HRG ENGINEERING LIMITED
Air Screw Compressor
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HRG WATER PURIFICATION
EQUIPMENT CO.
Online Water Filter & Dispenser
 
CONTACT INFORMATION
 
 
HRG ENGINEERING LIMITED
HRG WATER PURIFICATION EQUIPMENT CO.
Shapla Bhaban (Ground Floor)
255, East Rampura, Dhaka-1219
Bangladesh.

Tel : +88 02 9347963, 9347969,
Fax : +88 02 9347365,
Cell : +88 01713066638,
   
01733000022
E-mail : info@hrgbd.com
    sales@hrgbd.com
Website : www.hrgbd.com
 
 
 
 



     
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AIR SCREW COMPRESSOR
 




 
AIR SCREW COMPRESSOR


 

PORTABLE TYPE AIR SCREW
COMPRESSOR

 
Features:

The screw comprised of two oil-injection, asymmetric helical profile rotors, bearings and shaft is a state-of-the-art product.
 
Powder coating – long-lasting plastic powder coating
Specially designed fan – fan with a special blade design ensuring most productive cooling of the air and oil
Sponge – sponge specifically manufactured for noise reduction
Frame – lower frame allowing easy handling by a forklift
Air suction filter – air suction filter with a paper component capable of filtering the suction air up to 15-25 microns
Belt tensioner –belt tensioner allowing easy tensioning of belts
Unit – unit in which the screw block is concealed
Separator – atom type separator capable of retaining the oil contained in the air up to 2-4mg/m³
Electrical cabinet – electrical cabinet designed with a full lid which contains all the electrical components.
 
 
 
Air Flow

1 - Air Suction Filter
2 - Air Suction Check Valve
3 - Screw Block
4 - Air/Oil Separator
5 - Min. Pressure Valve
6 - Air Cooler

Oil Flow

7 - Oil Storage Tank
8 - Oil Filter
9 - Thermostatic Mixing Valve
10 - Oil Cooler
11 - Oil Return Line


Control Equipment

• Operating Pressure Gauge
• System Pressure Gauge
• Temperature Gauge
• On-line Current Indicator
• Operating Timer
• Neutral/On-Load Selector Switch
• Start Button
• Emergency Stop Button
Safety Equipment

• Phase Sequence Relay
• Overheating Circuit Breaker
• Main Motor Over-Current Switch
• Fan Motor Over-Current Switch
• Motor Protection Relay
• High Pressure Safety Valve

   
   
 
 

SCREW




It is heart of a compressor.
It compresses air which sucked by two rotary rotor in a housing, through the rotors.
Because of the design of the rotors, system named as screw.

FLOW DIAGRAM

 
 
 
TECHNICAL SPECIFICATIONS
 
TYPE FLOW RATE (m3/min)
POWER
(HP/KW)
VOLT/PHASE
NOISE
LEVEL
(dB)
AIR
DISCH.
DIA.
(Ø”)
DIMENSIONS
LXWXH (mm)
WEIGHT
(KG)
7 Bar 10 Bar 13 Bar
ATV-3
0.42
0.35
0.29
4/3
380/3
63
1/2"
500X750X620
95
ATV-4
0.58
0.43
0.38
5/4
380/3
64
1/2"
500X750X620
105
ATV-5.5
0.8
0.68
0.57
7.5/5.5
380/3
65
1/2"
500X750X620
125
ATV-7.5
1.1
0.9
0.7
10/7.5
380/3
67
1/2"
560X850X690
205
ATV-11
1.7
1.3
1.1
15/11
380/3
69
3/4"
560X850X690
250
ATV-15
2.5
2.1
1.75
20/15
380/3
71
1”
850X940X1500
360
ATV-18
3.1
2.6
2.2
25/18
380/3
72
1”
850X940X1500
400
ATV-22
3.6
3.1
2.75
30.22
380/3
72
1”
850X940X1500
430
ATV-30
5.1
4.3
3.95
40/30
380/3
73
11/4”
850X1250X1700
525
ATV-37
6.2
5.4
05
50/37
380/3
74
11/4”
1150X1250X1700
715
ATV-45
07
6.2
5.7
60/45
380/3
74
11/2”
1150X1250X1700
820
ATV-55
9.6
8.5
7.8
75/55
380/3
75
11/2”
1250X1350X1950
1080
ATV-75
12.3
10.7
9.2
100/75
380/3
76
2”
1400X1900X1950
1670
ATV-90
15.4
12.7
11.6
125/90
380/3
77
2”
1400X1900X1950
1900
ATV-110
18.3
16
14
150/110
380/3
78
21/2”
1400X1900X1950
2250
ATV-132
23.1
20.5
16.2
180/132
380/3
79
21/2”
1900X2300X0940
3460
ATV-160
27.2
23.3
19.5
220/160
380/3
80
21/2”
1900X2300X1940
3700
ATV-200
35.1
29.2
23.6
270/200
380/3
82
3”
1900X2950X1940
4800
ATV-250
43.1
36.2
28
340/250
380/3
83
3”
1900X2950X1940
5400


Brand Name: Aydin Trafo, Origin: Turkey

 
 
 
 
   
 
 
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