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LS-Series-Screw-Chiller

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Model: LS20MMSA(B) – LS32LMSA(B) Series

Condenser Types: Shell-and-tube water-cooled, plate heat exchanger, evaporative condenser

Evaporator Types: Flooded, siphon, plate heat exchanger, dry-type

Chilled Water Outlet Temperature: +5°C to +10°C

Cooling Water Inlet Temperature: 19°C to 33°C

Product Features

  • High reliability, precision machining, and long service life.
  • UsesR22as the primary refrigerant (other refrigerants like R134a available upon non-standard order).
  • Water-cooled shell-and-tube condenserwith high-efficiency heat exchange tubes—compact and lightweight.
  • Flooded shell-and-tube evaporatorwith high-efficiency heat exchange tubes for superior thermal performance.
  • Ejector oil return systemensures easy operation and high reliability.
  • Liquid-cooled oil coolerfor effective heat dissipation and stable operation.
  • Advanced PMFL+SV liquid level controlenables continuous automatic adjustment with high reliability.
  • Compact design for small units; large units adopt skid-mounted assembly—just connect water & power, charge refrigerant and lubricant, then ready for operation.
  • Smooth operation, low vibration, quiet performance, and high safety.

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Product Application

This series is widely used in industries requiring process cooling or chilled water,including:

Meat & poultry processing、Aquatic product processing、Brewing & dairy industries、Juice & beverage production、Chemical, electronics, and textile manufacturing. For industrial process air conditioning or production cooling applications.

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MOON-TECH

Product Description

 

Production Line

Product Details

Item Unit LS20MMSA(B) LS20LMSA(B) LS25MMSA(B)
Refrigeration capacity kw 1211 1588 2489
Chilled water varieties Water
Capacity control range % 15 ~ 100
Refrigerant Varieties R22
Charge kg ~ 650 ~ 750 ~ 1200
Standard GB7373 Industrial CHClF2 (F22)
Refrigerant oil Brand M-K4001
Charge l ~ 370 ~ 470 ~ 760
Standard Q/YB00J08.21.1Refrigeration Oil (Mineral Type)
Compressor model LG20M LG20L LG25M
Rated power of motor kw 250 315 500
Electrical system 3N  50Hz  380V 3N 50Hz 10kV
 

Condenser

Type Shell-and-tube type
Water inlet temperature 30
Cooling water circulation

volume

 

m3/h

 

240

 

320

 

500

Cooling water inlet and outlet pipe diameter  

mm

 

DN200

 

DN250

 

DN300

Cooling water-side design pressure  

MPa

 

0.6

Item Unit LS20MMSA(B) LS20LMSA(B) LS25MMSA(B)
 

 

 

Evaporator

Type Flooded type
Output water temperature  

 

7

Chilled water circulation volume  

m3/h

 

210

 

270

 

430

Drift diameter of chilled water inlet and outlet  

mm

 

DN200

 

DN200

 

DN250

Chilled water-side design pressure  

MPa

 

1.0

Fouling factor of chilled water and

cooling water

 

m2.k/kw

 

0.086

Resistance of condenser and evaporator

on water path

 

MPa

 

≤0.1

Cooling water quality standard GB50050 Code for Design of Industrial Recirculating Cooling Water Treatment
Outline dimension (L* W* H) mm ~ 3840*2720*2700 ~ 4198*3190*3279 ~ 4890*3400*3150
Net weight kg ~ 8200 ~ 9700 ~ 15000

Note:

  1. The designed working conditions in the table:the cooling water inlet temperature of the condenser is 30℃ and the difference    between the water inlet temperature and the water outlet temperature is 5℃ ; the chilled water outlet temperature is 7℃ and the difference between the water inlet temperature and the water outlet temperature is 5℃ .Unit without economizer
  2. Refer to the performance parameter table of units for the refrigeration capacityin other workingconditions.

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