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LG Series Stationary Screw Air Compressor

Meet and even exceed the requirement of national standard of GB19153-2003 Volumetric Air Compressor Energy Efficiency Limit Value.
  • LG series stationary screw air compressor
  • LG series stationary screw air compressor
  • LG series stationary screw air compressor
  • LG series stationary screw air compressor
  • LG series stationary screw air compressor
  • LG series stationary screw air compressor
  • LG series stationary screw air compressor
  • LG series stationary screw air compressor

0.8Mpa / 1.0MPa / 1.3MPa 0.8M3/min - 65M3/min

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Description

LG series screw air compressor adopts the design idea of "large rotor, large bearing and low speed". Its speed is 30-50% lower than other brands of compressors. It can reduce the noise, vibration and discharge temperature, enhance rotor rigidity, extends the service life, and also can reduce the sensibility to the impurities and oil carbon compounds.

The power range is within 4-355KW, where compressors with the power of 18.5-250KW are directly connected without gearbox, and the compressors with the power of 200KW and 250KW are 4-pole motor directly connected. And the rotate speed is lower to be 1480r/min.

Meet and even exceed the requirement of national standard of GB19153-2003 Volumetric Air Compressor Energy Efficiency Limit Value.

Feature

LG series screw air compressor has the following characteristics:
01
Adopt SKK brand, etc. of screw compressor main engine

Special rotor tooth profile provides each model of head with excellent performance

Firm axial and radial bearing

Use triple oil seal to eliminate the leakage problem

Through precisely hardened antifriction bearing with O sealing ring, with high maintainability

Kaishan Mechanical & Electrical Equipment
02
Humanized human machine interface display ctontrol system

Convenient and easy operation

Once the abnormal factor exists, hint for maintenance or repair

Reserved with standby output interface, and achieve multi-set interlocking control and remote diagnosis control

03
Imported microcomputer controller has strong fault diagnosis and protection function

Default phase protection: Any one phase or two phases of three-phase supply is disconnected, the power supply will be cut off automatically

Phase order protection: When phase order of three-phase supply is incorrect, it cannot be started

Overtemperature protection: If the discharge temperature exceeds the set value, the power supply will be cut off automatically

Unloaded protection: After operating unloaded for several minutes, it will automatically be stopped. And it will start up for operation when the air is required.

Automatic unloading: Firstly unload and then stop the machine, so as to avoid that the heavy vehicle is started

Air discharge quantity regulation: Automatically adjust the air discharge quantity and save the energy consumption

04
Low-consumption and high-efficiency motor

The starting torque is large

The insulation grade is Grade F and the protection grade is IP54

SKF bearing with low noise and long service life

Equipped with refueling device and refueling can be conducted under non-stop circumstance

05
Complete set of imported air quantity regulation system

Direct proportion valve and inverse proportion valve will make the feedback of pressure signal 100% to the servo cylinder and inlet control valve.

The inlet control valve implements 0-100% non-polar regulation for the air discharge, making the air demand and air consumption consistent and keep good energy-saving effect.

The temperature control valve is used for setting the opening and closing temperature and automatically adjusting the temperature of lubricating oil, making the viscosity of lubricating oil in the optimal condition, so as to ensure that the discharge temperature is higher than the temperature at pressure dew point, and the replacement period of lubricating oil is extended.

The minimum pressure valve is used for maintaining the injection pressure required by the body lubrication, reducing air velocity of oil-air separator, making the effect of oil-air separation in the optimal condition. And it has the function of check valve

06
Imported filter system

High-efficiency oil-air separator makes the oil content in the air discharge less than 3PPM

High-efficiency engine oil filter used for filtering the impurities in the lubricating oil, so as to provide head rotor and bearing with clean lubricating oil

High-efficiency air filter is used for filtering the dust and impurities in the suction air, so as to prevent the head rotor and bearing from being damaged.

It is equipped with differential pressure transducer. When the filter is blocked and difference between the front and rear pressure exceeds the setting value, it will automatically give the alarm to hint for maintenance or replacement

07
High-quality pressure controller and solenoid valve

When the pressure reaches up to the upper limit, the circuit of pressure controller will be automatically cut off; When the pressure is reduced to the lower limit, the electric arc will be automatically closed

Make on-off of point to point become on-off of air circuit through the solenoid valve

The product has high accuracy, reliability and long-term stability

08
It can be optionally equipped with frequency conversion control system

Specification

Model Working Pressure Capacity (F.A.D) Power Noise Connector Dimension Weight
Bar Psi m³/min CFM (KW/HP) dB(A) mm KG

LG-1.2/8

8

116

1.2

42

7.5 / 10

69

G1

900*700*1040

350

LG-1.0/10

10

145

1.0

35

LG-0.8/13

13

190

0.8

28

LG-1.7/8

8

116

1.7

60

11 / 15

71

G1

1060*800*1230

450

LG-1.5/10

10

145

1.5

53

LG-1.2/13

13

190

1.2

42

LG-2.4/8

8

116

2.4

85

15 / 20

71

G1

1060*800*1230

500

LG-2.2/10

10

145

2.2

78

LG-1.7/13

13

190

1.7

60

LG-3/8

8

116

3.0

106

18.5 / 25

71

G1

1080*880*1415

650

LG-2.7/10

10

145

2.7

95

LG-2.3/13

13

190

2.3

81

LG-3.6/8

8

116

3.6

127

22 / 30

72

G1

1080*880*1415

700

LG-3.2/10

10

145

3.2

113

LG-2.7/13

13

190

2.7

95

LG-5/8

8

116

5.0

176

30 / 40

73

G1½

1300*1100*1650

900

LG-4.5/10

10

145

4.5

159

LG-3.7/13

13

190

3.7

130

LG-6.2/8

8

116

6.2

219

37 / 50

73

G1½

1300*1100*1650

1000

LG-5.6/10

10

145

5.6

197

LG-4.8/13

13

190

4.8

169

LG-7.5/8

8

116

7.5

264

45 / 60

73

G1½

1300*1100*1650

1100

LG-6.9/10

10

145

6.9

243

LG-5.6/13

13

190

5.6

197

LG-10/8

8

116

10.0

352

55 / 75

74

G1½

1500*1250*1566

1250

LG-8.7/10

10

145

8.7

307

LG-7.5/13

13

190

7.5

264

 

 

 

 

LG series screw air compressor 75KW-355KW

 

Model Working Pressure

Capacity (F.A.D)

Power

Noise

Connector

Dimension

Weight

Bar

Psi

m³/min

CFM

(KW/HP)

dB(A)

mm

KG

LG-13/8G

8

116

13.0

458

75 / 100

75

G2

2440*1160*1620

1600

LG-11.6/10G

10

145

11.6

409

LG-9.3/13G

13

190

9.3

328

LG-16/8G

8

116

16.0

564

90 / 125

76

G2

2560*1300*1620

2100

LG-13.5/10G

10

145

13.5

476

LG-11.6/13

13

190

11.6

409

LG-20/8G

8

116

20.0

705

110/ 150

77

DN65

2760*1340*1710

2800

LG-16/10G

10

145

16.0

564

LG-13.5/13G

13

190

13.5

476

LG-22/8G

8

116

22.0

775

132/ 180

78

DN65

2760*1340*1710

2900

LG-20/10G

10

145

20.0

705

LG-16/13G

13

190

16.0

564

LG-27/8G

8

116

27.0

952

160/ 220

80

DN65

2860*1510*1810

3600

LG-23/10G

10

145

23.0

811

LG-20/13G

13

190

20.0

705

LG-30/8G

8

116

30.0

1057

185/ 250

81

DN80

3400*2100*2100

4500

LG-21/13G

13

190

21.0

740

LG-35/8G

8

116

35.0

1234

200/ 270

82

DN100

3400*2100*2100

4500

LG-30/10G

10

145

30.0

1057

LG-27/13G

13

190

27.0

952

LG-40/8G

8

116

40.0

1410

220/ 300

82

DN100

3700*2200*2200

5850

LG-46/8G

8

116

46.0

1621

250/ 340

82

DN100

3700*2200*2200

5950

LG-40/10G

10

145

40.0

1410

LG-58/8G

8

116

58.0

2044

315/ 425

83

DN125

4200*2200*2210

7200

LG-46/10G

10

145

46.0

1621

LG-65/8G

8

116

65.0

2291

355 /482

83

DN125

4200*2200*2210

7400

LG-58/10G

10

145

58.0

2044

 

Package

Packaged with exporting wooden/plywood case. And the package can be customized.

Packing Photos
Kaishan Mechanical & Electrical Equipment
Loading the cabinet
Kaishan Mechanical & Electrical Equipment

 

Inquiry

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