... low temperature resistance, corrosion resistance, anti-bending, anti-fallProduct Specification: Φ91*632 (unit: mm)Materials: GFASInstallation Diameter: Φ91Length:632Steel shaft extended ... vanes(pcs):35Rotation Direction: CWNow we have diameter of series Φ60, Φ61, Φ67, Φ71, Φ76, Φ77, Φ81, Φ85, Φ88, Φ88.8 ... , Φ89, Φ90, Φ91, Φ92, Φ93, Φ93.4, Φ94, Φ95, Φ96, Φ97, Φ97.4 ...