Product Description

To build energy-efficient industrial production lines, direct sourcing from professional China VSD Energy-Saving Oil-Injected Screw Compressor manufacturers is your ideal choice. DECHUAN integrates advanced frequency inverters with a gear-driven transmission to reduce internal friction. This system prevents high starting current shocks, ensuring uninterrupted stable plant operation.

What Makes VSD Technology the Ultimate Choice for Modern Factories?

Traditional fixed-speed air compressors operate on a binary load/unload cycle. When the factory's air demand drops, the compressor continues to run at full speed, consuming up to 70% of its rated power while producing zero compressed air. This idling state represents one of the largest sources of energy waste in modern manufacturing.

The VSD Energy-Saving Oil-Injected Screw Compressor solves this fundamental inefficiency by utilizing a high-frequency variable speed drive inverter. Instead of idling, the internal Elektronikon sliding key screen controller registers minute pressure drops in the pipeline network and instantly adjusts the motor’s rotational speed. This ensures that the air output matches the plant's consumption curve in real-time, completely eliminating unloaded power consumption.

VSD Energy-Saving Oil-Injected Screw Compressor

Key Technical Specifications

Our technical ratings remain completely transparent and factory-tested under strict international benchmarks to ensure long-term field stability:

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*

VSD Energy-Saving Oil-Injected Screw 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

Cross-Industry Applications

Fluctuating air demand in heavy manufacturing often forces standard compressors to run unloaded, wasting up to 30% more electricity. The VSD Energy-Saving Oil-Injected Screw Compressor adjusts motor operating speeds dynamically to match real-time air demands, resolving system pressure drops across diverse industrial sectors:

Electronics & Semiconductor Production

Supplies steady, uninterrupted aerodynamic pressure to high-speed pick-and-place lines. It prevents system pressure drop failures, ensuring stable machine calibration.

Pharmaceutical & Chemical Plants

VSD Energy-Saving Oil-Injected Screw Compressor

Deployed alongside waste heat recovery systems to produce hot water up to 90°C for boiler feedwater preheating while keeping second-stage suction temperatures stable at 40°C.

Heavy Machinery Manufacturing

Provides high-flow workshop air while utilizing an internal water circulation loop to supply continuous process water above 70°C, lowering overall factory thermal utility expenses.

Why Choose DECHUAN as Your Supplier?

DECHUAN operates as a comprehensive aerodynamic system service provider, specializing in supply chain optimization, customized system layouts, and long-term energy-saving retrofits.

Proven Regional Scale

Headquartered in Shanghai, DECHUAN has served the eastern China market for over six years, managing an annual sales volume exceeding 50 million RMB and supporting thousands of manufacturing enterprises.

Rapid-Response Service Network

We minimize distance to local clients through decentralized marketing hubs. We guarantee a 10-minute telephonic response, 1-hour local on-site technician deployment, monthly telephone inspections, and quarterly on-site physical machinery checkups.

Product Hardware FAQ

Q: How does the vertical separator design prevent oil carryover during sudden load changes?

A: The vertical structure utilizes centrifugal mechanical separation combined with a high-density micro-fiber filter element. This holds total oil carryover under 0.01 ppm even when the air velocity fluctuates sharply during high-volume demand shifts.

Q: What is the maintenance advantage of gear transmission over belt drives?

A: Gear transmission eliminates transmission transmission slip losses, tension degradation, and regular belt wear. This structural layout increases long-term mechanical efficiency by over 2%, requiring only basic lubricant replacement over thousands of operational hours.

Q: Why is a gear-driven VSD setup superior to a belt-driven frequency compressor?

A: Belt drives suffer from 2% to 5% friction transmission loss and slip as they age, especially during rapid speed changes. The integrated gear transmission in our VSD Energy-Saving Oil-Injected Screw Compressor ensures 99% constant power transmission, removing belt adjustment downtime entirely.

VSD Energy-Saving Oil-Injected Screw Compressor