Pumps - Mosherflo Pumps
Industrial pumps move liquids from one place to another, whether you’re handling water, chemicals, or thick, heavy fluids. Most pumps fall into one of two main categories: positive-displacement pumps and cen...
Centrifugal pumps are the most common pumps in industry. They move large volumes of water and low-viscosity liquids efficiently. Sealed centrifugal pumps in metallic and non-metallic construction handle everything from clean water to corrosive chemicals.
Centrifugal Pump Categories
- Chemical centrifugal pumps – plastic, lined and alloy construction for corrosive fluids
- Industrial centrifugal pumps – end suction, ANSI and inline designs
- Horizontal and vertical configurations – fit space and application
Choosing a Pump
Select by flow, head, fluid properties and NPSH available. Materials and seal type must suit the chemistry. Operating near the best efficiency point extends pump life.
Centro can help size centrifugal pumps for your system.
Shop by type: Industrial Centrifugal Pumps
Related categories: Pumps | Metering Pumps | Sealless Mag-Drive Pumps
Trash pumps are robust and specialized devices designed for efficiently handling and transferring water containing solid debris, such as leaves, mud, and other waste materials. These pumps are aptly named for their ability to tackle challenging tasks involving dirty or trash-laden water, making them indispensable in various industries and applications. Commonly used in construction sites, mining operations, and flood control scenarios, trash pumps excel at moving large volumes of water swiftly and effectively, even when it's laden with solid particles. With their durable construction and powerful performance, trash pumps play a vital role in maintaining clean and efficient water management systems, contributing to the seamless operation of projects that require the removal of debris-laden water.
Related categories: Pumps | ANSI Pumps | Pump Control System Applications | Sealless Mag-Drive Pumps
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- Flow (GPM) + total dynamic head (TDH), fluid details (chemistry, temp, solids/viscosity), suction conditions (NPSHa), desired materials, seal type, driver/voltage, connection sizes, and duty cycle.
- The total head the pump must overcome: static lift + discharge head + pressure requirements + friction losses in pipe/fittings/valves/filters, adjusted for fluid density.
- Centrifugal for higher flow/low–moderate viscosity and smoother operation; positive displacement for high viscosity, accurate metering, higher pressures, or when flow must stay steady as pressure changes.
- ANSI process pumps are for clean/process fluids and standard chemical-duty applications; self-priming trash pumps are built to handle air entrainment and larger solids for dewatering/wastewater.
- Match wetted materials to the fluid chemistry, temperature, and abrasiveness (e.g., 316 SS for corrosion resistance; ductile iron for general service; hardened materials/coatings for abrasion).
- Often yes on the discharge side to control flow (within limits), but avoid deadheading too long (heat buildup); never throttle suction, use a valve only for isolation.
- VFD speed control is usually most efficient; throttling works but wastes energy; bypass recirculation may be needed to maintain minimum flow.
- Use viscosity-corrected curves or consider positive displacement; expect reduced flow/increased power and ensure suction piping supports high-viscosity feeding.
- Define solids size, concentration, hardness, and shape; choose solids-handling hydraulics, slower speeds, abrasion-resistant materials, and appropriate clearances.
- Select compatible metallurgy/coatings, control pH/chemistry, reduce velocity in corrosive service, manage solids, and use wear parts designed for abrasion.
- Alignment, lubrication, seal support/flush checks, strainer cleaning, vibration/temperature monitoring, and verifying operation near BEP and above minimum flow.
- Best Efficiency Point is where the pump runs most efficiently with lowest vibration; aim to operate near BEP to improve seal/bearing life and reduce energy cost.