Product Name: Special Gas/Chemical Gas/Natural Gas Roots Blower (RRC-100) Model NO.: RRC-100 Certification: ISO Pressure: Medium Pressure Flow Direction: L Usage: for Manufacture Material: Iron Blower: Roots Blower Trademark: ZHANGGU Transport Package: Exporting wooden case Specification: JB/T8941-1999 Origin: China HS Code: 84145990 Product Description Special Gas/Chemical Gas/Natural Gas Roots BlowerPerformance data:Air flow capacity: 0.5~500 cubic meter per minute.Pressure rise: One-stage 98kPa, Two-stage 196kPaNegative pressure:One-stae dry type: -40kPaOne-stage wet type: -50kPaTwo-stage wet type: -60kPaUsage:Electricity, chemical industry,Iron and steel, cement industry, sewage treatment, pneumatic conveying etc.Features:Wide range of capacity, prissure and vacuum.Simple structure and easy maintenance.Different seal method at option.Main part nc machined to strict torlerance.Low noise and less vibration.