Gold Member Since 2016
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Shanghai Bestrand International Trading Co., Ltd.

Air Compressor, Compressor, Screw Air Compressor manufacturer / supplier in China, offering Variable Speed Rotary Screw Air Compressor, Atlas Copco Screw Air Compressor (GA45VSDFF GA55VSDFF GA75VSDFF GA90VSDFF), Ingersoll Rand Oil-Free Rotary Screw Air Compressor (SL250 SM250 SH250) and so on.

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Supplier Homepage Product BESTRAND Screw air compressor Variable Speed Rotary Screw Air Compressor

Variable Speed Rotary Screw Air Compressor

FOB Price: US $2,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $2,000/ Piece
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Production Capacity: 200/Month
Transport Package: Wooden Case
Payment Terms: T/T

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Basic Info
  • Model NO.: BTB-5.5AVSD ~ BTD-400A/WVSD
  • Cooling System: Air Cooling
  • Cylinder Position: Vertical
  • Installation Type: Stationary Type
  • Performance: Low Noise
  • Configuration: Stationary
  • Application: Intermediate Back Pressure Type
  • Trademark: Bestrand
  • Origin: Shanghai
  • Lubrication Style: Lubricated
  • Power Source: AC Power
  • Structure Type: Closed Type
  • Type: Screw
  • Drive Mode: Electric
  • Material: Cast Iron
  • Mute: Not Mute
  • Specification: ISO, CE
  • HS Code: 84148090
Product Description
Variable Speed Screw Air Compressor
BESTRAND develops its variable speed screw compressors to be high energy efficiency. At full load, the variable speed compressors will produce the most air using the least energy. Even more important,
BESTRAND will guarantee these efficiencies down to loads as low as 25%. A conventional , fixed-speed air compressor is controlled by a suction control valve that modulatesbetween open and closed positions. But using the suction valve to meet system air demand results in extreme pressure fluctuations and wasted energy, greatly reducing efficiency whenever the compressor operates outside its optimum performance range. Using a frequency inverter and the variable-frequency motor, BESTRAND compressors deliver the only true variable speed drive. With a true VSD, air is delivered at a constant pressure, regardless ofdemand, at maximum efficiency. Remarkably, BESTRAND compressors achieve constant pressure and maximum efficiency across their entire operating range, from 100% loaded down to as low as 25% loaded.

Frequency changer advantages
Reduce the motor working voltage and realize the energy-saving effect under small
gas consumption by reducing the operating frequency.
Reach the balance quickly by increasing or decreasing the operating frequency.
Under large consumption, air compressor can achieve maximum rated discharge
capacity; Ifsmall, it can reduce exhaust emission that is still enough users.
Motor starts smoothly, little impact on the power grid, small damage on motor itself.

Variable Speed Rotary Screw Air Compressor

Efficient permanent magnet motor(PM motor)
Frequency changer advantages
The PM motor equipped is much better energy saving than ordinary frequency conversion motor and could, especially at low speed, keep high motor efficiency. Reduce the motor working voltage and realize the energy-saving effect under small
gas consumption by reducing the operating frequency. Reach the balance quickly by increasing or decreasing the operating frequency. Under large consumption, air compressor can achieve maximum rated discharge capacity; Ifsmall, it can reduce exhaust emission that is still enough users. Motor starts smoothly, little impact on the power grid, small damage on motor itself.
The motor has a small size about 1/3 ofordinary frequency conversion motor and is easy to install and uninstall.
Variable Speed Rotary Screw Air Compressor

One-piece Structure
Why inverter air compressor...
Permanent magnet motor and airend use the embedded integrated shaft connecting structure, more compact, 100%
transmission efficiency.
Generally the need ofcompressed air is fluctuant but ordinary compressor keeps full energy consumption at 100% output.
Inverter compressor is capable of saving energy by accurately calculate the output power according to users' demand.
No motor bearings, eliminating the motor bearing fault points.
Variable Speed Rotary Screw Air Compressor
Technical Data
ModelDischarge Capacity (m³/min)Noise LevelMotor PowerOutlet ConnectionDimension(mm)Weight
7bar8bar10bar13bardB(A)(KW/HP)LWH(kg)
 
Belt type
BTB-5.5AVSD0.910.840.750.63655.5/7.53/4"780680800370
BTB-7.5AVSD1.31.210.84657.5/103/4"780680800400
BTB-11AVSD1.71.61.41.26511/153/4"1100800980480
BTB-15AVSD2.42.321.66815/203/4"1100800980510
BTB-18.5AVSD32.92.72.36818.5/251"12508701180670
BTB-22AVSD3.73.63.22.86822/301"12508701180730
BTB-30AVSD5.254.53.86930/401"12508701180840
BTB-37AVSD6.56.25.64.96937/501 1/2"15409501290970
BTB-45AVSD87.375.97045/601 1/2"154095012901100
BTB55-A/WVSD10.19.58.77.87055/752"1600115014201630
BTB75-A/WVSD13.612.812.310.27275/1002"2010126014602030
 
Direct coupling type
BTD-22AVSD3.63.43.22.86822/301"13009201100780
BTD-37AVSD6.56.25.64.96937/501 1/2"1450100012401000
BTD-45AVSD87.375.97045/601 1/2"145095012901100
BTD-55A/WVSD10.19.58.57.57055/752"1720120013401800
BTD-75A/WVSD13.612.312.310.27275/1002"2010126014602030
BTD-90A/WVSD16.115.51412.57290/125DN502010126014602630
BTD-110A/WVSD21.219.617.815.573110/150DN652300160017902950
BTD-132A/WVSD24.123.220.517.874132/175DN652300160017903150
BTD-160A/WVSD28.827.82522.475160/220DN802650170018503650
BTD-185A/WVSD32.531.22825.877185/250DN802650170018504030
BTD-200A/WVSD34.53430.52876200/270DN802650170018504400
BTD-220A/WVSD36.834.731.529.580220/300DN1003000190019305000
BTD-250A/WVSD4341.53834.978250/350DN1003000190019305350
BTD-280A/WVSD51.3550.5946.0641.5182280/375DN1254200220022407650
BTD-315A/WVSD56.7955.9550.0845.6282315/400DN1254200220022407650
BTD-355A/WVSD66.0865.4355.1249.5883355/450DN1254200220022408250
BTD-400A/WVSD75.0574.3164.4658.0783400/500DN1254200220022408250

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