Name：

AOWID-NH3 Opened Type Compound Two-stage Screw Compressor

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Parameters

Compressor features

Double asymmetric arc enveloping rotor profile, grinding, high efficiency, low noise

John Crane mechanical seal, high reliability

Japan NSK high precision special bearing, high precision, long service life

Rotor radial support adopts sliding bearing, which has high bearing capacity and long service life.

Axial force balance technology, long service life of thrust bearing.

Applicable conditions：

Refigerant		R717	R507A
Maximum exhaust pressure/Saturation temperature	MPa(A)/ ℃	≤1.78/45	≤1.78/38
Maximum inspiratory pressure/Saturation temperature	MPa(A) / ℃	0.119/12	0.119/-43
Minimum inspiratory pressure/Saturation temperature	MPa(A) / ℃	0.03/-45	0.03/-68

Main technical parameters：

Item		Unit	1612MS	1612LS	2016MS	2016LS	2520MS	2520LS
Compressor	Swept volume of low pressure stage	m3/h	606	720	1139	1346	2321	2875
	Swept volume of high pressure stage	m3/h	240	240	423	423	845	845
	Energy range		15～100%
Nominal working conditions		℃	+40/-35
Cooling capacity under nominal working conditions		kW	156/199	183/226	301/378	352/428	625/783	761/908
Refrigerant	Varieties		R717/R507A
Diameter of suction		mm	DN125	DN125	DN150	DN150	DN250	DN250
Diameter of discharge		mm	DN50	DN50	DN65	DN65	DN100	DN100
Diameter of liquid inlet & outletof intermediate cooler		mm	DN40	DN40	DN50	DN50	DN65	DN65
Diameter of safety valve		mm	DN25	DN25	DN32	DN32	2*DN32	2*DN32
Refrigerant-cooled and oil-cooled cooler	Type		Shell-tube
	Diameter of liquid inlet	mm	DN32	DN32	DN40	DN40	DN50	DN50
	Diameter of air discharge	mm	DN50	DN50	DN65	DN65	DN80	DN80
Dimensions	（LWH）	mm	316813102154	316813102154	373714402316	373714402356	494919002982	494919002982
Unit weight		kg	～4000	～4000	～4500	～4500	～9000	～9000
Please consult with Aowei for other special requests.

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