC CONDITIONS IN THE CLR TANKS
PHOSPHORUS IS REMOVED IN THE WASTE SLUDGE
MAGNA ROTORS
LENGTH – 1.5 TO 9.1 m (5 TO 30 FEET)
ROTATIONAL SPEED – 37 TO 72 REV/MIN
ACHIEVED WITH VARIABLE SPEED DRIVES (VFDs)
CONSTANT SPEED DRIVES ARE OPTIONAL
IMMERSION – 127 TO 381 mm (5 TO 15 INCHES)
ADJUSTMENT PROVIDED BY LEVEL CONTROL WEIR
OXYGEN TRANSFER
1.01 kg O2/meter AT 37 REV/MIN AND 127 mm IMMERSION
9.82 kg O2/meter AT 72 REV/MIN AND 381 mm IMMERSION
9.7-TO-1 OXYGEN DELIVERY RATIO
BULK LIQUID VELOCITY OF 0.3 TO 0.6 m/sec (1 TO 2 ft/sec)
MAGNA ROTORS
BLADES
AISI TYPE 304 STAINLESS STEEL
10 GAUGE THICKNESS
1,067 mm (42-inch) DIAMETER
76 mm (3 inch) WIDE
CAN TAKE A 113 kg (250 lb) SHOCK LOAD WITHOUT
DEFORMATION
TWELVE (12) BLADES PER STAR ASSEMBLY
TWO (2) STAR ASSEMBLIES PER 0.3 m (1 ft) OF LENGTH
TWO (2) AISI TYPE 304 STAINLESS STEEL BOLTS WITH
SILICON BRONZE LOCKNUTS PER BLADE
COMPRESSION FIT ON THE TORQUE TUBE
MAGNA ROTORS
TORQUE TUBE
UP TO 9.1 m (30 ft) IN LENGTH
356 mm (14-in.) DIAMETER
9.5 mm (3/8-in.) MINIMUM WALL THICKNESS
DRIVE AND TAIL END FLANGED STUB SHAFTS
BEARINGS
RELIANCE-DODGE – DESIGNED BY LEC – STOCK
TAIL END BEARING – EXPANSION-TYPE
DRIVE END BEARING – FIXED TYPE
AFBMA L10 THEORETICAL LIFE > 100,000 HOURS
LUBRICATE EVERY TWO (2) MONTHS
ALUMINUM SPLASH PLATES AND FRAMES
MAGNA ROTORS
DRIVE ASSEMBLY
SPEED REDUCER
RELIANCE DODGE – TORQUE ARM II DESIGN
AGMA CLASS II SERVICE FACTOR – 1.4 S.F.
CHANGE OIL 3 TIMES PER YEAR OR USE SYNTHETIC
V-BELT AND SHEAVE DRIVE
ALUMINUM OR STAINLESS STEEL BELT GUARD
MOTORS
MOUNTED ON AN ADJUSTABLE BASE
1.15 SERVICE FACTOR
TEFC – INVERTER-DUTY RATED
VELOCITY CONTROL BAFFLES
ARE USED TO ADJUST MIXING VELOCITY
INFINITELY ADJUSTABLE FROM 15 TO 60 DEGREES
ROTOR COVERS
FIBERGLASS CONSTRUCTION
0.91, 1.22, AND 1.52 m (3,4, OR 5 ft) WIDTHS
EACH SECTION OPENS TO ALLOW ROTOR ACCESS
FROM THE BRIDGE
EASY OPERATOR ACCESS
DRY AND CLEAN AREA
CAN USE PORTABLE CRANE TO:
CHANGE MOTOR
CHANGE REDUCER
CHANGE BEARING
CHANGE STUB SHAFT
PROVEN PERFORMANCE
MORE THAN 2,000 INSTALLATIONS
SIMPLE PROCESS OPERATION
ADVANCED TREATMENT AT A BUDGET PRICE
ENERGY EFFICIENT MAGNA ROTORS
LOW MAINTENANCE
EASILY UPGRADABLE IN THE FUTURE
PROCESS CONTROLS AND INSTRUMENTATION