Product Name: Bi-Lobe Roots Blower (2 Lobes) Model NO.: 2 lobes Type: Roots Type Pressure Medium: Gas Color: Blue Material: Casting Iron Impeller: 2-Lobe Connect: Belt or Direct Drive Drive: Motor Trademark: greentech Transport Package: Wooden Case Specification: 250~500 Origin: China 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.Features: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 lubricationBesides of labyrinth seals, mechanical seals and packing seals are also available to deliver different gases.Specification:Single stage blowers flow: 0.95~452m3/min, pressure rise: 9.8~98kPaSingle stage vacuum pumps flow: 0.51~452m3/min, vacuum: -9.8~-49kPaSingle stage wet type vacuum pumps flow: 0.57~456m3/min, vacuum: -13.3~-53.3kPaApplications: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.