PB801A / PB 801A Fluid-o-Tech 260 GPH 4.33 GPM Standard Bypass High Volume Stainless Steel Rotary Vane Pump

High-Volume 1/2-Inch NPT Vane Pump with V-Band Clamp Mount for Beverage, Booster and RO Systems

The Fluid-o-Tech PB 801A is a positive displacement rotary vane pump for post-mix drink dispensers, cooling systems, booster systems, and water treatment equipment such as reverse osmosis units. It belongs to the PO 500-1000 high-volume series and is rated at 800 L/h (211 GPH) at 1450 RPM. On a 1725 RPM motor it delivers about 250 GPH (4.17 GPM). According to Fluid-o-Tech, pumps in this series are self-priming and deliver pulsation-free flow.

A V-band clamp holds the pump directly on a NEMA 48YZ-frame motor, and the slotted shaft comes with a brass key. NEMA 56C, M71 and M80 motors need Fluid-o-Tech's adapter and coupling set. Inlet and outlet ports are 1/2-inch NPT. The built-in relief valve is adjustable and leaves the factory set at 170 PSI (12 bar) unless another setting is requested. Its job is overpressure protection, so it should not be used to regulate flow.

The housing is low-lead brass, the rotor is AISI 303 stainless steel, and the pumping chamber and vanes are carbon graphite. The seal is NBR (Buna-N). As a PB pump, the PB 801A is NSF 169 listed and meets the low-lead requirements of California AB 1953. It is rated for a maximum static pressure of 290 PSI (20 bar), a maximum differential pressure of 230 PSI (16 bar), and liquid temperatures up to 158°F (70°C). Fluid-o-Tech calls for a 10-micron filter ahead of the inlet and warns that dry running can overheat the mechanical seal.

Specification Table