Standards for Industrial Pumps: ISO and ANSI B Standards are an extremely important part of the industrial and commercial landscape. By specifying. PWA ANSI/ASME B PROCESS PUMP. Carbon Steel vs. Ductile Iron. High strength, impact resistant. Carbon Steel liquid ends for improved durability and. ANSI Pumps are a type of single-stage end suction centrifugal pump. This type is designed to the ASME B standard, and each size of this type of pump has.

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By definition, these centrifugal pumps are horizontal, end suction, single stage pumps that are comparable in size and identical in interface and envelope dimensions, regardless of manufacturer. This American Society of Mechanical Engineers ASME standard covers process pumps of horizontal, end suction, single stage, and centerline discharge design.

Pumps must meet dimensional interchangeability requirements and contain special features for installation and maintenance. The purpose of the standard is to ensure that other ANSI process pumps with similar sizes can be interchangeable in size of suction, location of suction, discharge nozzles, baseplates, input shafts, foundation bolt holes, and mounting dimensions. It covers metallic and solid polymer pumps and is designed to facilitate installation and maintenance, as well as to enhance the safety and durability of ANSI B ANSI process pumps conform across manufacturers and allow the buyer to switch pumps and brands without having to change or redesign motor attachment, coupling, piping location, or bedplate dimensions.

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This ANSI process pump sizing standard is broken down into three main groups. This pump comes in a wide range of materials, including alloys and non-metals for many corrosive services, depending on the application. Although mostly used in the chemical industry, ANSI process pumps are also used in food processing, paper mills, pulp mills, refineries, ethanol production, textiles, and various other process plant applications.

Number wise, ANSI process pumps have flow rate ranges between 10 to 5, gallons per minute, or 38 to 18, liters per minute.

The total head pressure ranges from 50 to feet 22 to psiand horsepower from 1. Given the end suction and centrifugal design of ANSI process pumps, they are ideal for transferring water and mostly thin liquids.

ASME/ANSI B73.1

The pumps can also move liquids with or without solids based on their impeller type. However, the design does not typically allow the pumps to move thicker liquids, such as oils.

In addition, ANSI pumps only meet one standard so they are difficult or not feasible as replacements for other types of centrifugal pumps.

These pumps also perform beyond standard metrics and offer a max flow capacity to 7, gpm, total head to feet, and can even accommodate fluid temperatures up to degrees F.

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Introducing the RP ANSI Process Pump Range

This article for Water Online discusses the need for a consensus body for developing a groundwater pumping systems standard to include guidance on performance requirements for pumps used in water wells.

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Ruhrpumpen ANSI / ASME B Process Pump Range

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