PA 411F / PA411F Fluid-o-Tech 140 GPH 2.33 GPM Standard Bypass Stainless Steel Rotary Vane Pump PA0101HHCDN0000
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PLEASE REFERENCE TABLE BELOW
☕ Fluid-o-Tech PA 411F Compact Rotary Vane Pump with Bypass Valve
The Fluid-o-Tech PA 411F is a compact, precise brass rotary vane pump from the Rotoflow® line, perfectly engineered for systems requiring consistent, low-pulsation flow, most notably in high-end commercial espresso machines. It is also frequently used in vending equipment, cooling circuits, and small reverse osmosis (RO) systems.
The PA designation indicates that this model features a built-in, adjustable bypass/relief valve. This essential component allows for precise control of the discharge pressure, diverting excess flow back to the inlet side, thus protecting the pump and system components—a critical function for espresso brewing pressure profiles. The Flange Mount ('F') design ensures a stable, robust connection directly to a compatible motor shaft, providing a reliable and durable assembly for continuous use. The pump is rated for a flow of up to 200 LPH (53 GPH).
Technical Specifications Summary
| SPECIFICATION |
DETAILS |
NOTES |
| Model Number |
PA 411F |
'PA' indicates built-in bypass valve; 'F' indicates Flange Mount. |
| Manufacturer |
Fluid-o-Tech |
Part of the PO/PA 100-1000 Series (Brass). |
| Pump Type |
Rotary Vane (Positive Displacement) |
Delivers smooth, consistent flow for precise brewing. |
| Housing Material |
Brass |
Highly durable for fresh water applications. |
| Bypass Valve |
Built-in and Adjustable |
Critical for maintaining espresso brewing pressure. |
| Port Size |
3/8" NPT or GAS Thread |
Standard ports for commercial applications. |
| Nominal Flow (60 Hz / 1725 RPM) |
53 GPH (200 LPH) |
Typical flow rate capacity. |
| Max Differential Pressure |
16 bar (230 PSI) |
Maximum pressure rating. |
| Max Static Pressure |
20 bar (290 PSI) |
Maximum static pressure limit. |
| Mounting |
Flange Mount |
Designed to bolt directly to a motor. |
| Max Operating Temp |
70∘C (158∘F) |
Maximum fluid temperature limit. |
| Part # |
Bypass |
Mount |
Body |
1450 RPM |
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|
|
1725 RPM |
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|
|
Req. HP @ 200 PSI |
| |
|
|
|
100 PSI |
|
200 PSI |
|
100 PSI |
|
200 PSI |
|
|
| |
|
|
|
GPH |
LPH |
GPH |
LPH |
GPH |
LPH |
GPH |
LPH |
|
| PA 411F |
Yes |
Flange |
Stainless steel |
118 |
447 |
113 |
428 |
140 |
530 |
134 |
507 |
1/2 |
The PO 70-400 series positive displacement rotary vane pumps are available with brass or stainless steel housings with 3/8” GAS or NPT ports and internal relief valve. The nominal flow rates range between 70 and 400 l/h at 1450 rpm. Any vane pump of this series may be operated at 1725 rpm as well and will provide about 20% more capacity, with a maximum of 530 l/h. Maximum discharge pressure is 16 bar (230 psi). This series mounts directly to NEMA 48Y motors by means of a v-band clamp and to M71, M80 IEC and NEMA 56C motors by means of an adapter and relevant coupling.
