Renewable Design for Auto Refrigerant Recovery Unit - Semi-Hermetic Reciprocating Compressor R22 R404A R134A R507A 6WD-25.2-6WDS-30.2 – Daming Refrigeration Technology

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Renewable Design for Auto Refrigerant Recovery Unit - Semi-Hermetic Reciprocating Compressor R22 R404A R134A R507A 6WD-25.2-6WDS-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)

2. Basic Information

Series: 6WD-25.2-6WDS-30.2 Explanation of model designation
Compressor Body Material: Iron 6 ———————Cylinders
Application : Refrigeration W ———————-Model
Refrigeration gas: R22, R404A,R134A,R507A DS ———————–Double Stage
Input Voltage: 3Ф 380V-420V/50HZ;440V-480V/60HZ 20 ——————— Horse Power
Origin: Zhejiang, China 2——————— Series Code
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

Nominal PowerHP/KW

Displacementm³/h 50Hz

Number ofCylinders×

Diameter×

Stoke

Exhaust & Suction Valve mm/IN

OilVolume L

PowerV/φ/Hz

Electrical Parameter

CrankcaseHeater (220V)W

Oil SupplyMethod

Weight(Including Oil)

DLExhaust Valve

SLSuction Valve

Max OperatingCurrent（A）

Starting/ LockedCurrent（A）

6WD-25.2

25/18.5

110.5

6×φ70×55

φ35

φ54

4.75

380-420YY/3/50 440-480YY/3/60

116/193

140

Forced-lubrication

224

6WG-35.2

35/25.5

110.5

6×φ70×55

φ42

φ54

4.75

147/262

140

235

6WD-30.2

30/22

126.8

6×φ75×55

φ35

φ54

4.75

135/220

140

228

6WG-40.2

40/30

126.8

6×φ75×55

φ42

φ54

4.75

180/323

140

238

6WD-40.2

40/30

151.6

6×φ82×55

φ42

φ54

4.75

180/323

140

239

6WG-50.2

50/37

151.6

6×φ82×55

φ42

φ54

4.75

226/404

140

241

6WDS-20.2

20/15

110.5

6×φ70/70×55

φ35

φ42

4.75

97/158

140

220

6WDS-25.2

25/18.5

126.8

6×φ75/75×55

φ35

φ42

4.75

116/193

140

233

6WDS-30.2

30/22

151.6

6×φ82/82×55

φ35

φ42

4.75

135/220

140

234

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
6WD-25.2	30	Qo						78500	64100	51700	41050	31950	24600	18010	12460
	30	Pe						19.10	17.89	16.51	14.96	13.23	12.34	10.70	8.99
	40	Qo						70300	57200	45850	36100	27750	20750	14710	9660
	40	Pe						22.40	20.70	18.84	16.79	14.63	13.01	10.96	8.86
	50	Qo						62600	50600	40250	31350	23700	17240	11870	7440
	50	Pe						25.60	23.50	21.20	18.68	16.28	13.81	11.27	8.66
6WG-35.2	30	Qo	149100	136900	125500	114800	95600	79000	64500	52000	41300	32200	24400
	30	Pe	20.90	20.60	20.40	20.00	19.27	18.34	17.24	15.96	14.52	12.90	11.12
	40	Qo	134600	123500	113200	10350	86000	70800	57600	46200	36400	28050	20900
	40	Pe	25.20	24.70	24.30	23.70	22.60	21.30	19.78	18.12	16.29	14.30	12.14
	50	Qo	120900	110800	101400	92700	76800	63000	51000	40600	31700	24050
	50	Pe	29.40	28.80	28.10	27.40	25.90	24.20	22.30	20.20	17.92	15.50
6WD-30.2	30	Qo						90000	73500	59300	47100	36750	28400	20850	14480
	30	Pe						22.00	20.50	18.96	17.27	15.43	14.48	12.59	10.65
	40	Qo						80600	65600	52700	41600	32200	24100	17130	11280
	40	Pe						26.10	24.10	21.90	19.61	17.14	15.50	13.10	10.68
	50	Qo						71700	58200	46500	36300	27500	20050	13840	8670
	50	Pe						30.10	27.60	25.00	22.31	19.71	16.85	13.79	10.58
6WG-40.2	30	Qo	171300	157200	144100	131800	109700	90600	74000	59700	47500	37100	28300
	30	Pe	24.60	24.40	24.00	23.60	22.70	21.50	20.20	18.68	17.05	15.32	13.51
	40	Qo	154600	141800	129800	118600	98500	81100	66000	53000	41900	32450	24500
	40	Pe	29.70	29.20	28.60	28.00	26.60	25.00	23.20	21.30	19.26	17.11	14.89
	50	Qo	138500	127000	116200	106100	88000	72200	58500	46800	36750	28200
	50	Pe	35.20	34.40	33.50	32.60	30.70	28.60	26.40	24.10	21.70	19.38
6WD-40.2	30	Qo						106100	86800	70100	55900	43800	34000	25100	17600
	30	Pe						27.40	25.50	23.50	21.20	18.92	17.07	14.95	12.96
	40	Qo						95300	77700	62600	49650	38700	29150	20900	13960
	40	Pe						31.90	29.50	27.00	24.30	21.40	18.61	15.80	13.06
	50	Qo						85100	69200	55600	43600	33250	24450	17060	10890
	50	Pe						36.40	33.50	30.40	27.04	23.71	20.21	16.60	12.94
6WG-50.2	30	Qo	201400	184800	169400	155000	129100	106700	87300	70600	56300	44150	33900
	30	Pe	31.90	31.40	30.80	30.20	28.70	27.10	25.30	23.30	21.20	18.97	16.66
	40	Qo	181700	166700	152800	139800	116300	95900	78300	63100	50100	39050	29700
	40	Pe	37.60	36.90	36.10	35.20	33.30	31.30	29.00	26.60	24.00	21.30	18.44
	50	Qo	163200	149700	137100	125300	104100	85700	69700	56000	44250	34250
	50	Pe	43.00	42.10	41.10	40.10	37.90	35.50	32.80	29.90	26.80	23.50
6WDS-20.2	30	Qo									35500	29700	24500	19970	15960
	30	Pe									15.46	14.21	12.95	11.68	10.41
	40	Qo									34750	29100	24050	19560	15560
	40	Pe									17.61	16.12	14.64	13.15	11.67
	50	Qo									34050	28500	23600	19210	15220
	50	Pe									19.74	18.00	16.29	14.56	12.80
6WDS-25.2	30	Qo									40800	34050	28150	22900	18320
	30	Pe									17.75	16.31	14.86	1341	11.95
	40	Qo									39900	33400	27600	22450	17860
	40	Pe									20.21	18.51	16.81	15.10	13.40
	50	Qo									39100	32750	27100	22050	17470
	50	Pe									22.66	20.67	18.70	16.72	14.70
6WDS-30.2	30	Qo									48800	40750	33700	27400	21900
	30	Pe									21.23	19.52	17.78	16.04	14.30
	40	Qo									47750	39950	33000	26850	21350
	40	Pe									24.18	22.15	20.11	18.07	16.03
	50	Qo									46750	39200	32450	26400	20900
	50	Pe									27.12	24.73	22.37	20.01	17.59
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	-50	-55	-60	-65	-70
6WD-25.2	30	Qo				87900	72500	59300	47800	38000	29700	22650	16740	11850
	30	Pe				23.50	22.15	20.58	18.83	16.94	14.95	12.89	10.81	8.75
	40	Qo				74700	61600	50200	40400	31900	24700	18590	13440	9130
	40	Pe				27.20	25.18	23.00	20.68	18.28	15.82	13.36	10.92	8.54
	50	Qo					50500	41150	33000	25950	19920	14760	10390
	50	Pe					27.78	25.02	22.18	19.31	16.43	13.59	10.93
6WG-35.2	30	Qo	136000	124800	104500	86900	71600	58400	47000	37200	28800	21700	15720
	30	Pe	25.11	24.84	24.07	23.04	21.77	20.29	28.64	16.83	14.91	12.89	10.81
	40	Qo	116300	106600	89300	74100	60900	49450	39600	31100	23800	17670	12480
	40	Pe	29.81	29.20	27.79	26.14	24.30	22.29	20.14	17.88	15.53	13.13	10.71
	50	Qo	96600	88600	74100	61400	50400	40700	32400	25250	19160	14000	9670
	50	Pe	34.17	33.23	31.19	28.96	26.56	24.04	21.41	18.71	15.96	13.20	10.45
6WD-30.2	30	Qo				98300	81200	66400	53600	42700	33350	25400	18760	13210
	30	Pe				26.77	2.507	23.21	21.20	19.08	16.84	14.54	12.17	9.76
	40	Qo				84000	69300	56600	45550	36050	27900	21000	15130	10210
	40	Pe				30.86	28.50	26.00	23.38	20.68	17.90	15.07	12.21	9.34
	50	Qo					57600	46900	37600	29550	22600	16720	11710
	50	Pe					31.46	28.35	25.18	21.94	18.67	15.37	12.06
6WG-40.2	30	Qo	156100	143200	120000	99900	82500	67400	54300	43150	33600	25550	18730
	30	Pe	30.46	29.91	28.66	27.20	25.57	23.77	21.82	19.75	17.56	15.28	12.93
	40	Qo	133400	122400	102700	85400	70300	57300	46000	36300	28000	20900	14940
	40	Pe	35.49	34.61	32.70	30.62	28.38	26.02	23.54	20.96	18.30	15.57	12.80
	50	Qo	110800	101800	85400	70900	58300	47350	37800	29550	22500	16450	11330
	50	Pe	40.19	38.97	36.42	33.73	30.91	27.99	24.99	21.92	18.79	15.63	12.46
6WD-40.2	30	Qo				118800	98100	80100	64700	51400	40100	30500	22400	15600
	30	Pe				31.46	29.74	27.69	25.37	22.84	20.14	17.34	14.49	11.63
	40	Qo				100900	83100	67600	54300	42800	32950	24600	17570	11680
	40	Pe				36.00	33.43	30.59	27.55	24.36	21.06	17.73	14.40	11.14
	50	Qo					68300	55300	44050	34300	26050	18990	13060
	50	Pe					36.68	33.08	29.33	25.49	21.62	17.76	13.98
6WG-50.2	30	Qo	184400	169300	142200	118600	98100	80400	65200	52100	40900	31400	23450
	30	Pe	36.24	35.76	34.49	32.87	30.95	28.79	26.43	23.94	21.38	18.79	13.26
	40	Qo	157900	145000	121700	101300	83600	68300	55000	43600	33850	25600	18620
	40	Pe	43.13	42.10	39.80	37.22	34.43	31.47	28.40	25.28	22.15	19.09	16.14
	50	Qo	131000	120200	100800	83800	68900	56000	44800	35150	26950	19960	14090
	50	Pe	49.80	48.21	44.85	41.30	37.60	33.83	30.02	26.24	22.53	18.97	15.59
6WDS-20.2	30	Qo								31900	27450	23300	19440	15910	12760	10020	7690	5770	4230
	30	Pe								16.43	15.02	13.64	12.30	11.00	9.76	8.57	7.44	6.40	5.40
	40	Qo								30600	26350	22350	18610	15230	12240	9640	7420	5540
	40	Pe								18.53	16.90	15.32	13.79	12.33	10.92	9.57	8.29	7.07
	50	Qo								29350	25200	21350	17810	14630	11800	9280
	50	Pe								20.63	18.79	17.01	15.30	13.65	12.07	10.55
6WDS-25.2	30	Qo								36200	31300	26600	22250	18220	14620	11480	8830	6630	4870
	30	Pe								18.84	17.27	15.71	14.16	12.65	11.19	9.80	8.49	7.29	6.20
	40	Qo								34900	30100	25500	21300	17420	14000	11040	8500	6350
	40	Pe								21.27	19.40	17.60	15.85	14.16	12.55	11.00	9.52	8.13
	50	Qo								33450	28750	24350	20350	16720	13490	10620
	50	Pe								23.71	21.58	19.35	17.56	15.67	13.85	12.10
6WDS-30.2	30	Qo								43400	37400	31750	26500	21700	17420	13690	10540	7920	5800
	30	Pe								22.53	20.65	18.78	16.94	15.15	13.42	11.77	10.20	8.74	7.40
	40	Qo								41500	35700	30300	25300	20700	16680	13170	10150	7590
	40	Pe								25.20	23.10	21.01	18.96	16.95	15.00	13.14	11.37	9.72
	50	Qo								39500	34000	28850	24100	19870	16060	12650
	50	Pe								28.07	25.69	23.33	21.01	18.75	16.57	14.49
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
6WD-25.2	30	Qo	103800	94300	85600	77400	63000	50600	40100	31300	23900	17780	12760
	30	Pe	15.62	15.12	14.62	14.12	13.12	12.11	11.08	10.02	8.93	7.81	6.64
	40	Qo	92000	83600	75700	68500	55500	44450	35100	27150	20550	15100	10630
	40	Pe	18.70	17.92	17.15	16.41	14.97	13.57	12.20	10.85	9.49	8.10	6.66
	50	Qo	81100	73600	66600	60200	48600	38800	30400	23400	17510	12660	8710
	50	Pe	21.40	20.30	19.33	18.35	16.49	14.73	13.04	11.40	9.78	8.16	6.51
6WG-35.2	50	Qo	81100	73600	66600	60200	48600	38800	30400	23400	17510
	50	Pe	20.70	19.72	18.80	17.90	16.18	14.53	12.94	11.38	9.84
	60	Qo	70700	64100	57900	52200	42050	33400	26000	19810	14650
	60	Pe	22.60	21.40	20.30	19.24	17.17	15.21	13.34	11.54	9.80
	70	Qo	60400	54700	49400	44450	35650	28150	21750	16420	11980
	70	Pe	24.20	22.80	21.60	20.30	17.95	15.73	13.62	11.61	9.68
6WD-30.2	30	Qo	117900	107100	97200	88000	71600	57600	45700	35650	27300	20350	14660
	30	Pe	18.68	18.23	17.76	17.26	16.18	15.01	13.74	12.40	10.97	9.48	7.93
	40	Qo	104600	95000	86100	77900	63200	50700	40000	31050	23550	17360	12280
	40	Pe	22.00	21.20	20.40	19.65	18.05	16.43	14.77	13.10	11.39	9.67	7.92
	50	Qo	92300	83800	75800	68500	55400	44250	34800	26800	20150	14650	10160
	50	Pe	25.00	23.90	22.80	21.70	19.60	17.51	15.47	13.46	11.49	9.55	7.65
6WG-40.2	50	Qo	92300	83800	75800	68500	55400	44250	34800	26800	20150
	50	Pe	24.10	23.10	22.10	21.20	19.20	17.26	15.33	13.42	11.51
	60	Qo	80500	73000	66000	59600	48050	38200	29850	22800	16960
	60	Pe	26.50	25.20	24.00	22.70	20.30	17.99	15.74	13.55	11.41
	70	Qo	68900	62400	56400	50800	40850	32300	25100	19020	13980
	70	Pe	28.80	27.30	25.70	24.20	21.40	18.70	16.13	13.69	11.33
6WD-40.2	30	Qo	138400	125800	114200	103400	84200	67900	53900	42200	32400	24250	17570
	30	Pe	22.20	21.60	21.10	20.50	19.27	17.91	16.44	14.87	13.20	11.44	9.59
	40	Qo	122900	111700	101300	91700	74500	59900	47400	36900	28150	20850	14900
	40	Pe	25.80	24.90	24.00	23.10	21.20	19.33	17.39	15.42	13.42	11.41	9.38
	50	Qo	108700	98700	89500	80900	65600	52500	41450	32100	24250	17800	12520
	50	Pe	29.90	28.50	27.10	25.80	23.10	20.60	18.16	15.79	13.48	11.23	9.03
6WG-50.2	50	Qo	108700	98700	89500	80900	65600	52500	41450	32100	24250
	50	Pe	29.30	28.00	26.70	25.40	22.90	20.50	18.14	15.85	13.61
	60	Qo	95000	86300	78100	70600	57100	45550	35750	27500	20650
	60	Pe	32.60	30.80	29.10	27.50	24.40	21.40	18.67	16.05	13.55
	70	Qo	81500	74000	66900	60400	48750	38750	30300	23200	17250
	70	Pe	35.20	33.10	31.20	29.30	25.80	22.50	19.39	16.49	13.72
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 .

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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.

Product detail pictures:

Along with the "Client-Oriented" small business philosophy, a rigorous high-quality handle system, highly developed producing machines and a powerful R&D group, we always supply high-quality products and solutions, fantastic services and aggressive costs for Renewable Design for Auto Refrigerant Recovery Unit - Semi-Hermetic Reciprocating Compressor R22 R404A R134A R507A 6WD-25.2-6WDS-30.2 – Daming Refrigeration Technology, The product will supply to all over the world, such as: Morocco, Miami, British, As a well educated, innovative and energetic staff,we are responsible for all elements of the research, design, manufacturing, sales and distribution. With studying and developing new techniques,we are not only following but also leading the fashion industry. We listen attentively to the feedback from our customers and provide instant communication. You will instantly feel our expertise and attentive service.

10 Bar Air Compressor