Fluid-o-Tech
PA 1011 / PA1011 Fluid-o-Tech 320 GPH 5.33 GPM Standard Bypass High Volume Stainless Steel Rotary Vane Pump
PA 1011 / PA1011 Fluid-o-Tech 320 GPH 5.33 GPM Standard Bypass High Volume Stainless Steel Rotary Vane Pump
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PA 1011 / PA1011 Fluid-o-Tech 320 GPH 5.33 GPM Standard Bypass High Volume Stainless Steel Rotary Vane Pump
Fluid-o-Tech PA 1011 Compact Rotary Vane Pump with Built-in Bypass Valve
The Fluid-o-Tech PA 1011 is a compact, high-precision brass rotary vane pump from the Rotoflow® line. This model is engineered for continuous duty in small- to medium-sized commercial applications, offering reliable, pulse-free flow up to 300 LPH (79 GPH). Its small footprint and consistent performance make it a staple in espresso machines, reverse osmosis (RO) boost systems, and water dispensing equipment.
The PA prefix is crucial as it indicates that this pump includes a built-in, adjustable bypass/relief valve. This integrated valve allows the user to easily set and maintain the system's maximum operating pressure, diverting excess flow back to the inlet side when the system is dead-headed or restricted. This feature protects the system and pump integrity. The pump is designed for clamp-on mounting (no 'F' suffix), fitting standard motor couplings via a keyway slot, and is constructed with a brass body and stainless steel and carbon graphite internals for longevity.
Technical Specifications Summary
| SPECIFICATION | DETAILS | NOTES |
| Model Number | PA 1011 | Includes built-in bypass valve; Clamp-on motor mount. |
| Manufacturer | Fluid-o-Tech | Part of the PO/PA 100-1000 Series (Brass). |
| Pump Type | Rotary Vane (Positive Displacement) | Delivers smooth, non-pulsating flow. |
| Housing Material | Brass | Highly durable for fresh water applications. |
| Bypass Valve | Built-in and Adjustable | Allows system pressure to be easily regulated. |
| Port Size | 3/8" NPT or GAS Thread | Standard ports for commercial flow rates. |
| Nominal Flow (60 Hz / 1725 RPM) | 79 GPH (300 LPH) | Maximum continuous flow capacity. |
| Max Differential Pressure | 16 bar (230 PSI) | Maximum pressure rating for standard pump. |
| Max Static Pressure | 20 bar (290 PSI) | Maximum static pressure limit. |
| Max Operating Temp | 70∘C (158∘F) | Maximum fluid temperature limit. |
| Part # | Bypass | Mount | Body | 1450 RPM | 1725 RPM | Req. HP @ 200 PSI | ||||||
| 100 PSI | 200 PSI | 100 PSI | 200 PSI | |||||||||
| GPH | LPH | GPH | LPH | GPH | LPH | GPH | LPH | |||||
| PA 1011 | Yes | Clamp | Stainless steel | 275 | 1041 | 327 | 1238 | 3/4 |
The PO 500-1000 series positive displacement rotary vane pumps are available with brass or stainless steel housing with ½” GAS or NPT ports and internal relief valve. The nominal flow rates range between 500 and 1000 l/h at 1450 rpm. Any vane pumps of this series may be operated at 1725 rpm as well and will provide about 20% more capacity, with a maximum of 320 GPH. Maximum discharge pressure is 230 psi (16 bar). This series mounts directly to widely available NEMA 48Y motor by means of a v-band clamp and to M71, M80 IEC and NEMA 56C motors by means of an adapter and relevant coupling.
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