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Replaceable Flow Paths

Replaceable flow path is an aerodynamic unit of compressor consisting of stator and rotor.

The stator includes an inner casing, reverse diffusers, volute, and labyrinth bushings. The rotor is represented by a shaft with installed impellers and balance piston. The impellers are of closed type consisting of the base disk with vanes and covering disk.

TECHNICAL DATA

  • Capacity: up to 40 million m3/day
  • Discharge pressure: up to 120 bar
  • Drive power: up to 25 MW

SIZE RANGE

  • 25 MW gas turbine drive, “unified” casing
  • 16-18 MW gas turbine drive, “long” casing
  • 6.3-8 MW gas turbine drive, “long” casing
  • 16-18 MW gas turbine drive, “short” casing
  • 6.3-8 MW gas turbine drive, “short” casing

DESIGN FEATURES AND ADVANTAGES

  • The flow path is engineered for the casing size used by the customer
  • The flow paths has a flat performance characteristics by applying a vaneless diffuser providing wide operation range with high efficiency:
    • Line compressors: 0.84-0.85
    • Boosting compressors: 0.77-0.80
  • The flow path is based on the high-efficient compression stages
  • Technical data is confirmed during the tests both at manufacturer's and customer's facilities.
  • The flow path is replaced on the operation site
Replaceable flow path model
Applicable compressor system
Capacity
m3/min
(Nm3/h)
Pressure
MPa(bar)
Flow path
dimensions, m
Weight,
kg
Application
Suction
Discharge
SPCH-18/76-1,7
SPCH-18/56-1,7
GPA-C-16/76
and
GPA -C-16/56
288 (750000)
395 (750000)
4,38 (44,7)
3,23 (32,9)
7,45 (76)
5,49 (56)
2,54х1,46х1,46
5125
Gas extraction
SPCH-18/26-2,0
SPCH-18/55-2,15
GPA-C-16
765 (570)
1,27 (13)
2,49 (25,4)
2,59 (26,4)
5,37 (47,5)
3,51х1,46х1,46
9230
9600
Gas extraction
SPCH-16/76-1,36
GPA-C-16/76
410 (1300000)
5,3 (54)
7,21 (73,5)
2,54х1,46х1,46
4678
Gas extraction
SPCH-16/76-1,7
GPA-C-16/76
256 (660000)
4,38 (44,71)
7,45 (76)
2,30х1,46х1,46
5145
Gas extraction
SPCH-16/56-1,44
GPA-C-16/56
495 (1150000)
3,8 (38,88)
5,49 (56)
3,51х1,46х1,46
7846
Gas extraction
SPCH-16/76-1,44С
GPA-C-16С
367 (1150000)
5,17 (52,75)
7,45 (76)
3,22х1,46х1,46
8230
Gas extraction
SPCH-8/51-1,45
GPA-C-6.3
265 (540000)
3,45 (35,17)
5,0 (51)
1,96х1,02х1,02
1950
Underground
gas storage
SPCH-8/41-2,2
SPCH-8/21-2,2
GPA-C-6.3
220 (240000)
426 (240000)
1,82 (18,6)
0,94 (9,54)
4,06 (41)
2,06 (21)
3,54х1,09х1,09
4850
Underground
gas storage
SPCH-16/30-3,0
16GC2-450/45-1.7
520 (340000)
1,1 (11,2)
3,04 (31,0)
3,22х1,46х1,46
8200
Gas extraction
SPCH-16/30-3,0 МУ
GPA-C-16
520 (340000)
1,1 (11,2)
3,04 (31,0)
3,22х1,46х1,46
8200
Gas extraction
SPCH-16/76-2,0
GPA-C-16/76
274 (180000)
2,7 (27,5)
5,4 (55)
2,30х1,45х1,45
7305
Gas extraction
SPCH-16/76-2,0 М
(М1, М2)
GPA-C-16/76
(short casing)
311 (590000)
311 (590000)
124 (235000)
3,3 (32,64)
5,4 (55,8)
2,49х1,45х1,45
7060
Gas extraction
SPCH-16/45-1,7
GPA-CЗ-16С
(2800 m casing length)
466 (700000)
2,55 (26,04)
4,41 (45)
3,22х1,46х1,46
10000
Gas extraction
SPCH-16/71-1,8
GPA-C-6.3
107 (255000)
4,0 (40,8)
7,2 (73,46)
2,53х1,45х1,45
5200
Gas extraction
SPCH-16/45-1,8
GPA-C-16/56
(short casing)
450 (480000)
1,79 (18,3)
3,24 (33,0)
2,25х1,46х1,46
7100
Gas extraction
SPCH-16/28-1,6
GPA-C-16/56
650 (440000)
1,13 (11,56)
1,8 (18,5)
2,25х1,46х1,46
5200
Gas extraction