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AOWID

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AOWID-NH3 Opened Type Compound Two-stage Screw Compressor Unit

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AOWID Screw compressor unit
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Parameters
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) / 

0.119/12

0.119/-43

Minimum inspiratory pressure/Saturation temperature

MPa(A) / 

0.03/-45

0.03/-68

 Main technical parameters:

 
               Item  Unit       1612MS      1612LS      2016MS      2016LS      2520MS      2520LS
    Compressor

   

Swept volume of low pressure stage

 

 m3/h      606      720      1139      1346       2321       2875

   

Swept volume  of high pressure stage

  

 m3/h      240      240      423      423      845      845
       Energy range                                           15~100%
           Nominal working conditions   ℃                                         +40/-35
Cooling capacity under nominal working conditions   kW     156/199     183/226     301/378     352/428     625/783     761/908
    Refrigerant         Varieties                                         R717/R507A
            Diameter of suction    mm      DN125     DN125     DN150      DN150      DN250      DN250
           Diameter of discharge     mm      DN50     DN50      DN65      DN65      DN100      DN100

Diameter of liquid inlet & outletof intermediate cooler

  mm      DN40     DN40      DN50      DN50      DN65      DN65
        Diameter of safety valve   mm      DN25     DN25      DN32      DN32     2*DN32     2*DN32

Refrigerant-cooled and oil-cooled cooler

       Type                                     Shell-tube

  Diameter of liquid inlet

  mm      DN32      DN32      DN40      DN40      DN50      DN50

 Diameter of air discharge

  mm      DN50      DN50      DN65      DN65       DN80      DN80
   Dimensions        (L*W*H)   mm 3168*1310*2154 3168*1310*2154 3737*1440*2316 3737*1440*2356 4949*1900*2982 4949*1900*2982
                 Unit weight   kg     ~4000      ~4000      ~4500      ~4500      ~9000     ~9000
Please consult with Aowei for other special requests.

 

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