Moon Screw Compressor

Product Detail

Moon Screw Compressor

Paric can sastisfy your kind requirement with supplying both Moon screw head compressor, single stage screw compressor unit and double stage screw compressor unit 

1.High efficiency and energy saving, COP increases by about 8%.

2.Moon’ s patent rotor produces smooth operation, high efficiency and low noise.

3.Moon’s patent capacity control device realizes flexible and accurate control.

4.Moon’s patent design lowers the noise and vibration.

5.Precisely circulation oil control

6.Moon’s patent high efficiency heat exchange tube

7.Reliability and stability 




LG series screw refrigeration compressor parameters:

Refrigerant	R717	R22
Discharge pressure MPa	below 1.67	below 1.67
Corresponding saturated temperature °C	below 45	below 46
Suction pressure MPa	-0.045-0.57	-0.017-0.62
Corresponding evaporative temperature °C	-45-12.5	-45-12.5
Oil pressure MPa	0.1-0.3 higher than discharge    pressure
Oil temperature °C	30-65
Cooling water inlet temperature °C	15.5-33
Cooling water flow deviation	±10%







LG12B, LG16BS, LG16BM and LG20BS series parameters:

Item			Unit	LG12B	LG16BS	LG16BM	LG20BS
Refrigerant				R717/R22
Compressor	Theoretical discharge		m3/h	285	385	598	806
	Capacity control scope			15-100%
Refrigeration capacity	High temp. condition		Kw	307/284	427/394	617/622	916/839
	Intermediate temp. condition		Kw	169.7/163.2	236.7/227.3	372.3/359.2	508.5/486
	Low temp. condition	with economizer	Kw	60.2/66.9	85.1/95	133.4/149.5	183.6/206.5
		no economizer	Kw	50.2/53.1	70.8/74.6	111.5/119.3	152.8/162.4
Rated power of motor	High temp. condition		Kw	65	90	132	185
	Intermediate temp. condition		Kw	65	90	132	185
	Low temp. condition		Kw	55	75	110	160
Power system				3P 50Hz 380V
Rated rotation speed			R/M	2960
Refrigeration oil	Brand			L-DRA/B46
	Charge		Kg	150(110)	200(160)		370(310)
Dia. of suction/discharge pipe			mm	DN80/DN65	DN125/DN80		DN150/DN100
Dia. of secondary suction pipe			mm	DN20	DN25		DN32
Dia. of liquid inlet& outlet pipe of economizer			mm	DN40	DN40		DN50
Dia. of safety valve			mm	DN20	DN25		DN32
Oil cooler	Type			Shell-tube
	Water cooled	Dia. of water inlet pipe	mm	DN32	DN40		DN20
		Cooling water flow	m3/h	about 10	about 15	about 15	about 20
		Design pressure of water side	MPa	0.4
		Water quality standard		GB50050
	Refrigerant cooled	Dia. of liquid inlet pipe	mm	DN25	DN32		DN40
		Dia. of gas outlet pipe	mm	DN40	DN50		DN65
Oil pump	Model			ZH125A(F)R(L)
	Motor power		Kw	1.5	2.2
Outline (L*W*H)			mm	2573*1050*1605 (2524*1065*1605)	3052*1228*1870 (3052*1253*1870)		3234*1386*2076 (3234*1457*2076)
Weight			Kg	about 2200	about 3400	about 3500	about 3800
Operation weight			Kg	about 2860	about 4420	about 4550	about 4940




1. High temperature working condition means 40°C/5°C, intermediate temperature means 40°C/-10°C, and low temperature means 40°C/-35°C. With economizer, the liquid outlet temperature is 5°C higher than saturated temperature of make-up pressure. Cooling water inlet temperature of oil cooler is 33 °C and temperature difference of water inlet/outlet is 5°C.

2. Data with "()" is for refrigerant-cooled oil cooler.




LG20BM, LG25BS, LG25BM and LG25BL, LG32B and LG32BL series parameters:

Item			Unit	LG20BM	LG25BS	LG25BM	LG25BL	LG32B	LG32BL
Refrigerant				R717/R22
Compressor	Theoretical discharge		m3/h	1120	1825	2289	2840	4341	5182
	Capacity control scope			15-100%
Refrigeration    effect	High temp. condition		Kw	1300/1189	2019/1938	2651/2443	3294/3044	5018/ 4637	5998/ 5542
	Intermediate temp. condition		Kw	721.7/689.2	1172/1125	1474/1419	1834/1769	2793/ 2695	3339/ 3221
	Low temp. condition	with economizer	Kw	261.4/289.5	429.9/482.4	541/603.3	674/750	1028.7/ 1149	1230.6/ 1369
		no economizer	Kw	218.7/231.7	357.9/380.4	451.9/481	564.1/601.2	859.3/ 915.9	1027/ 1095
Rated power of motor	High temp. condition		Kw	250	450	500	630	1000	1120
	Intermediate temp. condition		Kw	250	400	450	560	900	1000
	Low temp. condition		Kw	200/220	315	400/450&	450/500&	710/ 800&	800/ 1000&
Power system				3P/50Hz/380V	3P 50Hz 10KV (6KV)
Rated rotation speed			R/M	2960
Refrigeration oil	Brand			L-DRA/B46
	Charge		Kg	370(310)	760		800	1200
Dia. of suction/discharge pipe			mm	DN150/DN100	DN200/DN150		DN250/DN150	DN350/ DN200
Dia. of secondary suction pipe			mm	DN32	DN50		DN50	DN80
Dia. of liquid inlet/outlet pipe of economizer			mm	DN50	DN65		DN65	DN100
Dia. of safety valve			mm	DN32	2*DN32		2*DN32	2*DN50
Oil    cooler	Type			Shell-tube
	Water cooled	Dia. of water inlet pipe	mm	DN65	DN65		DN65	DN100
		Cooling water flow	m3/h	25	35	45	55	90
		Designpressure of water side	MPa	0.4
		Waterquality standard		GB50050
	Refrigerant cooled	Dia. of liquid inlet pipe	mm	DN40	DN50		DN50	DN65
		Dia. of gas outlet pipe	mm	DN65	DN80		DN80	DN125
Oil pump	Model			ZH125A (F)R(L)	2ZH220A(F)		2ZH220A(F)	2*2ZH220A(F)
	Motor    power		Kw	2.2	4		4	2*4
Outline (L*W*H)			mm	3234*1368*2076 (3234*1457*2076)	4597*1980*2963		4597*1980*2963	7257*2750* 3728
Weight			Kg	about 4000	7000-10000		8000-10000	12000	18000
Operation weight			Kg	about 5200	9100-13000		13000	15600	23400




1. High temperature working condition means 40°C/5°C, intermediate temperature means 40°C/-10°C, and low temperature means 40°C/-35°C. With economizer, the liquid outlet temperature is 5°C higher than saturated temperature of make-up pressure. Cooling water inlet temperature of oil cooler is 33 °C and temperature difference of water inlet/outlet is 5°C.


2. Data with "()" is for refrigerant-cooled oil cooler. "&" stands for "with economizer" .

3. For 32 series, the outline description is just for reference and the final dimension will be based on the design drawing.





LG series compound double-stage compressor:

Refrigerant	R717	R22
Discharge pressure MPa	below 1.7
Corresponding saturated temperature °C	below 45.6	below 46.7
Suction pressure MPa	-0.07--0.025	-0.05--0.101
Corresponding evaporative temperature °C	-55°-25
Oil pressure MPa	0.05-0.3 higher than discharge pressure
Oil temperature °C	30-65
Cooling water inlet temperature °C	15.5-33
Cooling water flow deviation	±10%




We can also specially design and manufacture according to the customerss request.

LG1612Z(Y), LG2016Z(Y), LG2520MSZ(Y) and LG3225LSZ(Y) series parameters (ammonia):




Technical parameters of LG series compound double stage ammonia screw refrigeration compressor 

Item		Unit	LG1612Z(Y)	LG2016Z(Y)	LG2520MSZ(Y)	LG3225LSZ(Y)
Compressor	Model		LG1612	LG2016	LG2520MS	LG3225LS
	Theoretical  discharge of low pressure stage	m3/h	598	1120	2289	5182
	Theoretical  discharge of high pressure stage	m3/h	213	385	806	1825
	Capacity  control scope		15-100%
Nominal  working condition		°C	+35/-35
Refrigeration  capacity at nominal working condition		Kw	139.6	273.5	566	1267
Rated  power of main motor		Kw	110	185	355	800
Power system			3P 50Hz 380V		3P 50Hz 10Kv
Rated  rotation speed		R/M	2960
Refrigerant			R717
Refrigeration  oil	Brand		LDRA/B46
	Charge	Kg	about 110	about 350	about 800	about 1000
Dia. of  suction/discharge pipe		mm	DN125/DN65	DN150/DN80	DN200/DN100	DN350/DN150
Dia. of  liquid inlet/outlet of intercooler		mm	DN40	DN50	DN65	DN100
Dia. of  safety valve		mm	DN20	DN25	DN32*2	DN50*2
Water-cooled  oil cooler	Type		Shell-tube
	Dia. of water inlet pipe	mm	DN40	DN65	DN65	DN100
	Cooling water flow	m3/h	about 20	about 45	about 45	about 75
	Design  pressure of water side	MPa	0.4	0.4	0.4	0.4
	Water quality standard		GB50050
Refrigerant-cooled  oil cooler	Type		Shell-tube
	Dia. of liquid inlet pipe	mm	DN32	DN40	DN50	DN65
	Dia. of gas outlet pipe	mm	DN50	DN65	DN80	DN125
	Model		2ZH125AR	2ZH220A	2ZH220A*2	CLB600
	Motor  power	Kw	2.2	4	4*2	11
Outline	L*W*H	mm	3074*1180*1820	3484*1415*2090	5096*1927*3148	8293*2684*3770
Weight		Kg	3300	4500	9000	20000
Operation  weight		Kg	4300	5850	11700	26000




Main motor is selected according to nominal working condition, and the machine can be put into full load operation with evaporative temperature below 25°C

The power of main motor might change under different working condition, and outline might change to match the main motor.

LG1612Z(Y), LG2016Z(Y), LG2520MSZ(Y) and LG3225LSZ(Y) series parameters (freon):




Technical parameters of LG series compound double stage freon screw refrigeration compressor 

Item		Unit	LG1612Z(Y)F	LG2016Z(Y)F	LG2520MSZ(Y)F	LG3225LSZ(Y)F
Compressor	Model		LG1612	LG2016	LG2520MS	LG3225LS
	Theoretical discharge of  low pressure stage	m3/h	598	1120	2289	5182
	Theoretical discharge of  high pressure stage	m3/h	213	385	806	1825
	Capacity control scope		15-100%
Nominal working condition		°C	+35/-35
Refrigeration capacity at nominal working condition		Kw	155.7	301.4	626.8	1417
Rated power of main motor		Kw	110	185	355	800
Power system			3P 50Hz 380V		3P 50Hz 10Kv
Rated rotation speed		R/M	2960
Refrigerant			R22
Refrigeration oil	Brand		LDRA/B46
	Charge	Kg	about 110	about 350	about 800	about 1000
Dia. of suction/discharge pipe		mm	DN125/DN65	DN150/DN80	DN200/DN100	DN350/DN150
Dia. of liquid inlet/outlet of intercooler		mm	DN40	DN50	DN65	DN100
Dia. of safety valve		mm	DN20	DN25	DN32*2	DN50*2
Water-cooled oil cooler	Type		Shell-tube
	Dia. of water inlet pipe	mm	DN40	DN65	DN65	DN100
	Cooling water flow	m3/h	about 20	about 45	about 45	about 75
	Design pressure of water side	MPa	0.4	0.4	0.4	0.4
	Water quality standard		GB50050
Refrigerant-cooled oil cooler	Type		Shell-tube
	Dia. of liquid inlet pipe	mm	DN32	DN40	DN50	DN65
	Dia. of gas outlet pipe	mm	DN50	DN65	DN80	DN125
	Model		2ZH125AR	2ZH220A	2ZH220A*2	CLB600
	Motor power	Kw	2.2	4	4*2	11
Outline	L*W*H	mm	3074*1180*1820	3484*1415*2090	5096*1927*3148	8293*2684*3770
Weight		Kg	3300	4500	9000	20000
Operation weight		Kg	4300	5850	11700	26000




Main motor is selected according to nominal working condition, and the machine can be put into full load operation with evaporative temperature below 25°C

The power of main motor might change under different working condition, and outline might change to match the main motor.