Water Cooled Scroll Chiller (standard) BK-20W

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  • Model NO.: BK-20W
  • Certification: ISO, CE
  • Net Weight: 495 Kg
  • Water Tank Volume: 250 L
  • Specification: 1850*800*1550
  • HS Code: 8419899090
  • Noise Level: Low
  • Condition: New
  • Gross Weight: 540 Kg
  • Trademark: Baikang
  • Origin: Ningbo, Zhejiang, China
Water cooled scroll chilled units(standard form)
Model BK-
3W 5W 8W 10W 12W 15W 20W 25W 30W 40W 50W
Cooling capacity kW 9.5 14.2 23.3 29.4 34.5 44 58.8 69 88.2 117.6 138
×103kcal/h 8.17 12.2 20 25.3 29.7 37.8 50.6 59.3 75.9 101.1 118.7
water head presser Bar 1.5 2.0 1.5 1.8 2.2 2.2 2.1 2.1 2.5 2.9 2.6
total power kW 2.35 3.82 5.71 7.65 8.9 11.6 15.3 17.8 23.2 30.2 35
suggested wiring MM2 2.5 4 6 6 10 10 16 16 25 25 25
Input Power 3PH-380V/50Hz  
Compressor type full hermetic scroll compressor
range of energy adjustment 0-50-100% 0-25-50-100%
quantity 1~2 3~4
Rated power kW 1.98 3.27 4.96 6.55 7.4 10.1 13.1 14.8 20.2 26.2 29.6
current A 3.9 6 9.9 12.7 13.7 21 25.4 27.4 37.2 50.8 54.8
Refrigerant type R22
Evaporator type Coil heat exchanger /U shape tube type heat exchange evaporator
Water interface MM DN25 DN40 DN50 DN65
Min. water flow M3/h 1.2 2.4 3.6 4.8 6 7.2 8.4 10 10 16 20
Max. water flow 3.6 4.8 8.5 9.6 12 15 21 25 25 30 40
water resistance Kpa 28 29 31 31 32 32 33 35 38 40 41
condenser type Tube and shell high efficiency heat exchange
Water interface MM DN25 DN40 DN50 DN65
water flow rate M3/h 2.2 3.5 5.4 7.5 8.2 10.6 14 16.5 21 28 33
water resistance Kpa 26 27 29 28 29 30 30 32 35 36 37
Water pump Rated KW 0.37 0.55 0.75 1.1 1.5 1.5 2.2 3 3 4 5.5
Current A 0.64 0.95 1.3 1.9 2.6 2.6 3.8 5.4 5.6 6.2 9.3
Water Tank volume L 55 55 80 80 130 130 250 250 250 450 520
safety protection water pump chain protection;phase and phase sequence protection;high/low presser protection , motor overload protection , water cut-off protection ,
 anti freezing protection , high discharge temperature protection.
Dimension (L)mm 1000 1000 1450 1450 1600 1600 1850 1850 2200 2300 2600
(W)mm 600 600 700 700 750 750 800 800 900 1000 1100
(H)mm 1000 1000 1260 1260 1260 1260 1550 1550 1650 1700 1700
Net weight KG 105 175 245 280 370 450 495 700 840 1080 1300
Gross weight 130 205 275 310 410 495 540 755 900 1140 1375
REMARK:
1,cooled water input temp. 12ºC,output temp 7ºC;cooling water input temp. 30ºC,output temp 35ºC;
2,safe working range: cooled water output temperature range 7ºC~30ºC,environment temperature range 5ºC~40ºC;
3,evaporator dirt coefficient 0.018m3. ºC/kw,evaporator water side design pressure 1.0MPa;condenser dirt coefficient 0.044 m3. ºC/kw
4,if you need special voltage and Refrigerants units R134a/R407C/R410A,please contact us.
5,for technology improved, outer dimension will be modified, only for reference of the dimension.  
6,in addition to the above specifications , we also can do for you , to provide nonstandard custom products.

Product feature:
  • Machine Chassis sheet metal: chassis used of three-dimensional design, the overall style to be European style detachable structure, the surface of polyester powder coating, beautiful and generous, color fastness and corrosion resistance.
  • System components: This machine adopts the international famous brand intelligence full closed scroll refrigeration compressor and refrigeration unit components. Special purpose heat exchanger assembly for matching high efficiency optimization. Combined with the best system design and high precision cleaning assembly process to ensure the full use of energy efficiency.
  • Tube type condenser:high efficiency condenser pipe big heat transfer coefficient, patent for expanded in middle, easy maintain; small volume, high efficiency.
  • Shell tube evaporator: heat exchanger using the latest CAD/CAM design and processing technology, with CNC machining center to complete. the water blocking plate increases the turbulent flow effect of the freezing water Through special processing, the design of the evaporator inlet makes the refrigerant distribute more evenly in the exchanger tubes, the heat transfer effect is more prominent, and the energy efficiency ratio is higher. The shell has stainless steel / carbon steel /PP plastic etc for your choice.!
  • Electrical components: electrical components and contactors are used in the world famous brand, the temperature control unit uses the professional field of high-precision controller, the protection function is complete, to ensure the long-term stable and reliable operation of the unit
  • Fluid components: choose international brands pipeline pump, water storage tank of high quality SUS/304 stainless steel, stainless pipe through the strict control of the assembly process, no any leaking.
Comprehensive safety protection to make the unit more reliable operation:
  • 1. The refrigeration system of the high and low voltage protection, overheat protection, safety valve protection.
  • 2. Compressor overload soft and hard dual protection.
  • 3. Lack of phase, reverse phase, under voltage, over voltage protection.
  • 4. Anti icing protection of water system, less water flow protection, etc.
  • Made to measure: Make special model according to the different operating conditions in various industry. Such as: machine size, unit coolant (water, salt, acid resistance, alkali corrosion) and unit water flow / pressure can be designed and manufactured according to the actual demand. The outlet temperature of the unit can be selected from various models of -40 ºC to 30 ºC, and can be widely chose to meet the various needs of customers.
The unit is widely used in: aluminum oxide, aluminum oxide, electroplating, hard plastic, injection molding, extrusion, foaming machine, hydraulic equipment, laminating machine, bottle blowing machine leather embossing machine, composite flooring, food, chemical, biological, pharmaceutical, electronics and other industries
 

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