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AOWID

Name:

AOWID-NH3 Opened Type Single-stage Screw Compressor Unit

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AOWID Screw compressor unit
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Compressor features
 
Double asymmetric arc enveloping rotor profile, grinding, high efficiency, low noise
John Crane mechanical seal, high reliability
Japan NSK high precision special bearing, high precision, long service life
Rotor radial support adopts sliding bearing, which has high bearing capacity and long service life.
Axial force balance technology, long service life of thrust bearing.

Applicable conditions:

Refigerant

 

R717

R507A

Maximum exhaust pressure/Saturation temperature

MPa(A)/ 

1.78/45

1.78/38

Maximum inspiratory pressure/Saturation temperature

MPa(A) / 

0.659/12

0.659/2

Minimum inspiratory pressure/Saturation temperature

MPa(A) / 

0.055/-45

0.055/-58

 

unit parameters:

 
Main technical parameters of single - stage screw refrigeration compressor 
Item  Unit 12M 16S 16M 16L 20S 20M 20L 25M 25L
Refrigerant Varieties    R717/507A
Compressor Swept volume m³/h 289 423 606 720 845 1139 1346 2321 2875
Energy range kW 15~100%
Cooling capacity High temperature working conditions kW 270/266 409/403 590/583 700/692 828/810 1127/1102 1352/1320 2337/2299 2915/2815
Medium temperature working conditions kW 180/179 274/271 396/393 469/467 555/547 756/745 906/892 1568/1556 1958/1947
Low temperature working conditions With economizer kW 64/80 98/124 142/177 168/209 200/253 273/339 328/404 576/711 720/884
Without economizer kW 53/55 82/85 119/123 141/147 167/174 229/237 275/285 482/501 605/629
Diameter of suction  mm DN100 DN100DN125 DN125 DN125 DN150 DN150 DN150 DN250 DN250
Diameter of discharge  mm DN65/DN50/DN40 DN80/DN65/DN50 DN80/DN65/DN50 DN80/DN65/DN50 DN80/DN65/DN65 DN80/DN65/DN65 DN80/DN65/DN65 DN150/DN125/DN100 DN150/DN125/DN100
Diameter of liquid inlet & outlet of economizer                               mm DN40 DN40 DN40 DN40 DN50 DN50 DN50 DN65 DN65
Diameter of safety valve mm DN20 DN25 DN25 DN25 DN32 DN32 DN32 2*DN32 2*DN32
Refrigerant-cooled and oil-cooled cooler Type   Shell-tube
Diameter of liquid inlet mm DN25 DN32 DN32 DN32 DN40 DN40 DN40 DN50 DN50
Diameter of air discharge mm DN40 D50 DN50 DN50 DN65 DN65 DN65 DN80 DN80
Dimensions(L*W*H) mm 2515*1160*1915 3168*1310*2154 3168*1310*2154 3168*1310*2154 3737*1440*2356 3737*1440*2356 3737*1440*2356 4951*2006*3223 4951*2006*3573
Unit weight kg ~2480 ~3800 ~3800 ~3800 ~4500 ~4500 ~4500 7500~9000 8000~10000
Note:The high temperature working conditions are the working conditions at +5/+40℃,the medium temperature working conditions are the working conditions at -10/+40℃,the low temperature working conditions are the working conditions at -35/+40℃, suction superheat is 0℃,liquid subcooling is 5℃.
 
                             

 

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