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For force pumping with high performance and easy operation:
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UEN type
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For high density slurry:
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UET type
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Non-clogging impeller:
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YNC type
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Outstanding pumping performance
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This single-suction, single-stage centrifugal pump displays outstanding
pumping performance in a wide range of specifications.
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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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Construction that can meet a wide range of specifications
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Standard constructions include semi-open impellers for small pumps and
closed impellers for medium and larger pumps.
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The impeller has been improved to form ideal blades for high efficiency.
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An oil bath lubrication system is adopted for bearings.
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Maintenance is easy to perform because construction is simple and the number
of parts in the water passage section is minimized.
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Stable quality
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All special material products are manufactured internally in a continuous
process to ensure stable quality.
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Applications
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Chemical industry:
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Acids, Alkaline liquids, Solvents, Slurry liquids, other
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Food industry:
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Brewery, Sugar refining, other
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Mining industry:
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Seawater, Slurry liquids, other
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Paper industry:
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Pulp, Effluent, White water, Black water, other
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Electric power:
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Exhaust gas desulfurizer (Limestone slurry pumps, other), Seawater, Water
treatment, other
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Electronic industry:
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Ultra-pure water manufacturing devices, Acidic waste water, Polishing waste
water treatment, other
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Aquarium, Fish farming:
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Seawater suction, Circulation pumps, other
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Others:
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Hot springs, Hot oil, other
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Example applications and installations
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Seawater pump UEN type made of YST Alloy
operating at seawater treatment plant
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Slurry pump UET type made of YST Alloy
operating at power plant
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For details of the YOKOTA YST Alloy, please refer to Special Stainless Steel YST series, Seawater Resistant Stainless Steel YST130N.
This is a non-self-priming type pump for force pumping.
For self-priming type (for suction pumping) with similar specifications,
please refer to Self-Priming Centrifugal Pump UHN series.
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Structure
UEN type
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Nut type
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Cap-nut type
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Shaft-seal type
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| Part name |
Part name |
Part name |
Part name |
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1
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Casing
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18
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Seal ring
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27-1
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O-ring
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39
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Sleeve packing
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2
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Suction cover
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191
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Impeller nut
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28
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Impeller key
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40
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Sleeve key
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4
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Impeller
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192
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Impeller nut
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29
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Coupling key
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41
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Pan (Option)
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6
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Liner ring |
201
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Impeller washer
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30
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Casing packing
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42
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Bearing nut
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10
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Bearing bracket
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202
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Spring washer
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31
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Gland bush
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43
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Bearing washer
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11
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Front bearing cover
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21
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Ball bearing
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32
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O-ring
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44
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Support ring
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12
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Rear bearing cover
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22
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Ball bearing
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33
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O-ring
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47
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V-ring
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14
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Gland
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231
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Stop ring
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35
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Oil level gauge
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48
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O-ring
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15
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Shaft
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232
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Stop ring
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361
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Bearing packing
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16
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Impeller spacer
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25
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Gland packing
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362
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Bearing packing
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17
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Sleeve
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27
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Deflector
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37
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Oil cap
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Shaft seal
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Gland packing
External flushing type is used for contaminated water
pumping or suction pumping.
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Non-External-Flushing Mechanical Seal
No need of external sealing water and applicable to any kind of liquid.
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Mechanical seal
Various types of mechanical seals can be installed.
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Mechanical seal (oil bath)
Oil-bath lubrication allows dry operation.
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We can also provide double mechanical seals.
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Materials
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Part name
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Material code
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F
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X
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Y
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N
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R
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Casing
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FC200
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SCS13
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SCS14
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YST130N
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CCR10
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Impeller
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SCS13
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SCS13
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SCS14
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YST130N
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CCR10
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Shaft
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SUS304
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SUS304
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SUS316
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SUS316
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SUS304
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Special material products are manufactured internally in a thoroughly continuous
process from casting under complete material and heat-treatment control.
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YOKOTA's corrosion and wear resistant special stainless steel casting (YST)
has been adopted for anti-pollution devices, seawater pumps, and other
pumps, acquiring highly reputable results.
For details, please refer to Special Stainless Steel YST series.
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UET type:
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High corrosion and wear resistance type for high density slurry
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The front and rear plates (wear resistant plates) are installed to protect
the casing. |
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Specification:
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Economical selections can be made from a wide variety of models similar
to the UEN type.
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Performance:
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Impeller configuration can be selected depending on use.
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Material:
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A wide variety of materials, such as YOKOTA's corrosion and wear resistant
special stainless steel casting (YST), are available.
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Construction:
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Wear resistant plates are installed for handling high density slurry.
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Shaft seal:
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Gland packing, mechanical seals and Non-External-Flushing Mechanical Seals
can be selected depending on use.
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YNC type:
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Impeller is non-clogging type
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Selection chart & Outer dimensions
Specifications stated here may be subject to change without notice due
to product improvement.
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