World leading manufacturers of custom precision gear pump solutions

High Precision gear metering and industrial/dosing pumps manufactured in the UK    and distributed throughout the USA via our Charlotte, NC office.

High specification rotary gear flow dividers manufactured, assembled and stocked in the USA for statewide distribution.

Fully equipped repair and service center including CMM capabilities.

Slack and Parr Inc (SPInc) is located in Charlotte, North Carolina, it was established in 1972 and after several expansions of the business it moved to its current premise at Northwoods Business Park in 2013. SPInc is part of the large UK based Slack & Parr Investments group of companies with bases around the world.

SPInc comprises of three main business units catering for the needs of customers who rightly demand highest quality, unrivalled service and complete flexibility from their key partners. Slack & Parr Inc offers this together with a knowledge of gear pumps that can put our customers one step ahead of their rivals.

The three main business units are;

  • High precision gear metering/dosing pumps for the man-made fibre and chemical industries

High precision gear metering pumps have been sold from SPInc to the USA market since its inception back in 1972. This business unit represents a large part of the company and compliments the repair facilities. With over $1M worth of stock to ensure reduce lead-times, full technical support and repair services.

Certain applications require specialised designs, and in such cases, we are pleased to offer customised solutions to meet our customers’ requirements.

  • High precision Hydraulic flow dividers

The Hydraulic flow divider business recently brought its USA licensed product back under its operating arm after a change in business strategy. Previously this product was manufactured under license to Gibson Machine Tools (Gibson flow dividers) The Hydraulic flow divider components are manufactured within the group with final assembly and testing in Charlotte, NC for distribution in the USA. We design and manufacture a standard range of precision Flow Dividers which contain ground gears and lapped finishes with emphasis on accurate division and high-pressure rating.

Special applications for example, Stainless steel flow dividers can be manufactured.

Main applications for the Hydraulic flow dividers are the Oil and Gas market, lifting platforms, agricultural machinery, marine and railroad.

For more information click here

  • Fully equipped repair center.

The fully equipped repair center in Charlotte, NC caters for the needs of many blue-chip companies who recognise that High precision equipment is best to be serviced and maintain by the manufacturers who made it. This one stop shop facility comprises of the stripping/de-contamination area, burn off facilities, full CMM capability for inspection and reporting, clean room assembly and test area and machine shop for repair work.

This facility has seen a steady expansion over the years as it has obtained new contracts. The services safeguard that the pumps maintain a good metering performance to reduce costly downtime and to maximize the efficiency of the metering pump application.

Why choose Slack & Parr?

Slack & Parr Solutions deliver maximum energy efficiency, minimal maintenance and an extended product life

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