| Structure (UEN type, UET type)
UEN type
| | Part name | | 1 | Casing | | 2 | Suction cover | | 4 | Impeller | | 6 | Liner ring | | 10 | Bearing bracket | | 11 | Front bearing cover | | 12 | Rear bearing cover | | 14 | Gland | | 15 | Shaft | | 16 | Impeller spacer | | 17 | Sleeve | | 18 | Seal ring | | 191 | Impeller nut | | 192 | Impeller nut | | 201 | Impeller washer | | 202 | Spring washer | | 21 | Ball bearing | | 22 | Ball bearing | | 231 | Stop ring | | 232 | Stop ring | | 25 | Gland packing | | 27 | Deflector | | 27-1 | O-ring | | 28 | Impeller key | | 29 | Coupling key | | 30 | Casing packing | | 31 | Gland bush | | 32 | O-ring | | 33 | O-ring | | 35 | Oil level gauge | | 361 | Bearing packing | | 362 | Bearing packing | | 37 | Oil cap | | 39 | Sleeve packing | | 40 | Sleeve key | | 41 | Pan (Option) | | 42 | Bearing nut | | 43 | Bearing washer | | 442 | Support ring | | 47 | V-ring | | 48 | O-ring |
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 |  |  | | Nut type | Cap-nut type | Shaft-seal type |
Shaft seal
Gland packing
External flushing type is used for contaminated water pumping or suction pumping. | Non-External-Flushing Mechanical Seal
No need of external sealing water and applicable to any kind of liquid. |  |  | Mechanical seal
Various types of mechanical seals can be installed. | Mechanical seal (oil bath)
Oil-bath lubrication allows dry operation. |  |  |
| We can also provide double mechanical seals. |
Materials
| Part name | Material code | | A | F | X | Y | N | R | | Casing | FC200 | FC200 | SCS13 | SCS14 | YST130N | CCR10 | | Impeller | FC200 | SCS13 | SCS13 | SCS14 | YST130N | CCR10 | | Shaft | S45CH | SUS304 | SUS304 | SUS316 | SUS316 | SUS304 |
| Special material products are manufactured internally in a thoroughly continuous process from casting under complete material and heat-treatment control. |
| 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. |
UET type: High corrosion and wear resistance type for high density slurry
The front and rear plates (wear resistant plates) are installed to protect the casing.
| Specification: | Economical selections can be made from a wide variety of models similar to the UEN type. |
| Performance: | Impeller configuration can be selected depending on use. |
| Material: | A wide variety of materials, such as YOKOTA's corrosion and wear resistant special stainless steel casting (YST), are available. |
| Construction: | Wear resistant plates are installed for handling high density slurry. |
| Shaft seal: | Gland packing, mechanical seals and Non-External-Flushing Mechanical Seals can be selected depending on use. |
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