WATER EJECTORS

Water ejectors are vacuum pumps, driven by a high pressure water (or similar medium) or steam. They use kinetic energy of the driving medium to suck in gases, vapors or other liquids and then discharge the resultant mixture against a counter pressure.

Turbine Works manufactures water ejectors for industrial and marine purposes.

Ejectors are simple in design and reliable in operation since they don’t have movable parts like stadanrd pumps. Major parts of an ejector are a inlet casing, nozzle, mixing chamber and diffuser. Since there are no moving parts, no lubrication is necessary and maintenance is minimal. Ejectors are self-priming and easily activated by simply turning on the flow of the driving water.

Water ejectors depending on application can be manufactured out of various materials ranging from bronze, steel, stainless steel with nozzels usualy being made out of hi grade stainless steel or monel.

Ejector defining paramters are:

WATER EJECTOR ESH 65-65-80

Qs – Suction capacity
Hd – Delivery head
Hs – Suction lift
Qd – Driving medium consumption
Pd – Driving medium pressure at ejector inlet

Follow this link to se these on a installation schematic for better understanding!

.

MARINE WATER EJECTORS

INLET CASING WITH NOZZLE

Due to their excellent suction capability and reliebility, water ejectors are frequently used for marine applications shuch as:

  • Ballast stripping ejector
  • Bilge stripping ejector
  • Chain locker ejector
  • Sewage (black) water vacuum suction
  • Misc. other applications
.

Their above applications and size which can vary from 50 cm to more than few meters, make them significant part of ship’s engine room equipment.

Below is the table with TTK standard water ejectors and their most typical driving parameters. Please contact us for your exact requirements.

BALLAST EJECTOR ESHv 250-300-350

CROSSECTION

EJEKTOR
TYPE
MAIN DIMENSIONS
Weight
PARAMETERS
A
B
C
L
H
M
Qs
Hd
Hs
Qd
Pd
mm
mm
mm
mm
mm
mm
kg
m3/h
mwc
mwc
m3/h
bar
ESH 40-40-50
40
40
50
433
89
93
18
3,9
15
6
6,85
7
ESH 50-50-80
48
50
77
680
120
120
21
15
13
7
27
7
ESH 65-65-80
65
65
80
776
125
95.5
33
9,2
7,5
3
10
11
ESH 100-100-125
100
100
90
865,5
155
113
46
28
10
3
31
6
ESH 100-125-125
100
125
122
1002
170
116,5
70
100
15
3
113
7
ESHv 40-40-50
40
40
50
433
89
93
18
5,7
18
5
6,6
10
ESHv 40-50-65
40
50
65
690
125
95,5
31
12
2,58
4,45
6
6
ESHv 50-50-65
50
50
65
690
125
95,5
31
13,5
12,9
6
23,6
8
ESHv 65-65-65
65
65
65
690
125
95,5
30
9
3
7,5
10
8,5
ESHv 65-65-80
65
65
80
776,5
125
95,5
33
8,2
3
7,5
10
11
ESHv 65-80-80
65
80
80
780
125
95,5
33
14,1
20
3,5
18,5
10
ESHv 65-100-100
65
100
90
850
150
96,5
41
22
9,7
3,5
26,4
7
ESHv 80-65-100
80
65
100
850
150
100
35
30
8,6
6,5
37,5
6
ESHv 100-100-125
100
100
125
865
155
133
46
34
10
5
35,7
7
ESHv 100-125-125
100
125
122
1002
170
116,5
70
64
15
6
102,4
7
ESHv 100-150-150
100
150
150
1150
185
115
75
100
18
6
120
11
ESHv 150-200-250
150
200
160
1511
220
148
150
190
20
6
252
10
ESHv 200-200-250
200
200
160
1522
220
173
175
308
20
4
273
11
ESHv 200-250-250
200
250
235
2072
267
179,5
240
330
20
5
407
11
ESHv 200-250-300
200
250
235
2072
247
179,5
240
275
25
6
450
12
ESHv 250-300-350
250
300
310
2609
300
208
375
406
30
6
767
12
 For information only!
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