The pump casing and outer frame of motor are combined by flange joint as one unlt, impeller and inducer are fitted to lower shaft end and rotor core of motor is shrink fitted on the middle of shaft．
The rotor complete is supported by 2 sets of ball bearings provided at upper and lower ends of the motor．
Special consideration is paid to the thrust force for the ball bearing by means of drain hole on the pump casing for single stage and symmetrical arrangement of impeller for two stages etc．
Furthermore, the most suitable material considering cold brittleness is used．
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PART
NO. | NAME OF PART | MATERIAL | REQ. NO. | |
NAME | JIS | STAGE |
1 | PUMP CASING | AL ALLOY CASTING | AC4C-T6 | 1 | 2 |
2 | SUCTION COVER | AL ALLOY CASTING | AC4C-T6 | 1 |
5 | VOLUTE | AL ALLOY CASTING | AC4C-T6 | 1 |
15 | INDUCER | AL ALLOY CASTING | AC4C-T6 | - | 2 |
16 | IMPELLER | AL ALLOY CASTING | AC4C-T6 | 1 |
24 | SLEEVE | STAINLESS STEEL | SUS304 | 1 | 2 |
26 | SLEEVE | LEAD BRONZE | CAC604 | 1 |
38 | MOUTH RING | LEAD BRONZE | CAC604 | 1 |
42 | BUSH | CARBON | - | 2 |
47 | SUCTION STRAINER | STAINLESS STEEL | SUS304 | 1 |
50 | DISCHARGE COVER | AL ALLOY CASTING | AC4C-T6 | 1 |
92 | SELF CLEANING FILTER | STAINLESS STEEL | SUS304 | 1 |
101 | OUTER FRAME | AL ALLOY CASTING | AC4C-T6 | 1 |
102 | INNER FRAM | AL ALLOY CASTING | AC4C-T6 | 1 |
103 | FRAME COVER | AL ALLOY | A6061FH-T6 | 1 |
104 | FRAME COVER | AL ALLOY | A6061FH-T6 | 1 |
105 | STATOR CORE | SILICON STEEL | - | 1 |
106 | ROTOR CORE | SILICON STEEL | - | 1 |
107 | STATOR COIL | COPPER | - | 1 |
108 | LEAD WIRE | TEFLON，COPPER | - | 1 |
111 | SHAFT |
STAINLESS STEEL
or 9% Ni STEEL |
SUS304
- | 3 |
112 | BALL BEARING | STAINLESS STEEL | SUS440C | 1 |
123 | BEARING CASE | STAINLESS STEEL | SUS630 | 2 |
124 | BEARING CASE | STAINLESS STEEL | SUS630 | 1 |
140 | TERMINAL BOX | AL ALLOY CASTING | AC4C−T6 | 1 |
157 | BALANCE SEAT | LEAD BRONZE | CAC604 | 1 |
| 1 |
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