Consumable Parts - EBARA 25EVMS85.37 Instruction Manual

3. Consumable parts

(1) Replace the parts according to the conditions shown in the table below.
Consumable
O-ring
part
Every time
Replacement
pump is
condition
disassembled
Replacement

interval
The replacement intervals shown above are as guide line for normal operation.
(2) A table of dimensions for consumable parts is shown below.
O-ring
Part name
Pump size
25,32
40,50
Cartridge mechanical seals
Pump Frequency
Mechanical seal
size Hz
50 12×16F－25k
25
60 12×16F－25k
50 12×16F－25k
32
60 12×16F－25k
50 16×20F－25k
40
60 16×20F－25k
50 16×20F－25k
50
60 16×20F－25k
Sealed ball bearings (inside motor)
P a r t n a m e
Motor output (kW)
0.37
0.55
0.75
1.1
1.5
2.2
3.0
4.0
5.5
7.5
11
15
18.5
Pump interior
Mechanical seal
Large amount If noise or vibration
of leakage becomes severe
Once per year
Once per year or
(depending on use
every 8,000 hours
conditions)
For outer casing

5.34×129.54
(Sheet gasket)

5.34×164.46
(Sheet gasket)
Pump interior bearings
Part name
Bearing
Sleeve
Pump size
25
 
12× 16×10
32
40
 
16× 20.5×14.4
50
Sealed ball bearings
Load side Opposite side
6203 ZZ C3 6203 ZZ C3
6203 ZZ C3 6203 ZZ C3
6204 ZZ C3 6204 ZZ C3
6204 ZZ C3 6204 ZZ C3
6205 ZZ C3 6304 ZZ C3
6205 ZZ C3 6304 ZZ C3
6207 ZZ C3 6305 ZZ C3
6207 ZZ C3 6305 ZZ C3
6308 ZZ C3 6306 ZZ C3
6308 ZZ C3 6306 ZZ C3
6310 ZZ C3 6208 ZZ C3
6310 ZZ C3 6208 ZZ C3
6310 ZZ C3 6208 ZZ C3
- 19 -
Sealed ball bearing
bearings
・Large or abnormal noises occur
・Grease leaks out
Once every 2 - 3 years
(depending on use conditions or
every 10,000 hours.)
For flange
Not applied
Not applied
Intermediate casing for bearings
EVMS
5×21B1-30.6-304
5×28B1-33.3-304
7×30B1-48-304
7×40B1-48-304
Grease
Lithium heat
resistant grease
EBARA
EVMS/EVMSL
EVMSL
5×21B1-27.1-316
5×28B1-33.3-316
7×30B1-48-316
7×40B1-48-316
CORPORATION