Heavy duty cast iron square AG housing and end plates. Inlet and outlet flanges adapt to 10"Ø ANSI 150 connection. Standard 8-vane, open ended, mild steel rotor with beveled tips. Shielded outboard bearings. Powered by a 1HP Inverter-duty Nord gearmotor: 208-230/460 volt, 60Hz, 3 phase. Max. Operating Temperature: up to 100°F. Shaft seals: Graphited PTFE with oil compression packing. Rotor speed: 22.5RPM. Valve height: 15.0"