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GK Series


GK Series GK Series

Description:

Efficient, Economical and Dependable… One compressor, double the function. A single switch allows selection of either continuous or intermittent compressor operation, so there’s no need to choose a compressor for just one particular application.

When used in the intermittent operation mode, starting and stopping are smoother because the compressor stops and restarts after idle running in an unloaded state.

The unloaded state of GK Series compressors during intermittent operation reduces oil consumption and significantly improves the durability of most parts, resulting in lower operating costs.

Stopping in an unloaded state means there’s no sudden sound of air discharge typical of conventional intermittent-operation compressors.

Model No.

G-15CK

G-22CK

GK-37

Motor output

kW(ps)

1.5(2)

2.2(3)

3.7(5)

Operating pressure

MPa
(kgf/cm2)

0.78~0.98
{8~10}

Free air delivery

L/min

160

240

430

Basic
compressor

Speed

rpm

975

985

950

Model No.

GNO-2C

GNO-3C

BT-37

Air tank capacity

L

71

80

120

Air outlet
dia.×qty.

B

G1/4×1

G1/4×2

G1/4×1
Rc1/2×1

Approx. dimensions

L

mm

1130

1227

1370

W

394

394

425

H

758

770

890

Noise level

dB(A)

73

74

74

Weight
(including motor)

kg

98

115

171

Model No.

GK-55

GK-75A

GK-110A

GK-150

Motor output

kW(ps)

5.5(7.5)

7.5(10)

11(15)

15(20)

Operating pressure

MPa
(kgf/cm2)

0.78~0.98
{8~10}

Free air delivery

L/min

640

840

1330

1660

Basic
compressor

Speed

rpm

910

870

945

1050

Model No.

BT-55

BT-75A

BT-110A

BT-150P

Air tank capacity

L

150

240

260

260

Air outlet
dia.×qty.

B

G1/4×1
Rc1/2×1

G1/4×1
Rc3/4×1

G1/4×1
Rc1×1

G1/4×1
Rc1×1

Approx. dimensions

L

mm

1395

1560

1660

1660

W

500

600

620

620

H

1065

1150

1234

1242

Noise level

dB(A)

76

76

78

80

Weight
(including motor)

kg

249

303

397

437

What's the Difference between a Single-stage and 2-stage Compressor? (GK-37-150)

Single-stage compressor draws in air and compressor it all at once to the pressure setting. 2-stage compressor first compresses the air to an intermediate pressure and cools it in a low-pressure cylinder, then compresses it to the pressure setting in a high-pressure cylinder.

When air is compressed it becomes very hot, wasting energy and causing deterioration and carbonization of the compressor oil. Air does not get as hot in a 2-stage compressor, so the temperature of the discharged air is lower and less oil is consumed. Operating noise is also reduced.