Fluid-o-Tech
PA 311F / PA311F Fluid-o-Tech 100 GPH 1.67 GPM Standard Bypass Stainless Steel Rotary Vane Pump
PA 311F / PA311F Fluid-o-Tech 100 GPH 1.67 GPM Standard Bypass Stainless Steel Rotary Vane Pump
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PA 311F / PA311F Fluid-o-Tech 100 GPH 1.67 GPM Standard Bypass Stainless Steel Rotary Vane Pump
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PLEASE REFERENCE TABLE BELOW
Fluid-o-Tech PA 311F Rotary Vane Pump
The Fluid-o-Tech PA 311F is a high-performance positive displacement rotary vane pump from the versatile PO/PA 70-400 Series. Designed for commercial espresso machines and beverage dispensing systems, this model delivers a consistent flow rate of 300 LPH (approximately 80 GPH). The "F" designation typically highlights the inclusion of an integral wire mesh filter on the inlet side, which protects the internal components from debris and extends the pump's operational life.
Constructed with a Brass housing and a stainless steel rotor, the PA 311F utilizes a Carbonator Clamp interface for easy mounting to standard motors. It features 3/8" NPT inlet and outlet ports and comes equipped with a standard internal bypass valve. This relief valve manages system pressure (adjustable up to ~230 PSI), ensuring safe operation and consistent extraction pressure, making it a reliable choice for high-volume coffee service and water circulation applications.
SPECIFICATION
DETAILS
Model Number
PA 311F
Manufacturer
Fluid-o-Tech
Series
PO/PA 70-400
Pump Type
Rotary Vane Pump
Housing Material
Brass
Nominal Flow Rate
300 LPH (80 GPH)
Displacement
Positive Displacement
Mounting Style
Carbonator Clamp (Band Clamp)
Inlet/Outlet Ports
3/8" NPT(F)
Feature
Integral Inlet Filter (100 Mesh)
Internal Bypass
Yes (Standard Relief)
Max Static Pressure
290 PSI (20 Bar)
Operating Pressure
Adjustable (~230 PSI Max)
Max Liquid Temp
158°F (70°C)
Shaft Connection
Double Flat Drive
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 311F
Yes
Flange
Stainless steel
90
341
85
322
107
405
101
382
1/2
Product Accuracy & Specifications: While we make every effort to ensure the accuracy of the information provided, Hydrocomponents & Technologies Inc. assumes no responsibility for errors, omissions, or typographical errors in product descriptions or specifications. Product specifications, including dimensions, materials, and performance ratings, are provided by the manufacturers and are subject to change without notice. Please consult the manufacturer's official documentation for the most current data before purchase.
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.
Product Disclaimer & Limitation of Liability
AI-Assisted Content & Information Accuracy: We strive to ensure that all product descriptions, specification tables, testing data, and cross-reference information are accurate and up-to-date. However, content presented on this page—including product descriptions, technical specification tables, bulleted data, and associated text—is compiled or formatted with the assistance of artificial intelligence (AI). While we review this content for general accuracy, AI-assisted data can contain errors, omissions, or inaccuracies. All information is provided for general reference purposes only. We are not legally liable for typographical errors, omissions, or inaccuracies within product descriptions, tables, or equivalent-model recommendations. We expressly disclaim all liability for damages, system failures, misapplications, or voided warranties resulting from reliance on any information presented on this site.
Manufacturer Updates & Official Specifications: Manufacturers frequently revise product designs, component materials, and technical specifications without prior notice. Official manufacturer documentation and data sheets are the sole authoritative sources for all product specifications and strictly supersede any physical dimensions, specifications, or visual representations presented on this page. It is the customer's sole responsibility to independently verify all technical data—including but not limited to pressure ratings, dimensions, material compatibility, and performance metrics—against the official manufacturer data sheet prior to purchase and installation.
Order Verification & Chargeback Policy: It is the buyer's sole responsibility to independently verify that the exact manufacturer part number being ordered is correct and entirely compatible with their specific application prior to checkout. By placing an order, you explicitly agree that if the physical item shipped perfectly matches the manufacturer part number listed on your official invoice, the order is legally considered fulfilled as described. Disputes or chargebacks claiming an item is "Not as Described" based on supplementary website text, specification tables, AI-generated content, or compatibility assumptions will not be recognized or honored.
Pricing, Availability & Right to Cancel: All prices, promotional offers, and inventory statuses are subject to change without notice. In the event a product is listed at an incorrect price or with inaccurate stock availability due to a typographical, technical, or system error, we reserve the right to refuse or cancel any orders placed for that item. If an order is canceled after your payment has been processed, a full refund will be initiated immediately to your original payment method.
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