ELGi rotary screw air compressor — 100% duty cycle continuous air supply from 5 HP to 200 HP+ for industrial production plants across NE India.
An ELGi rotary screw air compressor is an industrial-grade continuous-duty compressed air generation machine using two interlocking helical rotors in an oil-injected screw element to compress air to working pressure — typically 7 to 13 bar — at a stable, consistent flow rate. Unlike reciprocating piston compressors designed for intermittent duty, a rotary screw compressor delivers a smooth, pulse-free compressed air supply at 100% duty cycle, matching the demands of production environments where air tools, pneumatic cylinders, spray equipment, and process instruments run continuously throughout a production shift.
Multi Trade Combines supplies ELGi air compressors — including reciprocating and rotary screw models — from our Guwahati Pumps & Motors counter. ELGi Equipment Limited is one of India's leading compressor manufacturers, and their screw compressor range from 5 HP to over 200 HP covers the requirements of manufacturing facilities, paint finishing lines, food and beverage plants, textile mills, and process industries across Northeast India.
Plywood and MDF manufacturing plants in Assam, Meghalaya, and Tripura operate pneumatic clamps, glue spreaders, edge banders, and CNC machining centres that require a constant compressed air supply throughout the production shift. A single rotary screw compressor — or a twin-compressor load-sharing arrangement — supplies the entire plant air network reliably. Downtime from a compressor failure stops the entire production line; an ELGi screw compressor with a planned maintenance regime is significantly more reliable for production-critical applications than a piston machine.
Automotive and vehicle bodywork repair shops in Guwahati operating paint spray booths, DA sanders, and air-fed spray guns need a compressor with the continuous delivery to maintain consistent paint atomisation throughout a spray session. The pulse-free output of a screw compressor improves spray finish quality compared to the pressure fluctuations of a piston compressor with an undersized receiver. Similarly, plastic moulding operations use compressed air for ejection, clamping, and blow-off circuits that demand stable pressure.
Pharmaceutical and food processing plants in Guwahati's industrial estates require oil-free compressed air in critical process applications. ELGi's oil-free screw compressor range (dry or water-injected variants) delivers Class 0 oil-free air for packaging, conveying, and process-contact applications. Multi Trade Combines can specify the correct ELGi model for oil-free applications. Call or WhatsApp to discuss your air flow, pressure, and air-quality requirements and we will quote the appropriate machine for delivery from Guwahati.
| Brand | ELGi |
|---|---|
| Category | Pumps & Motors |
| Key specs | Rotary screw · continuous-duty industrial |
| Type | Oil-injected rotary screw |
| Duty cycle | 100% continuous |
| Pressure range | 7–13 bar |
| Sizes available | 5 HP to 200 HP+ |
| Application | Production plants, automated manufacturing, paint shops |
| Availability | In stock — price on request |
A rotary screw air compressor uses two interlocking helical rotors to compress air continuously — there is no piston, no connecting rod, and no dead-centre reversal. This continuous-duty design means a screw compressor can run at 100% duty cycle for extended periods without overheating, making it ideal for production facilities, automated manufacturing lines, and any application requiring a continuous air supply. A reciprocating piston compressor is designed for intermittent duty — typically 60–75% on-cycle — and will overheat and wear prematurely if run continuously. For workshops using air tools only occasionally, a piston compressor is economical; for a paint shop, textile plant, or food packaging line running air tools and pneumatic equipment all day, a screw compressor is the correct and more energy-efficient choice.
ELGi rotary screw compressors require periodic oil and oil filter changes (the oil-injected screw element uses compressor-grade oil that must be changed at manufacturer-specified intervals — typically 2000–4000 hours), air inlet filter element replacement, separator filter element replacement (which removes entrained oil from the compressed air), belt tension inspection (on belt-driven models), and coolant system checks. The maintenance schedule is set out in the ELGi operation manual for each model. Multi Trade Combines advises customers to log running hours and schedule preventive maintenance proactively — an unexpected compressor failure in a production environment is far more costly than planned maintenance downtime.