Max flow: 22.5 gpm Max pressure: 300 psi Max rpm: 1000 Port sizes: 3/4" FNPT Pump shaft rotation: CCW Housing: Cast iron Rotor: Cast iron Roller material: Super rollers standard, Poly and Teflon® available Roller quantity: 8 Shaft seals: Viton® standard, Buna available Shaft: 15/16" solid stainless steel 12 gpm/45.4 lpm at 540 rpm 22.5 gpm/85.2 lpm at 1000 rpm Max fluid temperature: 140°F