Description
The Armstrong Fluid Technology S-25 Series Inline Circulator Pump (Model 174031MF-013) is engineered for dependable, long-term performance across a wide range of fluid circulation applications, including hydronic heating systems, potable water circulation, and light chemical processing. Its modular construction simplifies routine maintenance and in-field servicing, minimizing downtime and total cost of ownership.
Built with a radially-split, bronze-fitted body and a maintenance-free stainless steel shaft, this circulator is designed to withstand demanding operating conditions. The centrifugal non-ferrous impeller and sintered silicon carbide mechanical seal ensure smooth, efficient operation and extended component life — even in corrosive or high-temperature environments.
Product Highlights
- Handles flow rates up to 25 GPM with a maximum operating pressure of 50 PSI
- Self-priming capability with a maximum suction lift of 10 feet for versatile system integration
- Rated for fluid temperatures up to 225°F, suitable for a broad range of industrial and commercial environments
- Multiple connection size options (3/4″, 1″, 1-1/4″, and 1-1/2″) provide flexible installation compatibility
- Modular design enables quick, easy maintenance and component replacement
Key Features
- Radially-split, bronze-fitted pump body for durability and corrosion resistance
- Maintenance-free stainless steel shaft for long-term reliability
- Centrifugal non-ferrous impeller for efficient, quiet fluid movement
- Sintered silicon carbide mechanical seal for superior wear resistance
- Compact inline design for space-efficient installation
Specifications
- Brand: Armstrong Fluid Technology
- Model Number: 174031MF-013
- Pump Type: Inline Circulator
- Motor Horsepower: 1/12 HP
- Motor Voltage: 115V, Single-Phase
- Maximum Flow Rate: 25 GPM
- Maximum Pressure: 50 PSI
- Maximum Temperature: 225°F
- Maximum Suction Lift: 10 ft
- Connection Sizes: 3/4″, 1″, 1-1/4″, 1-1/2″
- Construction: Modular, bronze-fitted body with stainless steel shaft







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