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.