Gold Member Since 2013
Audited Supplier
Greentech International (Zhangqiu) Co., Ltd.

Roots Blower, Rotary Blower, Blower manufacturer / supplier in China, offering Bi-Lobe Roots Blower (2 Lobes), PD Blowers (Roots Blower), Pneumatic Conveying Roots Blower (NSRH) and so on.

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Bi-Lobe Roots Blower (2 Lobes)

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: 100sets/Months
Transport Package: Wooden Case
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: 2 lobes
  • Type: Roots Type
  • Material: Casting Iron
  • Connect: Belt or Direct Drive
  • Trademark: greentech
  • Origin: China
  • Pressure Medium: Gas
  • Color: Blue
  • Impeller: 2-Lobe
  • Drive: Motor
  • Specification: 250~500
  • HS Code: 8414
Product Description
Bi-Lobe Roots Blower (2 Lobes)

Greentech International (Zhangqiu) Co., Ltd
is the professional roots blower supplier. The NSRR type Roots type blowers/vacuum pumps are made with the technology introduced from Japan.


Various models including pressure type, vacuum type, dry type, wet type etc.
Small clearance position bearings made in Japan ensures the reliable rotor axial location.
Bi-lobe rotors are made in casting iron, and can be replaced completely for the high precision machining.
Dual splash lubrication
Besides of labyrinth seals, mechanical seals and packing seals are also available to deliver different gases.
Single stage blowers flow: 0.95~452m3/min, pressure rise: 9.8~98kPa
Single stage vacuum pumps flow: 0.51~452m3/min, vacuum: -9.8~-49kPa
Single stage wet type vacuum pumps flow: 0.57~456m3/min, vacuum: -13.3~-53.3kPa

Widely used in Power, petroleum, chemical, fertilizer, steel, metallurgy, oxygen producing, cement, textile, food, paper making, dust-cleaning, aquatic farming, sewage treatment, pneumatic conveying etc. Diverse industries.

Bi-Lobe Roots Blower (2 Lobes)
Bi-Lobe Roots Blower (2 Lobes)
Bi-Lobe Roots Blower (2 Lobes)
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Mr. John Jiang
Sales Manager
To: Mr. John Jiang

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