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Hot-selling Oil Free Small Screw Air Compressor - Semi-Hermetic Reciprocating Compressor R22 R404A R134A R507A 4VD-15.2-4VG-30.2 – Daming Refrigeration Technology

Hot-selling Oil Free Small Screw Air Compressor - Semi-Hermetic Reciprocating Compressor R22 R404A R134A R507A 4VD-15.2-4VG-30.2 – Daming Refrigeration Technology Featured Image
  • Hot-selling Oil Free Small Screw Air Compressor - Semi-Hermetic Reciprocating Compressor R22 R404A R134A R507A 4VD-15.2-4VG-30.2 – Daming Refrigeration Technology

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Hot-selling Oil Free Small Screw Air Compressor - Semi-Hermetic Reciprocating Compressor R22 R404A R134A R507A 4VD-15.2-4VG-30.2 – Daming Refrigeration Technology Detail:

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)

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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

AplicationLimits2

R407C

AplicationLimits4

R22

AplicationLimits7

To —— Evaporating temperature(°C)
Toh —-  Suction gas temperature(°C)
Toh —-  Suction super heat(K)
Tc ——-Condensing temperature(°C)
TULIAdditional 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 NominalPower

HP/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

 mark4The compressors of Daming suit different working condition and refrigerants,and could maximally satisfy your requirements for the refrigerating system.

 

mark4

Developed technology,compact dimension ，Small volume and space .

 

mark4High precision machining to ensure the compressor confirm with the standard ,CNC processing center ,Concentricity due to specific processing technology ,minimal dead space .

 

mark4

Steady operation,small vibracation and low noise ,Excellent stability .

 

mark4

Refrigerant like R22 and R404 are adopted to protect the environment ,For mid & low temperature application .

 

mark4

Electrical motor protect device ,PTC sensor .

 

mark4

Wear resistant driver gear ,Chrome plated piston rings and aluminium pistons ,Hardened crank-shaft ,Low friction bearing set .

 

mark4Efficient valve plate design,high refrigerating capacity and low energy consumption ,Efficient compression rate ,Valve reed made of imported impact resistant spring steel .

 

mark4

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

drawing4vd

 

 

 

 

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

Delivery-semi-hermetic1 delivery-semi-hermetic2DSC_4437

 

5. Payment & Delivery

Mark-Money Mark3 Mark1 Mark2

  • Payment Method: Advance TT, T/T, L/C.
  • Delivery Details: within 30-50 days after receiving your full payment .

Mark-starMark-starMark-starMark-starMark-starMark-starMark-starMark-starMark-starMark-starMark-starMark-starMark-starMark-starMark-starMark-star

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.
  • Daming Damingcompressor
Product detail pictures:

Hot-selling Oil Free Small Screw Air Compressor - Semi-Hermetic Reciprocating Compressor R22 R404A R134A R507A 4VD-15.2-4VG-30.2 – Daming Refrigeration Technology detail pictures

Related Product Guide:
Shengzhou Mayor visited Daming
Understanding Reciprocating Air Compressor
We've been committed to offering easy,time-saving and money-saving one-stop purchasing service of consumer for Hot-selling Oil Free Small Screw Air Compressor - Semi-Hermetic Reciprocating Compressor R22 R404A R134A R507A 4VD-15.2-4VG-30.2 – Daming Refrigeration Technology, The product will supply to all over the world, such as: Serbia, Zambia, El Salvador, Please really feel free to send us your requirements and we'll respond to you asap. We have got a professional engineering group to serve for your just about every detailed needs. Cost-free samples could be sent for you personally to understand much more information. In an effort to meet your requires, please really feel free to make contact with us. You may send us emails and contact us directly. Moreover, we welcome visits to our factory from around the globe for much better recognizing of our organization. nd items. In our trade with merchants of numerous countries, we usually adhere for the principle of equality and mutual benefit. It is actually our hope to market, by joint efforts, each trade and friendship to our mutual advantage. We look forward to getting your inquiries.

    • The company comply with the contract strict, a very reputable manufacturers, worthy a long-term cooperation.
    5 Stars By Belinda from Uzbekistan - 2017.12.09 14:01
    Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!
    5 Stars By Emma from Canada - 2017.04.18 16:45

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