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Double Suction Volute Pump
HD type
Horizontally split type with optional self-priming capability
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Wide range of use
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With high efficiency and low NPSHreq., stable operation is secured over
a wide range of total head and capacity.
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Easy maintenance
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Casing is horizontally split and inner parts can be inspected by removing
only the upper cover without disassembling piping and bearings.
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Large selection of materials
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A wide variety of materials are available, including FC, SCS and YOKOTA's corrosion and wear resistant special stainless steel casting (YST), to meet the needs of various kinds of liquid.
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Enhanced self-priming is also possible (Optional)
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By interlocking the unique vacuum pump with a water-air separating mechanism
(PAT.), self-priming even with suction piping across an embankment is possible,
which enables automatic pumping operation.
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Applications
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Industrial water supply
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Waterworks, Sewage
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Agricultural irrigation
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Cooling water circulation
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General water supply/drainage
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Other
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Example applications and installations
Automatic operation system with enhanced self-priming |
For details, please refer to "Current Topics: Seawater Intake".
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Structure
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Part name
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1
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Volute cover
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2
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Volute casing
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3
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Upper bearing case
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4
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Lower bearing case
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5
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Bearing cover
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6
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Impeller
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7
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Liner ring
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8
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Shaft
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9
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Spacer
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10
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Sleeve
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11
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Sleeve nut
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12
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Gland packing
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12-1
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Mechanical seal
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13
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Gland
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13-1
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Mechanical seal cover
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14
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Seal ring
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15
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Bearing
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16
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Bearing nut
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17
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Deflector
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Selection chart & Outer dimensions
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Selection chart
HD type
Model number explanation
XXXX-##@@-xP (**)
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XXXX
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: Pump type
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##
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: Suction/Discharge bore (cm)
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@@
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: Head classification
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xP
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: Electric motor pole number (2P, 4P, 6P, other)
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(**)
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: Electric motor output power (kW) at maximum performance (using normal
water at normal temperature)
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Note:
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HS and HSX types shown in the above selection chart are Horizontally Split
Single Suction Centrifugal Pumps. For the structure and outer dimensions,
please inquire.
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We manufacture models other than the ones shown in the selection chart
upon request.
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Electric motor output shows required power when usage point is on the selection
chart curve with normal water at normal temperature. If usage point is
below the curve, please contact us.
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Outer dimensions
HD type
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Model No.
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Bore
Suction/
Discharge
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Pump
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Weight
(kg)
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Motor
(Reference)
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Base plate
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A
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B
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C1
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C2
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D
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E
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F
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H
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n
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Frame
No.
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G
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J
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K
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N
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L
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M
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R
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P
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Z-d
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HD-2010
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200/200
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360
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440
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195
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195
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185
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370
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300
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245
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4
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280
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180L
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685
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55
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150
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1000
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1300
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460
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500
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115
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4-19
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-2030
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200/150
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465
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555
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180
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180
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170
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360
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320
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210
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4
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350
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180L
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685
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40
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200
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1000
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1400
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550
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600
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150
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4-23
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-2040
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200/150
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445
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560
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210
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230
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190
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390
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360
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260
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4
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380
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225S
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815
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-20
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250
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1200
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1700
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700
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750
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150
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4-23
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-2050
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200/150
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570
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692
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260
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290
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190
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440
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400
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315
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4
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360
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225S
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815
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115
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150
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800
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1900
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740
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800
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180
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6-23
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-2070
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200/100
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495
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610
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210
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260
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170
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410
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350
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275
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4
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430
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250M
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970
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-20
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250
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1200
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1700
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600
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650
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150
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4-23
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-2520
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250/200
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478
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602
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230
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230
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200
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450
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350
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260
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4
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490
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225S
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815
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5
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250
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1100
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1600
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650
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700
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150
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4-23
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-2540
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250/200
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520
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602
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265
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230
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190
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320
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450
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300
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4
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490
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280M
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1080
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30
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250
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1200
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1700
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600
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650
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150
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4-23
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-2550
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250/200
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551
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655
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270
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270
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220
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470
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380
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305
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4
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460
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280M
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1080
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190
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150
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800
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1900
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740
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800
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180
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6-23
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-2560
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250/150
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595
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703
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300
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300
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205
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470
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420
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358
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4
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510
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355M
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1800
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150
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200
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900
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2200
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740
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800
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180
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6-23
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-3030
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300/250
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520
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600
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230
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230
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200
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450
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350
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310
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4
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480
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315L
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1250
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115
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150
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750
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1800
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640
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700
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170
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6-23
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-3060
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300/250
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553
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688
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270
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270
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230
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400
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480
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360
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5
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720
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355L
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1800
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170
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200
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900
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2200
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740
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800
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180
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6-23
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-3080
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300/250
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640
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765
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300
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300
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200
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500
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450
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390
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5
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740
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355L
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1800
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120
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250
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1100
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2700
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840
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900
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230
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6-25
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-3160
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300/200
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600
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725
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325
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365
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200
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620
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510
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510
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5
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1210
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500
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1650
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90
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300
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1200
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3000
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1030
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1100
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285
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6-27
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-3540
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350/300
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660
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800
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310
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310
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280
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580
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450
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350
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5
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1200
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355L
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1800
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220
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200
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1100
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2600
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840
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900
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230
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6-25
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-3550
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350/250
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570
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695
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270
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320
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180
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520
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450
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365
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5
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1100
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355L
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1800
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30
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300
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1100
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2800
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890
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950
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230
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6-25
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-4030
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400/300
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690
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815
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310
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310
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270
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570
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480
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410
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5
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1150
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315L
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1250
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220
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200
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900
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2200
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840
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900
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180
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6-23
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-4050
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400/300
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665
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800
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350
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350
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250
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550
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650
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520
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5
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1100
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315L
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1250
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200
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250
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1000
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2500
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840
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900
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210
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6-23
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-5008
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500/450
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690
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815
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345
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345
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300
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560
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700
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450
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5
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1200
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315L
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1250
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280
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200
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950
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2300
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940
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1000
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210
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6-23
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-5015
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500/450
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830
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952
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480
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480
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320
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950
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650
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580
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5
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1800
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355L
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1800
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365
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300
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900
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3300
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1080
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1150
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280
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8-27
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-5050
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500/450
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709
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883
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430
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450
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380
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775
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550
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490
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5
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2000
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355L
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1800
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270
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200
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700
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2500
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1040
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1100
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230
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8-25
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-5060
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500/450
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897
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1071
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500
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500
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320
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900
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700
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635
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6
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3000
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450S
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2100
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265
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350
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1000
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3700
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1130
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1200
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280
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8-27
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-6060
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600/500
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885
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1075
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490
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540
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400
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900
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650
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680
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6
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3000
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450S
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2100
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265
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350
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1000
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3700
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1250
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1320
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280
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8-27
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-7040
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700/600
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1023
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1200
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570
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630
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420
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1100
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800
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690
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6
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3900
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450S
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2100
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365
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325
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1050
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3800
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1730
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1800
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280
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8-27
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-8080
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800/600
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980
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1200
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630
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700
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500
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1200
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850
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802
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6
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4800
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500L
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2300
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315
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300
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775
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3700
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1700
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1630
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300
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10-34
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Note:
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Outer dimensions refer only to electric motors at maximum motor output,
therefore there may be differences in outer dimensions. For details on
related dimensional outline drawings, please contact us.
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For information on the automatic operation system using our enhanced self-priming
method, please contact us. We design and manufacture the control system
in accordance with operational conditions.
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Specifications stated here may be subject to change without notice due
to product improvement.
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