MARINE VERTICAL CENTRIFUGAL PUMPS
Pumps of type family CG are constructed as single stage vertical centrifugal pumps. They are designed as general purpose ship’s engine room pumps i.e. for delivery of sea water, fresh water, bilge water and similar media.
Capacity – Q…………………………………..Delivery height – H
10 – 350 m3/h…………………………………….10 – 140 m
350 – 1500 m3/h………………………………….10 – 40 m
-
PUMP CONSTRUCTION FEATURES
- “in-line” inlet and outlet flanges
- radialy split pump casing
- mechanical seal on shaft
DISTINCTIVE ATTRIBUTES
- easily accessible pump rotor assembly, without removal of pump from pipeline or removal of electric motor
- simple and proven pump design
- selfpriming with air ejector SUE 26 or mechanically driven vacuum pump VK20
SEALING
- Mechanical seal by SAELOL / CRANE
BEARINGS
- Ball bearings by SKF
COUPLING
- Coupling with spring discs and spacer
MATERIALS
- Casing – Bronze, Ni-Al bronze, Grey cast iron, Nodular cast iron
- Impeller – Bronze, Ni-Al bronze, Stainless steel
- Shaft – Stainless steel
CHARACTERISTICS CURVES
MEASURE SKETCH
|
PUMP TYPE
|
SUCTION FLANGE
|
DISCHARGE FLANGE
|
DIMENSIONS
|
||||||||||
|
DN
|
OD
|
BCD
|
d
|
X
|
DN
|
OD
|
BCD
|
d
|
X
|
A
|
B
|
C
|
|
|
CGA 50
|
65
|
185
|
145
|
18
|
4
|
50
|
165
|
125
|
18
|
4
|
420
|
195
|
578
|
|
CGA 65
|
80
|
200
|
160
|
18
|
4
|
65
|
185
|
145
|
18
|
4
|
420
|
196
|
584
|
|
CGB 80
|
100
|
220
|
180
|
18
|
8
|
80
|
200
|
160
|
18
|
4
|
450
|
218
|
643
|
|
CGB 100
|
125
|
250
|
210
|
18
|
8
|
100
|
220
|
180
|
18
|
8
|
450
|
224
|
657
|
|
CGC 125
|
150
|
285
|
240
|
22,5
|
8
|
125
|
250
|
210
|
18
|
8
|
500
|
247
|
744
|
|
CGC 150
|
200
|
340
|
295
|
22,5
|
8
|
150
|
285
|
240
|
22,5
|
8
|
560
|
260
|
768
|
|
CGD 200
|
250
|
395
|
350
|
22,5
|
12
|
200
|
340
|
295
|
22,5
|
8
|
630
|
322
|
960
|
|
CGD 250
|
300
|
445
|
400
|
22,5
|
12
|
250
|
395
|
350
|
22,5
|
12
|
710
|
372
|
1010
|
|
CGE 300
|
350
|
505
|
460
|
22,5
|
16
|
300
|
445
|
400
|
22,5
|
12
|
800
|
480
|
1247
|
|
CGE 350
|
400
|
565
|
515
|
26,5
|
16
|
350
|
505
|
460
|
22,5
|
16
|
900
|
550
|
1317
|
PUMP CROSSECTION
| POS | PART NAME |
QTY |
| 2 | Pump casing | 1 |
| 4 | Cover | 1 |
| 6 | Impeller | 1 |
| 8 | Shaft key | 1 |
| 10 | Casing wear ring | 2 |
| 12 | Shaft sleeve | 1 |
| 13 | Plug | 1 |
| 14 | Shaft | 1 |
| 16 | Shaft nut | 1 |
| 18 | Shaft sleeve | 1 |
| 20 | Mehanical sleeve | 1 |
| 22 | Ring | 1 |
| 24 | Bearing cover | 1 |
| 26 | Bearing casing | 1 |
| 28 | Circlip | 1 |
| 30 | Bearing sleeve | 1 |
| 32 | Bearing | 1 |
| 34 | Bolt guide | 16 |
| POS | PART NAME |
QTY |
| 36 | Bolt | 16 |
| 38 | Lamel | X |
| 40 | Washer | 8 |
| 42 | Connecting peace | 1 |
| 44 | Motor coupling | 1 |
| 46 | Ring | 2 |
| 48 | Seal | 1 |
| 50 | Seal | 1 |
| 52 | Lubricator | 2 |
| 54 | Lubricator | 1 |
| 58 | Drain plug | 1 |
| 60 | Drain plug | 1 |
| 62 | Lubricating pipe | 1 |
| 64 | Connection | 2 |
| 68 | Plug | 4 |
| 70 | Plug | 6 |
| 72 | Pump pedastal | 1 |
| 74 | Motor carrier | 1 |