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FLOMAX® 30 SS | 3" Self Priming Pump

The FLOMAX 30 SS is a high‑performance, self‑priming centrifugal pump engineered to deliver reliable fluid transfer in demanding industrial environments. Built from rugged 316 stainless steel, it offers superior resistance to corrosion, chemical attack, and abrasive wear, making it an optimal solution for handling aggressive or contaminated liquids. Its efficient self‑priming capability, combined with robust construction and versatile mounting configurations, ensures consistent performance across a wide range of industrial, agricultural, and marine applications.

Product Overview

The FLOMAX 30 SS is designed as a 3" × 3" self‑priming centrifugal pump capable of achieving flow rates up to 500 GPM (113.6 m³/h). The hydraulic design incorporates a semi‑open, precision‑balanced 316 stainless steel impeller that enhances pumping efficiency while ensuring reliable operation with both clean and lightly contaminated fluids.

The pump housing and wetted components are constructed from premium 316 stainless steel, offering industry‑leading corrosion resistance and compatibility with a broad spectrum of chemicals. This allows safe and reliable handling of fertilizers, chemicals, DEF (diesel exhaust fluid), reverse osmosis water, and other corrosive liquids.

A resilient mechanical seal system – constructed from carbon, ceramic, Viton, and stainless steel – provides strong thermal and chemical resistance while minimizing leakage risk under continuous duty operation. Optional seal configurations are available for more specialized media or operating environments.

The FLOMAX 30 SS features a 3" NPT suction port and a 3" ANSI 150# flat‑flange discharge connection for secure, standardized installation in fixed or mobile pumping systems. A Viton flapper check valve and priming chamber plug enhance the pump’s self‑priming capability, allowing the unit to lift fluid rapidly after initial priming.

For integration flexibility, the pump can be supplied in multiple drive configurations, including close‑coupled 184TC and 215C motor mounts, engine mount setups, pedestal configurations, or as a PUMPAK® unit without a motor. This modularity supports both stationary and portable installations across diverse operational conditions.

Certified with ABS Type Approval, FLOMAX 30 SS meets marine‑grade standards, ensuring dependable performance in shipboard, dockside, and offshore applications. Its durability, corrosion resistance, and high output make it a preferred choice in chemical processing, agricultural fluid transfer, marine bilge systems, DEF distribution, and industrial washdown operations.

Features and Benefits

Key Features

  • 316 stainless steel construction for superior corrosion resistance
  • Self‑priming design with integrated Viton flapper
  • Semi‑open balanced 316 SS impeller
  • 3" NPT suction and 3" ANSI 150# discharge connections
  • Standard carbon/ceramic/Viton mechanical seal
  • Multiple drive configurations including close‑coupled, engine mount, and pedestal
  • ABS Type Approved for marine applications

User Benefits

  • Enhanced longevity in corrosive and chemically aggressive environments
  • Fast and reliable priming reduces downtime and increases operational efficiency
  • High flow capacity suits demanding industrial processes
  • Flexible installation options for custom system integration
  • Reduced maintenance needs thanks to durable sealing components
  • Marine‑grade certification ensures compliance in shipboard and offshore applications

Specifications

 

Suction / Discharge 

Suction: 3" NPT 

Discharge: 3" NPT 150 # Class Flat Flange 

Flow Up to 500 GPM (113.6 m3/h) 
Impeller 316 SS, Semi-Open, Balanced 
Seal Carbon/Ceramic/Viton 
Drive Options 

Close coupled 184TC 

Close coupled 215C 

Engine mount 

Pedestal 

PumPAK® (without motor)