AR RCA35G16E-F8 Triplex Pump 3.5 GPM 1600 PSI 1750 RPM 5/8″ Hollow Shaft by | Jul 22, 2026Pump Type Axial Radial Triplex. Flange Type: F8. Maximum Flow Rate 3.5 GPM (13.2 L/min). Shaft Size: 5/8″ Hollow Shaft (Electric Shaft Version). Pump Head Brass. Pump Construction. Durable brass pump head for corrosion resistance.