Ro-Flo sliding vane compressors are the world leader in handling heavy, dirty and corrosive gases. So robust and dependable that every one of the world’s 25 largest oil and gas companies have selected Ro-Flo compressors for their vapor recovery and associated gas applications. Since the 1930s, Ro-Flo compressors have been known for their reliability in compression applications. It’s normal for our compressors to last decades. We regularly receive requests for spare parts for units built 30 years ago.