Zhangqiu Oasis Roots Blower Co., Ltd.

China Manufacturer with main products: Roots Blower, Three Lobes Roots Blower, water treatment, fish farming, Roots Vacuum Pump, Roots Air Blower, Aeration Blower, gas...

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Natural Gas Compressor SafeBuy Supplier Member

FOB Price: 800.00 - 3,000.00 USD/Set
Supply Ability: 3,000 Set/Sets per Month
Shipping: 12days lead time
Payment Terms: L/C, T/T, D/A, Western Union
In Stock
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Shandong in China
Packaging Details: standard export packing

Quick Details

  • Rated Voltage: 380v 400v
  • Rated Power: 7.5kw
  • Power Source: Electric Blower
  • Pressure: High Pressure
  • Type: Roots Blower
  • Application: Fan Blower
  • Model Number: LZSR175
  • Brand Name: OASIS
  • Air flow: 1.0~150m3/min
  • Pressure: 9.8~98kpa
  • Type: three lobes roots blower


three lobe roots blower






Roots blower


9.8-58.8 kpa

Flow rate

0.67-198 m3/min

Motor power



50HZ, 60HZ


380v, 400v, 415v, 440v




Green or customized

Drive type

Direct coupling or belt transmission

Cooling type

Air /Water cooling

Distinct Features:

1. Built on a heritage of smithcraft and machining expertise, our roots blowers' technology is mature and reliable.

2. Raw materials of high quality selected after numerous tests, to satisfy the mechanical properties, meanwhile
realize reasonable cost control.

3. Manufactured with imported CNC machine and skilled technicist, apply imported high-precision synchronous
hard-toothed surface gears to ensure long lifespan.

4. Strict quality control and factory test assuring continuous service in harsh conditions.

5. Sound-proof enclosure is available to reduce noise.

Main applications:

, , , bio gas conveying etc.

Standard accessories:

Inlet silencer with filter, discharge silencer, shockproof pressure gauge, safety valve, flexible joint, check valve,
belt cover, V-belts, pulley, common base, bolt& nuts.

Blower main parts materials

Casing, side plate

HT250 (grey cast iron)

Rotary lobe

QT500 (nodular cast iron)




GCr15 ( SKF or NSK)




Rubber (USA Gates V-belt)



Oil seal

Viton ( Taiwan TTO)

Standard Design and Costruction Features

·100% oil free air delivery.

·Factory engineered, factory guaranteed, superior product.

·Alloy steel hardened and ground timing gears.

·Anti-friction bearings.

·Rigid one piece CI casing and side plates.

·Easy rotor timing setting.

·No vanes, valves or rings to wear.

·Large inlet and outlet connections for minimum loss.

·Improved volumetric efficiency andreduced opearting tempratures.

·Alloy steel toughened shafts ground to close tolerances.


·Water Treatment Plants for backwashing of filter/mixed beds.

·Effluent Treatment Plants for diffused aeration and agitation of effluent.

·Cement Plants for Blending, Aeration, Fluidization, Conveying.

·Aquaculture for maintaining the dissolved Oxygen level.

·Chemical Plants for supplying of process air.

·Electroplating Plants for Oil Free air agitation of electrolyte.

·Paper Plants Knife edge coating, drying, conveying. Vacuum pickup.

·Yarn Drying vacuum/pressure drying of yarn.

·Vacuum Moulding for creating quick vacuum.

·Polyster chip conveying & drying For transfer of polyster chips and other similar materials.

·Bag Filters for reverse cleaning of filter bags.

·Pneumatic Conveying vacuum, pressure and combination conveying of cereals, cement, husk, baggase, granules, powders and other similar material.

·Regeneration of dryers & molecular sieves.

Other products from this supplier

Roots Pump Vacuum Pump    
FOB Price: 800.00-3,000.00 USD/Set
Min Order: 1 Set
Pneumatic Conveying Blower Air Blower    
FOB Price: 800.00-1,200.00 USD/Set
Min Order: 2 Sets
Rotary Blowers Cast Iron Roots Blower    
FOB Price: 800.00-1,200.00 USD/Set
Min Order: 1 Set
Sewage Treatment Blower Aeration Blower    
FOB Price: 800.00-1,200.00 USD/Set
Min Order: 1 Set
Roots Blower for Fish Farm Aquaculture Air Blower    
FOB Price: 800.00-1,200.00 USD/Set
Min Order: 1 Set
Wastewater Treatment Sewage Treatment Blower    
FOB Price: 800.00-1,200.00 USD/Set
Min Order: 1 Set

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