Product Description

For continuous operations demanding unyielding reliability, buying a professional China IE4 Efficiency Motor Oil-Injected Compressor from DECHUAN offers an ideal mechanical solution. Engineered with high-magnetic permeability permanent materials, the IE4 motor operates with significantly lower thermal emissions than standard alternatives, raising factory flow rates (FAD) by an average of 6.9% while keeping your specific energy requirements low.

IE4 Efficiency Motor Oil-Injected Compressor

Core Engineering Features of the IE4 Series

1. Direct Gear-Drive Assembly: Removes the tension loads and power losses common to belt configurations, providing 99% transmission efficiency.

2. Forced Control Cabinet Cooling: Features independent air channeling to lower the ambient temperature around critical electrical relays, doubling their operational life.

3. High-Performance Air End: The specialized screw rotor profile provides tight clearances, preventing internal air backflow slippage.

Why Does Your Motor Efficiency Grade Matter for Long-Term Costs?

In a typical high-duty factory, over 80% of an air compressor's total lifetime cost comes from the electricity it consumes, rather than its initial purchase price. Running low-tier IE2 or standard IE3 motors means your facility is losing thousands of dollars every year to internal copper losses, windage resistance, and heat dissipation.

Our specialized IE4 Efficiency Motor Oil-Injected Compressor fixes this expensive issue. The integration of an IE4 ultra-premium motor means the unit converts electrical energy into mechanical force with minimal loss. Because the motor stays much cooler during operation, bearing grease degradation is slowed down drastically, which virtually eliminates common winding burnouts and unexpected bearing failures that halt plant lines.

Energy Efficiency & Technical Parameters

The integration of ultra-premium motor technology allows the IE4 Efficiency Motor Oil-Injected Compressor to maintain peak efficiency even at partial loads, reducing total operating costs significantly.

GA Series Technical Parameters

Model	Max Working Pressure bar(e)	Max Working Pressure psi	FAD Flow l/s	FAD Flow m³/min	FAD Flow cfm	Motor Power kW	Motor Power hp	Noise Level dB(A)	Weight Standard kg	Weight Standard lbs	Weight Full-performance kg	Weight Full-performance lbs	Outlet Size
GA11	7.5	109	32.4	1.94	69.4	11	15	68	416	918	469	1035	G1*
GA11	8.5	123	29.9	1.80	64.1	11	15	68	416	918	469	1035	G1*
GA11	10.5	152	25.9	1.55	55.5	11	15	68	416	918	467	1030	G1*
GA11	13	189	22.0	1.32	47.1	11	15	68	416	918	465	1026	G1*
GA11	16	231	19.2	1.15	40.6	11	15	65	406	895	497***	1096	G1*
GA15	7.5	109	45.8	2.75	97.1	15	20	65	421	928	474	1045	G1*
GA15	8.5	123	42.0	2.52	88.9	15	20	65	421	928	474	1045	G1*
GA15	10.5	152	38.8	2.33	82.2	15	20	65	421	928	472	1041	G1*
GA15	13	189	32.6	1.95	69.0	15	20	65	421	928	470	1036	G1*
GA15	16	231	27.8	1.67	59.0	15	20	67	425	937	470	1036	G1*
GA18	7.5	109	56.5	3.39	119.6	18.5	25	67	431	950	495	1091	G1*
GA18	8.5	123	53.8	3.23	114.0	18.5	25	67	431	950	495	1091	G1*
GA18	10.5	152	49.0	2.94	103.8	18.5	25	67	431	950	493	1087	G1*
GA18	13	189	40.7	2.44	86.2	18.5	25	67	431	950	491	1082	G1*
GA18	16	231	35.5	2.13	75.2	18.5	25	67	437	963	491	1082	G1*
GA22	7.5	109	65.1	3.91	138.0	22	30	68	440	970	495	1091	G1*
GA22	8.5	123	63.5	3.81	134.6	22	30	68	440	970	495	1091	G1*
GA22	10.5	152	53.3	3.20	112.9	22	30	68	440	970	493	1087	G1*
GA22	13	189	49.0	2.94	103.8	22	30	68	440	970	491	1082	G1*
GA22	16	231	41.2	2.47	87.2	22	30	68	449	990	491	1082	G1*
GA26	7.5	109	72.9	4.37	154.4	26	35	69	500	1102	558	1230	G1*
GA26	8.5	123	68.1	4.09	144.2	26	35	69	500	1102	558	1230	G1*
GA26	10.5	152	61.5	3.69	130.3	26	35	69	500	1102	556	1226	G1*
GA26	13	189	54.7	3.28	115.9	26	35	69	500	1102	554	1221	G1*

Unit performance parameters tested in accordance with ISO 1217, Ed.3, Annex C-1996 Noise level complies with ISO 2151 / Pneurop / CagiPN8NTC2

Reference test conditions:

· Absolute inlet pressure: 1 bar

· Air inlet temperature: 20°C Pressure dew point of built-in dryer for GA 11-26: 5°C

FAD flow measured under below operating pressures:

· 7.5 bar models tested at 7 bar

· 8.5 bar models tested at 8 bar

· 10.5 bar models tested at 10 bar

· 13 bar models tested at 12.5 bar

GA11/15/18/22/26*/30 Integrated Dryer Models Data Table

Model	Max Working Pressure-Standard bar(e)	Max Working Pressure-Standard psig	Max Working Pressure-Full Performance bar(e)	Max Working Pressure-Full Performance psig	FAD Flow l/s	FAD Flow m³/min	FAD Flow cfm	Motor Power kW	Motor Power hp	Noise Level dB(A)	Weight Standard kg	Weight Full-performance kg	Outlet Size
GA 11*	7.5	109	7.3	105	37.7	2.26	79.8	11	15	68	467	507	G1*
GA 11*	8.5	123	8.3	120	35.2	2.11	74.6	11	15	68	467	507	G1*
GA 11*	10.5	152	10.3	149	32.2	1.93	68.2	11	15	68	467	507	G1*
GA 11*	13	189	12.8	185	26.0	1.56	55.1	11	15	68	467	507	G1*
GA 15*	7.5	109	7.3	105	51.6	3.10	109.3	15	20	69	478	534	G1*
GA 15*	8.5	123	8.3	120	47.7	2.86	101.0	15	20	69	478	534	G1*
GA 15*	10.5	152	10.3	149	42.8	2.57	90.7	15	20	69	478	534	G1*
GA 15*	13	189	12.8	185	35.5	2.13	75.2	15	20	69	478	534	G1*
GA 18*	7.5	109	7.3	105	62.2	3.73	131.7	18.5	25	69	480	536	G1*
GA 18*	8.5	123	8.3	120	57.9	3.47	122.6	18.5	25	69	480	536	G1*
GA 18*	10.5	152	10.3	149	53.5	3.21	113.3	18.5	25	69	480	536	G1*
GA 18*	13	189	12.8	185	44.1	2.65	93.4	18.5	25	69	480	536	G1*
GA 22*	7.5	109	7.3	105	73.5	4.41	155.7	22	30	67	539	597	G1*
GA 22*	8.5	123	8.3	120	69.4	4.16	147.0	22	30	67	539	597	G1*
GA 22*	10.5	152	10.3	149	61.5	3.69	130.3	22	30	67	539	597	G1*
GA 22*	13	189	12.8	185	54.3	3.26	115.0	22	30	67	539	597	G1*
GA 26*	7.5	109	7.3	105	85.7	5.14	181.5	26	35	68	571	629	G1*
GA 26*	8.5	123	8.3	120	82.0	4.92	173.7	26	35	68	571	629	G1*
GA 26*	10.5	152	10.3	149	76.5	4.59	162.0	26	35	68	571	629	G1*
GA 26*	13	189	12.8	185	66.4	3.98	140.6	26	35	68	571	629	G1*
GA 30	7.5	109	7.3	105	95.9	5.75	203.1	30	40	70	579	634	G1*
GA 30	8.5	123	8.3	120	91.8	5.51	194.4	30	40	70	579	634	G1*
GA 30	10.5	152	10.3	149	85.0	5.10	180.0	30	40	70	579	634	G1*
GA 30	13	189	12.8	185	76.4	4.58	161.8	30	40	70	579	634	G1*

IE4 Efficiency Motor Oil-Injected Compressor

Unit performance parameters tested in accordance with ISO 1217, Ed.3, Annex C-1996 Noise level complies with ISO 2151 / Pneurop / CagiPN8NTC2

Reference test conditions:

· Absolute inlet pressure: 1 bar

· Air inlet temperature: 20°C Pressure dew point of built-in dryer for GA 11*-30: 2°C ~ 3°C

FAD flow measured under below operating pressures:

· 7.5 bar models tested at 7 bar

· 8.5 bar models tested at 8 bar

· 10.5 bar models tested at 10 bar

· 13 bar models tested at 12.5 bar

IE4 Efficiency Motor Oil-Injected Compressor

Proven Industrial Performance: Steel and Machinery Fabrication

In heavy hardware and steel manufacturing environments, airborne metallic dust and high thermal conditions wear out standard compressor motors quickly. A large hardware manufacturer in Zhejiang replaced their old belt-driven setups with three of our IE4 Efficiency Motor Oil-Injected Compressor units to run their continuous heavy-duty stamping presses.

The results were immediate. The plant recorded an average reduction in specific energy requirements (SER) of 3.3%. Additionally, thanks to the IP55-rated housing and lifetime grease-lubricated motor bearings, these machines have logged over 8,000 hours of continuous operation without requiring a single manual lubrication shutdown, saving hours of scheduled maintenance labor.

High-Intent FAQ

Q: How does the IP55 enclosure protect the motor in heavy dust environments like steel mills?

A: The IP55 classification means the motor frame is completely protected against harmful dust ingress and low-pressure water sprays from any direction, preventing conductive grit from settling on internal windings.

Q: What is the estimated replacement interval for the gear drive assembly?

A: Unlike belts that require replacement every few thousand hours, our heavy-duty direct-coupled gear drive system is designed to match the complete operational lifespan of the compressor air end, requiring only regular gear lubricant fluid changes。

Q: What specific mechanical differences allow an IE4 motor to save more power than an IE3 motor?

A: The IE4 Efficiency Motor Oil-Injected Compressor uses superior rotor materials and optimized stator slots. This layout minimizes core magnetic resistance and reduces thermal dissipation losses by roughly 15-20% compared to IE3 units, ensuring maximum power goes directly to the screw element.

IE4 Efficiency Motor Oil-Injected Compressor