Dedicated to strict quality manage and thoughtful buyer company, our experienced workers members are generally available to discuss your specifications and make certain full consumer gratification for Professional Design Blast Freezer Condensing Unit With Bitzer Semi-hermetic Compressor, With a fast growth and our consumers arrive from Europe, United States, Africa and all around the entire world. Welcome to go to our factory and welcome your order, for additional inquires please will not be reluctant to get hold of us!
Dedicated to strict quality manage and thoughtful buyer company, our experienced workers members are generally available to discuss your specifications and make certain full consumer gratification for Bitzer Condensing Unit, Blast Freezer Condensing Unit, Blast Freezer Refrigeration Unit, With a fully integrated operation system, our company has won a good fame for our high quality merchandise, reasonable prices and good services. Meanwhile, we’ve got established a strict quality management system conducted in material incoming, processing and delivery. Abiding by the principle of “Credit first and customer supremacy”, we sincerely welcome clients from home and abroad to cooperate with us and advance together to create a brilliant future.
1. ZheJiang DaMing Refrigeration Technology Co., Ltd. Profile
- Business Type: We are Manufacturer/Factory/Plant
- Main Products: compressor ,compressor unit .(reciprocating compressor, scroll compressor, screw compressor)
- Number of Employees: 300+
- Year of Establishment: 1990s
- Management System Certification: ISO 9001
- Location: ZheJiang, China (Mainland)
2. Basic Information
- Series: 4VD-15.2-4VG-30.2 Explanation of model designation
- Compressor Body Material: Iron 4/6 ———————Cylinders
- Application : Refrigeration S ———————-Model
- Refrigeration gas: R22, R404A,R134A,R507A 15 ———————–Horse Power
- Input Voltage: 3Ф 380V-420V/50HZ;440V-480V/60HZ 1 ———————–Series Code
- Origin: Zhejiang, China D/G———————D for Low Temp;G for mid & High Temp
- Specification: CE, CCC,ISO9001
3. Application Limits ( Suction Gas Temperature 20°C)
R404A & R507A
R407C
R22
To —— Evaporating temperature(°C)
Toh —- Suction gas temperature(°C)
Toh —- Suction super heat(K)
Tc ——-Condensing temperature(°C)
Additional cooling
Additional cooling&limited suction gas temperature
Additional cooling&liquid injection cooling system
4.Product Details
4.1 Key Specifications/Special Features -Technical Data Sheet
Model | NominalPowerHP/KW | Displacementm³/h 50Hz | Number ofCylinders×Diameter×Stoke | Exhaust & Suction Valve mm/IN | Oil Volume(L) | Power V/φ/Hz | Electrical Parameter | Crankcase Heater(220V)W | Oil SupplyMethod | Weight(Including Oil)Kg | ||
DLExhaust Valve | SLSuction Valve | Max OperatingCurrent(A) | Starting/ LockedCurrent(A) | |||||||||
4VD-15.2 | 15/10.5 | 73.7 | 4×φ70×55 | φ28 | φ42 | 4 | 380-420YY/3/50 440-480YY/3/60 | 31 | 81/132 | 140 | Forced-lubrication | 183 |
4VG-25.2 | 25/18.5 | 73.7 | 4×φ70×55 | φ28 | φ54 | 4.5 | 45 | 116/193 | 140 | 203 | ||
4VD-20.2 | 20/15 | 84.6 | 4×φ75×55 | φ28 | φ54 | 4.5 | 37 | 97/158 | 140 | 192 | ||
4VG-30.2 | 30/22 | 84.6 | 4×φ75×55 | φ28 | φ54 | 4.5 | 53 | 135/220 | 140 | 206 |
4.2 Refrigerating Performance – Cooling Capacity with R22
Model | Condensing Temperature℃ | Cooling Capacity Qo(W) Power Consumption Pe(kW) | |||||||||||||
Evaporating Temperature ℃ | |||||||||||||||
12.5 | 10 | 7.5 | 5 | 0 | -5 | -10 | -15 | -20 | -25 | -30 | -35 | -40 | |||
4VD-15.2 | 30 | Qo | 52300 | 42700 | 34450 | 27350 | 21300 | 16400 | 12000 | 8310 | |||||
Pe | 12.73 | 11.93 | 11.01 | 9.98 | 8.82 | 8.25 | 7.13 | 5.98 | |||||||
40 | Qo | 46850 | 38100 | 30500 | 24050 | 18500 | 13840 | 9800 | 6440 | ||||||
Pe | 14.91 | 13.81 | 12.56 | 11.19 | 9.76 | 8.67 | 7.30 | 5.90 | |||||||
50 | Qo | 41700 | 33700 | 26800 | 20900 | 15800 | 11500 | 7920 | 4970 | ||||||
Pe | 17.11 | 15.67 | 14.13 | 12.47 | 10.85 | 9.21 | 7.53 | 5.79 | |||||||
4VG-25.2 | 30 | Qo | 99300 | 91200 | 83600 | 76500 | 63700 | 52600 | 42950 | 34650 | 27500 | 21400 | 16260 | ||
Pe | 13.89 | 13.74 | 13.56 | 13.34 | 12.84 | 12.22 | 11.48 | 10.63 | 9.67 | 8.59 | 7.41 | ||||
40 | Qo | 89700 | 82300 | 75400 | 68900 | 57300 | 47150 | 38350 | 30800 | 24250 | 18670 | 13940 | |||
Pe | 16.75 | 16.47 | 16.16 | 15.82 | 15.05 | 14.17 | 13.18 | 12.07 | 10.85 | 9.52 | 8.08 | ||||
50 | Qo | 80500 | 73800 | 67600 | 61700 | 51100 | 41950 | 33950 | 27050 | 21100 | 16030 | ||||
Pe | 19.56 | 19.16 | 18.74 | 18.27 | 17.25 | 16.10 | 14.83 | 13.44 | 11.94 | 10.33 | |||||
4VD-20.2 | 30 | Qo | 60000 | 48950 | 39500 | 31400 | 24500 | 18940 | 13920 | 9670 | |||||
Pe | 14.64 | 13.67 | 12.63 | 11.51 | 10.29 | 9.65 | 8.40 | 7.10 | |||||||
40 | Qo | 53700 | 43700 | 35100 | 27750 | 21500 | 16080 | 11430 | 7530 | ||||||
Pe | 17.39 | 16.04 | 14.60 | 13.07 | 11.42 | 10.35 | 8.75 | 7.14 | |||||||
50 | Qo | 47800 | 38750 | 30950 | 24200 | 18350 | 13390 | 9230 | 5790 | ||||||
Pe | 20.10 | 18.40 | 16.65 | 14.89 | 13.14 | 11.23 | 9.19 | 7.06 | |||||||
4VG-30.2 | 30 | Qo | 114200 | 104800 | 96000 | 87800 | 73100 | 60400 | 49300 | 39800 | 31650 | 24700 | 18840 | ||
Pe | 16.42 | 16.23 | 16.01 | 15.74 | 15.11 | 14.33 | 13.44 | 12.45 | 11.36 | 10.21 | 9.00 | ||||
40 | Qo | 103000 | 94500 | 86500 | 79100 | 65700 | 54000 | 44000 | 35350 | 27950 | 21650 | 16330 | |||
Pe | 19.78 | 19.46 | 19.09 | 18.68 | 17.74 | 16.67 | 15.49 | 14.20 | 12.83 | 11.40 | 9.92 | ||||
50 | Qo | 92300 | 84600 | 77400 | 70700 | 58600 | 48100 | 39000 | 31200 | 24500 | 18810 | ||||
Pe | 23.40 | 22.90 | 22.30 | 21.70 | 20.40 | 19.04 | 17.57 | 16.05 | 11.49 | 12.91 | |||||
Based on 20℃ suction gas temperature,50Hz,without liquid subcooling. | |||||||||||||||
VARICOOL system,additional cooling,position of suction valve changed. | |||||||||||||||
Additional cooling or limited suction gas temperature. | |||||||||||||||
Additional cooling and CIC system. |
Refrigerating Performance - Cooling Capacity with R404A,R507A
Model | Condensing Temperature℃ | Cooling Capacity Qo(W) Power Consumption Pe(kW) | ||||||||||||
Evaporating Temperature ℃ | ||||||||||||||
7.5 | 5 | 0 | -5 | -10 | -15 | -20 | -25 | -30 | -35 | -40 | -45 | |||
4VD-15.2 | 30 | Qo | 58500 | 48400 | 39700 | 32200 | 25750 | 20250 | 15560 | 11630 | 8350 | |||
Pe | 15.78 | 14.84 | 13.79 | 12.63 | 11.40 | 10.10 | 8.77 | 7.43 | 6.10 | |||||
40 | Qo | 49850 | 41150 | 33600 | 27100 | 21500 | 16730 | 12660 | 9240 | 6380 | ||||
Pe | 18.16 | 16.80 | 15.34 | 13.82 | 12.25 | 10.65 | 9.05 | 7.47 | 5.93 | |||||
50 | Qo | 33950 | 27600 | 22050 | 17330 | 13270 | 9820 | 6920 | ||||||
Pe | 18.50 | 16.67 | 14.80 | 12.91 | 11.03 | 9.17 | 7.37 | |||||||
4VG-25.2 | 30 | Qo | 90700 | 83200 | 69700 | 57900 | 47750 | 38950 | 31350 | 24800 | 19210 | 14460 | 10460 | |
Pe | 16.14 | 16.07 | 15.72 | 15.14 | 14.36 | 13.41 | 12.32 | 11.11 | 9.81 | 8.46 | 7.08 | |||
40 | Qo | 77400 | 71000 | 59500 | 49400 | 40650 | 33000 | 26450 | 20800 | 15930 | 11800 | 8320 | ||
Pe | 19.56 | 19.22 | 18.37 | 17.32 | 16.11 | 14.76 | 13.31 | 11.78 | 10.20 | 8.60 | 7.00 | |||
50 | Qo | 64500 | 59100 | 49500 | 41000 | 33600 | 27200 | 21600 | 16830 | 12740 | 9260 | 6340 | ||
Pe | 22.78 | 22.18 | 20.84 | 19.33 | 17.71 | 15.98 | 14.18 | 12.34 | 10.49 | 8.65 | 6.86 | |||
4VD-20.2 | 30 | Qo | 67100 | 55500 | 45400 | 36750 | 29350 | 23000 | 17600 | 13060 | 9260 | |||
Pe | 18.22 | 17.12 | 15.89 | 14.55 | 13.12 | 11.62 | 10.08 | 8.53 | 6.97 | |||||
40 | Qo | 57200 | 47300 | 38700 | 31200 | 24800 | 19250 | 14540 | 10540 | 7160 | ||||
Pe | 20.94 | 19.36 | 17.68 | 15.93 | 14.13 | 12.30 | 10.47 | 8.65 | 6.89 | |||||
50 | Qo | 38750 | 31650 | 25450 | 20100 | 15480 | 11510 | 8120 | ||||||
Pe | 21.25 | 19.15 | 17.02 | 14.87 | 12.73 | 10.63 | 8.60 | |||||||
4VG-30.2 | 30 | Qo | 103800 | 95300 | 79900 | 66500 | 54900 | 44900 | 36250 | 28800 | 22450 | 17040 | 12480 | |
Pe | 19.21 | 19.07 | 18.57 | 17.81 | 16.84 | 15.70 | 14.41 | 13.02 | 11.57 | 10.09 | 8.61 | |||
40 | Qo | 89100 | 81800 | 68600 | 57000 | 47000 | 38250 | 30700 | 24200 | 18610 | 13860 | 9850 | ||
Pe | 23.37 | 22.88 | 21.73 | 20.38 | 18.88 | 17.26 | 15.56 | 13.81 | 12.06 | 10.33 | 8.68 | |||
50 | Qo | 74300 | 68200 | 57100 | 47400 | 38900 | 31500 | 25100 | 19580 | 14840 | 10810 | 7410 | ||
Pe | 27.01 | 26.20 | 24.46 | 22.58 | 20.60 | 18.56 | 16.50 | 14.45 | 12.45 | 10.54 | 8.76 | |||
Based on 20℃ suction gas temperature,50Hz,without liquid subcooling. | ||||||||||||||
Additional cooling or limited suction gas temperature. | ||||||||||||||
Additional cooling and CIC system. |
Refrigerating Performance - Cooling Capacity with r134a
Model | Condensing Temperature℃ | Cooling Capacity Qo(W) Power Consumption Pe(kW) | |||||||||||
Evaporating Temperature ℃ | |||||||||||||
12.5 | 10 | 7.5 | 5 | 0 | -5 | -10 | -15 | -20 | -25 | -30 | |||
4VD-15.2 | 30 | Qo | 69100 | 62800 | 57000 | 51600 | 49150 | 33700 | 26700 | 20850 | 15920 | 11840 | 8500 |
Pe | 10.40 | 10.07 | 9.74 | 9.41 | 8.74 | 8.07 | 7.38 | 6.67 | 5.95 | 5.20 | 4.42 | ||
40 | Qo | 61300 | 55700 | 50400 | 45600 | 37000 | 29600 | 23350 | 18100 | 13700 | 10060 | 7080 | |
Pe | 12.46 | 11.93 | 11.43 | 10.93 | 9.97 | 9.04 | 8.13 | 7.23 | 6.32 | 5.39 | 4.44 | ||
50 | Qo | 54100 | 49050 | 44400 | 40100 | 32400 | 25800 | 20250 | 15570 | 11660 | 8430 | 5800 | |
Pe | 14.24 | 13.54 | 12.87 | 12.22 | 10.99 | 9.81 | 8.69 | 7.59 | 6.51 | 5.43 | 4.34 | ||
4VG-25.2 | 50 | Qo | 54100 | 49050 | 44400 | 40100 | 32400 | 25800 | 20250 | 15570 | 11660 | ||
Pe | 13.77 | 13.13 | 12.52 | 11.92 | 10.78 | 9.68 | 8.62 | 7.58 | 6.55 | ||||
60 | Qo | 47100 | 42700 | 38600 | 34800 | 28000 | 22200 | 17320 | 13190 | 9760 | |||
Pe | 15.04 | 14.27 | 13.53 | 12.81 | 11.44 | 10.13 | 8.89 | 7.69 | 6.53 | ||||
70 | Qo | 40250 | 36450 | 32900 | 29600 | 23750 | 18740 | 14500 | 10940 | 7980 | |||
Pe | 16.09 | 15.21 | 14.36 | 13.53 | 11.96 | 10.48 | 9.07 | 7.74 | 6.45 | ||||
4VD-20.2 | 30 | Qo | 78500 | 71400 | 64800 | 58600 | 47700 | 38350 | 30450 | 23800 | 18190 | 13560 | 9770 |
Pe | 12.45 | 12.15 | 11.83 | 11.50 | 10.78 | 10.00 | 9.16 | 8.26 | 7.31 | 6.32 | 5.28 | ||
40 | Qo | 69700 | 63300 | 57400 | 51900 | 42100 | 33750 | 26650 | 20700 | 15700 | 11570 | 8190 | |
Pe | 14.65 | 14.14 | 13.62 | 13.09 | 12.03 | 10.95 | 9.85 | 8.73 | 7.59 | 6.44 | 5.28 | ||
50 | Qo | 61500 | 55800 | 50500 | 45650 | 36950 | 29500 | 23200 | 17870 | 13430 | 9760 | 6770 | |
Pe | 16.67 | 15.93 | 15.20 | 14.48 | 13.06 | 11.67 | 10.31 | 8.97 | 7.66 | 6.37 | 5.10 | ||
4VG-30.2 | 50 | Qo | 61500 | 55800 | 50500 | 45650 | 36950 | 29500 | 23200 | 17870 | 13430 | ||
Pe | 16.09 | 15.42 | 14.76 | 14.10 | 12.79 | 11.50 | 10.22 | 8.94 | 7.67 | ||||
60 | Qo | 53700 | 48650 | 44000 | 39700 | 32000 | 25450 | 19890 | 15210 | 11300 | |||
Pe | 17.65 | 16.80 | 15.96 | 15.14 | 13.54 | 11.99 | 10.49 | 9.03 | 7.60 | ||||
70 | Qo | 45900 | 41600 | 37600 | 33850 | 27200 | 21550 | 16720 | 12680 | 9320 | |||
Pe | 19.22 | 18.16 | 17.14 | 16.15 | 14.25 | 12.46 | 10.75 | 9.12 | 7.55 | ||||
Suction gas temperature 20℃,50Hz,without liquid subcooling. | |||||||||||||
Additional cooling or limited suction gas temperature. |
4.3 Processing Features
The compressors of Daming suit different working condition and refrigerants,and could maximally satisfy your requirements for the refrigerating system.
Developed technology,compact dimension ,Small volume and space .
High precision machining to ensure the compressor confirm with the standard ,CNC processing center ,Concentricity due to specific processing technology ,minimal dead space .
Steady operation,small vibracation and low noise ,Excellent stability .
Refrigerant like R22 and R404 are adopted to protect the environment ,For mid & low temperature application .
Electrical motor protect device ,PTC sensor .
Wear resistant driver gear ,Chrome plated piston rings and aluminium pistons ,Hardened crank-shaft ,Low friction bearing set .
Efficient valve plate design,high refrigerating capacity and low energy consumption ,Efficient compression rate ,Valve reed made of imported impact resistant spring steel .
General spare parts,convenient for maintenance.
4.4 Cross Reference (Application Limits )
Cross Reference |
||||
Item Description |
Daming Model |
Copeland Model |
Bitzer Model |
Displacement (KW) |
2 cylinders |
BFS31 |
C-0300 |
12.2 |
|
BFS41 |
C-0400 |
14.7 |
||
BFS51 |
C-0500 |
18.4 |
||
BFS81 |
C-0800 |
26.6 |
||
BFS101 |
C-1000 |
36 |
||
3 cylinders |
BFS151 |
C-1500 |
54 |
|
4 cylinders |
4S151D |
4SLW-1500 |
73.6 |
|
4S251G |
4SHH-2500 |
73.6 |
||
4S201D |
4STW-2000 |
84.5 |
||
4S301G |
4STH-3000 |
84.5 |
||
6 cylinders |
6S251D |
6SLW-2500 |
110.5 |
|
6S351G |
6SHH-3500 |
110.5 |
||
6S321D |
6STW-3200 |
126.8 |
||
6S401G |
6SJH-4000 |
126.8 |
||
6S401D |
6SUW-4000 |
151.6 |
||
6S501G |
6SKH-5000 |
151.6 |
||
Small size 2 cylinders |
2YD-2.2 |
2DC-2.2 |
13.5 |
|
2YG-3.2 |
2DC-3.2 |
13.5 |
||
2YD-3.2 |
2CC-3.2 |
16.2 |
||
2YG-4.2 |
2CC-4.2 |
16.2 |
||
Small size 4 cylinder ( hexagon shape) |
4YD-3.2 |
4FC-3.2 |
18.1 |
|
4YG-5.2 |
4FC-5.2 |
18.1 |
||
4YD-4.2 |
4EC-4.2 |
22.7 |
||
4YG-6.2 |
4EC-6.2 |
22.7 |
||
4YD-5.2 |
4DC-5.2 |
26.84 |
||
4YG-7.2 |
4DC-7.2 |
26.84 |
||
4YD-6.2 |
4CC-6.2 |
32.48 |
||
4YG-9.2 |
4CC-9.2 |
32.48 |
||
Medium size 4 cylinders (hexagon shape ) |
4YD-8.2 |
4TCS-8.2 |
41.33 |
|
4YG-12.2 |
4TCS-12.2 |
41.33 |
||
4YD-10.2 |
4PCS-10.2 |
48.5 |
||
4YG-15.2 |
4PCS-15.2 |
48.5 |
||
4YD-12.2 |
4NCS-12.2 |
56.25 |
||
4YG-20.2 |
4NCS-20.2 |
56.25 |
||
Large 4 cylinders |
4VD-15.2 |
4H-15.2 |
73.6 |
|
4VG-25.2 |
4H-25.2 |
73.6 |
||
4VD-20.2 |
4G-20.2 |
84.5 |
||
4VG-30.2 |
4G-30.2 |
84.5 |
||
Large 6 cylinders |
6WD-25.2 |
6H-25.2 |
110.5 |
|
6WG-35.2 |
6H-35.2 |
110.5 |
||
6WD-30.2 |
6G-30.2 |
126.8 |
||
6WG-40.2 |
6G-40.2 |
126.8 |
||
6WD-40.2 |
6F-40.2 |
151.6 |
||
6WG-50.2 |
6F-50.2 |
151.6 |
||
Double stage |
6WDS-20.2 |
S6H-20.2 |
110.5 |
|
6WDS-25.2 |
S6G-25.2 |
126.8 |
||
6WDS-30.2 |
S6F-30.2 |
151.6 |
4.5 Compressor Dimensional drawing
4.6 Packaging & Shipment
- FOB Port: Ningbo Lead Time:15- 30 days
- Packaging Size: 49*44*15 cm Net weight: 62 kg +
- Units per Export Carton:1 Gross weight: 70 kg +
- Dimensions per Unit:193 × 94 × 87 Centimeters
- Weight per Unit:117 Kilograms
- Export Carton Weight: 117 Kilograms
- Export Carton Dimensions L/W/H:193 × 94 × 87 Centimeters
5. Payment & Delivery
- Payment Method: Advance TT, T/T, L/C.
- Delivery Details: within 30-50 days after receiving your full payment .
3.7 Primary Competitive Advantage
- Small Orders Accepted Brand-name Parts Country of Origin
- Distributorships Offered Electronic Link Experienced Staff
- Form A Green Product Cost-effective
- International Approvals Military Specifications Standard Packaging
- Good Price Product Features Product Performance
- Prompt Delivery Quality Approvals Reputation
- Provide Good Service Sample Available Customized
- We have over 30 years of professional experience as a manufacturer of semi-hermetic compressor , scroll compressor , screw compressor ,condensing unit .
- We make the compressor according your usage
- We have strong researching and developing team to meet your requirement.
- There are lot of raw material suppliers around our factory, our factory in Zhejiang
- We supply high quality compressor for many world companies
- Our factory got ISO 9001 and apply CE certificate, importantly we have factory which bigger workshop over 20000sq meters .
- Small trial orders can be accepted, sample is available .
- Our price is reasonable and keep top quality for every clients.