ALMiG LENTO Oil Free Screw Compressor

ALMiG - LENTO Oil Free Screw Compressor

Supplier: Glenco Air & Power

LENTO Oil Free Screw Compressor

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The ALMiG LENTO oil-free screw compressor generates 100% oil-free compressed air using water-injected compression, with speed-controlled direct drive and an integrated refrigeration dryer.

100% oil-free compressed air

Features

Generates 100% oil-free compressed air for pharmaceutical, food, chemical, electrical engineering, medical and other industrial applications.
Uses only water in the compression process. ISO class 0, certified in accordance with DIN ISO 8573-1:2010.
Drawn-in dust particles are washed out by water. Clean condensate can be discharged directly into the sewer system.
Single-stage, water-injected compression at temperatures of <60°C provides close-to-isothermic, economical compression. Water heat transfer reduces energy used to generate compressed air.
Speed-controlled direct drive precisely matches volume flow to demand, without switching cycles or expensive idle times.
Energy-saving soft start without current peaks; zero-loss SCD direct-drive power transfer.
Operating pressure freely selectable between pmin – pmax in 0.1 bar increments; reducing pressure can save money.
Integrated refrigeration dryer provides a low pressure dew point and dry outlet air, with permanent generation and exchange of coolant for optimum biological and chemical water quality. Under certain circumstances, no separate refrigeration dryer is needed.
Avoids fresh-water supply and processing costs and minimises service and maintenance costs compared with other oil-free compression systems.
Compact, powerful, reliable SCD motor; integrated SCD frequency converter according to EMC guidelines.
Stainless steel piping.
Smart Air Control monitors, visualises and documents. AIR CONTROL P is standard; AIR CONTROL HE is optional.

General specifications

Specification	Value
Power output	15 - 110 kW
Volume flow acc. to ISO 1217 (Annex C-2009)	1.01 - 19.60 m3/min
Operating pressure	5 - 10 bar
Cooling	Water-cooled (standard); Air-cooled (option)
Cooling restriction	Only water-cooled available as of LENTO 76
Drive	Direct and speed-controlled
Motor	Energy efficiency class IE 3; IP 55 protection, protection class F
SCD motor	IP 55 protection class ISO F

50 Hz speed-controlled technical data

LENTO	Operating overpressure (bar)	Volume flow acc. to ISO 1217 (Annex C-2009), min. (m3/min)	max. (m3/min)	Rated motor power (kW)	Length (mm)	Width (mm)	Height (mm)
15	5 - 10	1.01	2.34	15	1880	850	1660
18	5 - 10	1.01	2.87	18.5	1880	850	1660
22	5 - 10	1.01	3.38	22	1880	850	1660
30	5 - 10	1.01	4.30	30	1880	850	1660
31	5 - 10	2.04	5.08	30	2300	1400	1560
37	5 - 10	2.04	6.14	37	2300	1400	1560
45	5 - 10	2.04	7.13	45	2300	1400	1560
55	5 - 10	2.04	8.19	55	2300	1400	1560
46	5 - 10	2.49	8.18	45	2674	1400	1769
56	5 - 10	2.49	9.86	55	2674	1400	1769
75	5 - 10	2.49	12.46	75	2674	1400	1769
76	5 - 10	4.06	13.82	75	3448	1500	1927
90	5 - 10	4.06	16.43	90	3448	1500	1927
110	5 - 10	4.06	19.60	110	3448	1500	1927

Volume flow relates to an operating overpressure of 7 bar at 50 Hz.
LENTO 15 - 55 is identified as air-cooled.
Technical-data cooling note: LENTO 15–70 water-cooled as standard, air-cooled as an option; LENTO 75 D and LENTO 80–110 only available as water-cooled.

60 Hz speed-controlled technical data

LENTO	Operating overpressure (psig)	Volume flow acc. to ISO 1217 (Annex C-2009), min. (acfm)	max. (acfm)	Rated motor power (HP)	Length (inch)	Width (inch)	Height (inch)
15	75 - 145	36	83	20	74	33.5	65.4
18	75 - 145	36	103	25	74	33.5	65.4
22	75 - 145	36	121	30	74	33.5	65.4
30	75 - 145	36	153	40	74	33.5	65.4
31	75 - 145	72	182	40	90.6	55.1	61.4
37	75 - 145	72	220	50	90.6	55.1	61.4
45	75 - 145	72	255	60	90.6	55.1	61.4
55	75 - 145	72	292	75	90.6	55.1	61.4

Volume flow relates to an operating overpressure of 100 psig at 60 Hz.
LENTO 46 - 110 in 60 Hz Version on request.

Features

Generates 100% oil-free compressed air for pharmaceutical, food, chemical, electrical engineering, medical and other industrial applications.
Uses only water in the compression process. ISO class 0, certified in accordance with DIN ISO 8573-1:2010.
Drawn-in dust particles are washed out by water. Clean condensate can be discharged directly into the sewer system.
Single-stage, water-injected compression at temperatures of <60°C provides close-to-isothermic, economical compression. Water heat transfer reduces energy used to generate compressed air.
Speed-controlled direct drive precisely matches volume flow to demand, without switching cycles or expensive idle times.
Energy-saving soft start without current peaks; zero-loss SCD direct-drive power transfer.
Operating pressure freely selectable between pmin – pmax in 0.1 bar increments; reducing pressure can save money.
Integrated refrigeration dryer provides a low pressure dew point and dry outlet air, with permanent generation and exchange of coolant for optimum biological and chemical water quality. Under certain circumstances, no separate refrigeration dryer is needed.
Avoids fresh-water supply and processing costs and minimises service and maintenance costs compared with other oil-free compression systems.
Compact, powerful, reliable SCD motor; integrated SCD frequency converter according to EMC guidelines.
Stainless steel piping.
Smart Air Control monitors, visualises and documents. AIR CONTROL P is standard; AIR CONTROL HE is optional.

General specifications

Specification	Value
Power output	15 - 110 kW
Volume flow acc. to ISO 1217 (Annex C-2009)	1.01 - 19.60 m3/min
Operating pressure	5 - 10 bar
Cooling	Water-cooled (standard); Air-cooled (option)
Cooling restriction	Only water-cooled available as of LENTO 76
Drive	Direct and speed-controlled
Motor	Energy efficiency class IE 3; IP 55 protection, protection class F
SCD motor	IP 55 protection class ISO F

50 Hz speed-controlled technical data

LENTO	Operating overpressure (bar)	Volume flow acc. to ISO 1217 (Annex C-2009), min. (m3/min)	max. (m3/min)	Rated motor power (kW)	Length (mm)	Width (mm)	Height (mm)
15	5 - 10	1.01	2.34	15	1880	850	1660
18	5 - 10	1.01	2.87	18.5	1880	850	1660
22	5 - 10	1.01	3.38	22	1880	850	1660
30	5 - 10	1.01	4.30	30	1880	850	1660
31	5 - 10	2.04	5.08	30	2300	1400	1560
37	5 - 10	2.04	6.14	37	2300	1400	1560
45	5 - 10	2.04	7.13	45	2300	1400	1560
55	5 - 10	2.04	8.19	55	2300	1400	1560
46	5 - 10	2.49	8.18	45	2674	1400	1769
56	5 - 10	2.49	9.86	55	2674	1400	1769
75	5 - 10	2.49	12.46	75	2674	1400	1769
76	5 - 10	4.06	13.82	75	3448	1500	1927
90	5 - 10	4.06	16.43	90	3448	1500	1927
110	5 - 10	4.06	19.60	110	3448	1500	1927

Volume flow relates to an operating overpressure of 7 bar at 50 Hz.
LENTO 15 - 55 is identified as air-cooled.
Technical-data cooling note: LENTO 15–70 water-cooled as standard, air-cooled as an option; LENTO 75 D and LENTO 80–110 only available as water-cooled.

60 Hz speed-controlled technical data

LENTO	Operating overpressure (psig)	Volume flow acc. to ISO 1217 (Annex C-2009), min. (acfm)	max. (acfm)	Rated motor power (HP)	Length (inch)	Width (inch)	Height (inch)
15	75 - 145	36	83	20	74	33.5	65.4
18	75 - 145	36	103	25	74	33.5	65.4
22	75 - 145	36	121	30	74	33.5	65.4
30	75 - 145	36	153	40	74	33.5	65.4
31	75 - 145	72	182	40	90.6	55.1	61.4
37	75 - 145	72	220	50	90.6	55.1	61.4
45	75 - 145	72	255	60	90.6	55.1	61.4
55	75 - 145	72	292	75	90.6	55.1	61.4

Volume flow relates to an operating overpressure of 100 psig at 60 Hz.
LENTO 46 - 110 in 60 Hz Version on request.

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Supplier

Supplier: Glenco Air & Power

Location: Parkinson, QLD

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