Shanghai Unitec Compressor Co., Ltd
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UDS series oil-free screw compressor
The air filter uses two types of non-woven fabrics with three-dimensional chemical fibers through lamination to capture dust in a three-dimensional ma
Product details
  • The air filter uses two types of non-woven fabrics with three-dimensional chemical fibers to capture dust in a three-dimensional manner through lamination.

  • The built-in exhaust muffler can suppress pressure pulses in compressed gas and reduce harsh high-frequency noise.

  • We have adopted a well-designed lifting structure check valve, reducing the movement and sliding parts, and adopting a design to prevent backflow of exhaust air, which helps to extend the service life and enhance reliability.

  • The capacity regulating valve adopts a simple structure that drives the suction valve through a hydraulic piston. High durability, reducing the pressure setting range during load reduction, thus contributing to energy conservation.

  • The highly reliable environmental protection technology OMCS ensures the recycling and reuse of gearbox oil fumes without polluting the environment.

  • The sturdy new structure soundproof cover with low noise and the new low-noise host effectively reduce operating noise.

  • The new multifunctional operation panel is clear, easy to distinguish, and convenient to operate.


  • environment protection

    -Dry oil-free (Class 0 clean oil-free compressed air).

    -All of our zero grade oil-free air compressors fully comply with the food safety management system.

  • technical design

    -CFD three-dimensional flow technology analysis optimizes the flow channel.

  • Unique thermal expansion compensation three-dimensional rotor:

    -The running clearance is consistent and the internal leakage is small.

    -High durability new coating technology.

  • maintenance

    -Long life bearings, high reliability shaft seals.

    -The maintenance cycle of the first stage host is 12 years, and the maintenance cycle of the second stage host is 6 years.

    -The longer replacement cycle for vulnerable parts and the longer cleaning cycle for coolers, which have more advantages, result in lower maintenance costs.

  • energy-saving control

    -APC terminal pressure control.

    -PSC precision pressure control.

    -Control, communication, and remote monitoring of up to nine units.

    -The variable frequency regulation range is large, and energy saving is significant.

Untitled document

2-level standard specifications:


frequency
50HZ
Exhaust pressure [MPaG]
Inhalation conditions
20 ℃ RH0%、 Atmospheric pressure (0.1MPa (A))
Rack NO
UH20E
UH20D
UH20C
UH20B
UH20A
UH31D
UH31C
UH31B
UH31A
UH42D
UH42C
UH42B
UH42A
0.7
(Max0.71)
model
UDS90W
UDS115W
UDS145W
UDS160W
UDS185W
UDS200W
UDS220W
UDS250W
UDS280W
UDS315W
UDS350W
UDS390W
UDS440W
air volume
m3/h
1000
1295
1550
1780
1985
2245
2480
2770
3110
3630
3970
4380
4910
m3/min
16.7
21.6
25.8
29.7
33.1
37.4
41.3
46.2
51.8
60.5
66.2
73.0
81.8
output power
KW
90
115
145
160
185
200
220
250
280
315
250
390
440
cooling water flow
m3/min
12
14
16
18
19
23
25
27
30
34
37
42
46
0.8
(Max0.93)
model
UDS90W
UDS115W
UDS145W
UDS160W
UDS185W
UDS200W
UDS220W
UDS250W
UDS280W
UDS315W
UDS350W
UDS390W
UDS440W
air volume
m3/h
900
1070
1306
1520
1770
1825
2100
2360
2670
3090
3490
3930
4360
m3/min
15.0
17.8
22.7
25.3
29.5
30.4
35.0
39.3
44.5
51.5
58.2
65.5
72.7
output power
KW
90
110
132
150
180
180
200
235
270
300
340
380
430
cooling water flow
m3/min
12
14
16
18
21
23
25
27
30
35
39
43
48
1.0
(Max1.03)
model
UDS90W
UDS115W
UDS145W
UDS160W
UDS185W
UDS200W
UDS220W
UDS250W
UDS280W
UDS315W
UDS350W
UDS390W
UDS440W
air volume
m3/h
820
990
1225
1420
1680
1680
1900
2160
2470
2800
3155
3595
4000
m3/min
13.7
16.5
20.4
23.7
28.0
28.0
31.7
36.0
41.2
46.7
52.6
59.9
66.7
output power
KW
90
110
140
155
185
185
210
240
275
300
340
390
430
cooling water flow
m3/min
12
14
16
18
21
23
25
28
31
37
41
44
50
Motor model
Fully enclosed external fan motor
Fuel tank storage capacity
L
70
Pipeline size
Gas outlet
2-1/2"(65A)
3"(80A)
4"(100A)
Cooling water inlet and outlet
2"(50A)
2-1/2"(65A)
3"(80A)
approximate dimensions
length
mm
3000
3200
3800
width
mm
1700
1700
1950
height
mm
2050
2200
2300

Note (1) The air volume is a value converted to the suction state of the compressor. (2) Discharge pressure indicates gauge pressure. (3) The output power represents the nominal power.


Single segment standard specifications:

frequency
50HZ
Exhaust pressure [MPaG]
Inhalation conditions
20 ℃ RH0%、 Atmospheric pressure (0.1MPa (A))
Rack NO
UH2E
UH2D
UH2C
UH2B
UH2A
UH3D
UH3C
UH3B
UH3A
UH4D
UH4C
UH4B
UH4A
0.25(Max0.25)
model

UDSL
55W

UDSL
75W

UDSL
90W

UDSL
110W

-

UDSL
132W

UDSL
160W

UDSL
180W

-

UDSL
200W

UDSL
240W

UDSL
270W

UDSL
280W

air volume
m3/h
955
1250
1565
1860
-
2290
2710
3010
-
3475
4120
4700
4840
m3/min
15.9
20.8
26.1
31.0
-
38.2
45.2
50.2
-
57.9
68.7
78.3
80.7
output power
KW
55
75
90
110
-
132
160
180
-
200
240
270
280
cooling water flow
m3/min
7
8
10
13
-
16
17
20
-
25
28
30
32
0.34(Max0.35)
model
-

UDSL
75W

UDSL
95W

UDSL
110W

UDS
132W

-

UDSL
145W

UDSL
185W

UDSL
210W

-

UDSL
240W

UDSL
275W

UDSL
315W

air volume
m3/h
-
1005
1295
1505
1745
-
2070
2550
2825
-
3385
3840
4360
m3/min
-
16.8
21.6
25.1
29.1
-
34.5
42.5
47.1
-
56.4
64.0
72.7
output power
KW
-
75
95
110
132
-
145
185
210
-
240
275
315
cooling water flow
m3/min
-
8
10
13
15
-
18
21
25
-
28
33
37
Motor model
Fully enclosed external fan motor
Fuel tank storage capacity
L
70
Pipeline size
Gas outlet
3"(80A)
4"(100A)
6"(150A)
Cooling water inlet and outlet
1-1/2"(40A)
2"(50A)
2-1/2"(65A)
approximate dimensions
length
mm
3000
3200
3800
width
mm
1700
1700
1950
height
mm
2050
2200
2300










Note (1) The air volume is a value converted to the suction state of the compressor. (2) Discharge pressure indicates gauge pressure. (3) The output power represents the nominal power.


Standard specifications for 2-stage frequency converter:

frequency
50HZ
Exhaust pressure [MPaG]
Inhalation conditions
20 ℃ RH0%、 Atmospheric pressure (0.1MPa (A))
Rack NO
UH20A
UH31A
UH42A
0.7(Max0.71)
model
UDS185-VFD
UDS280W-VFD
UDS440W-VFD
air volume
m3/h
2010
3115
4865
m3/min
33.5
51.9
81.1
output power
KW
185
280
440
cooling water flow
m3/min
19
30
46
0.8(Max0.93)
model
UDS180W-VFD
UDS270W-VFD
UDS430W-VFD
air volume
m3/h
1810
2690
4390
m3/min
30.2
44.8
73.2
output power
KW
180
270
430
cooling water flow
m3/min
21
30
48
1.0(Max1.03)
model
UDS180-VFD
UDS275W-VFD
UDS430W-VFD
air volume
m3/h
1680
2460
4045
m3/min
28.0
41.0
67.4
output power
KW
185
275
430
cooling water flow
m3/min
21
31
50
Motor model
Fully enclosed external fan motor
Fuel tank storage capacity
L
70
100
Pipeline size
Gas outlet
2-1/2"(65A)
3"(80A)
4"(100A)
Cooling water inlet and outlet
2"(50A)
2-1/2"(65A)
3"(80A)
approximate dimensions
length
mm
3000
3200
3800
width
mm
1700
1700
1950
height
mm
2050
2200
2300

Note (1) The air volume is a value converted to the suction state of the compressor. (2) Discharge pressure indicates gauge pressure. (3) The output power represents the nominal power.


Standard specifications for single-stage frequency converter:

frequency
50HZ
Exhaust pressure [MPaG]
Inhalation conditions
20 ℃ RH0%、 Atmospheric pressure (0.1MPa (A))
Rack NO
UH2B
UH3B
UH4B
0.7(Max0.71)
model
UDSL110-VFD
UDSL80W-VFD
UDSL270W-VFD
air volume
m3/h
1865
3015
4680
m3/min
31.1
50.3
78
output power
KW
110
180
270
cooling water flow
m3/min
13
20
30
0.8(Max0.93)
model
UDSL110W-VFD
UDSL185W-VFD
UDSL275W-VFD
air volume
m3/h
1510
2580
3895
m3/min
25.2
43
64.9
output power
KW
110
185
275
cooling water flow
m3/min
13
21
33
Motor model
Fully enclosed external fan motor
Fuel tank storage capacity
L
70
100
Pipeline size
Gas outlet
3"(80A)
4"(100A)
6"(150A)
Cooling water inlet and outlet
1-1/2"(40A)
2"(50A)
2-1/2"(65A)
approximate dimensions
length
mm
3000
3200
3800
width
mm
1700
1700
1950
height
mm
2050
2200
2300

Note (1) The air volume is a value converted to the suction state of the compressor. (2) Discharge pressure indicates gauge pressure. (3) The output power represents the nominal power.

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Successful operation!

Successful operation!

Successful operation!