Process Equipment ⟩ Products + Services ⟩ Pumps ⟩ Centrifugal Pumps ⟩ API 685 Pump

API 685 Pump

A permanent magnetically driven horizontal process (OH2) single stage pump, according to API 685 latest edition for petroleum, petrochemical, heavy-duty chemical, gas industry and power plants.

SCE- M Horizontal Overhung Mag Drive (API 685)

The SCE-M is based on the worldwide proven hydraulic design of the SCE according to API 610 latest Edition.

It is a permanent magnetic drive, single stage, over hung pump, built in accordance with the latest edition of API 685. As a 100% leakage free pump the SCE-M avoids high maintenance costs and usage of mechanical seals.

API685 mag drive

Characteristics

Magnetic Driven
Horizontal overhung, Single Stage
Radially Split
Centerline Mounted
End-Top nozzle arrangement
Single suction impeller
Axial thrust balance

Design Features

Materials of construction per API 685. Other materials on request
Heavy duty process design according to API 685 latest edition
Ring Oil Lubrication. Other methods of lubrication available
Replaceable front and back wear rings for casing and impeller
Journal bearings made of silicon carbide (SSiC)
Inducers for low NPSH available
Ceramic insulation and thermal barrier
100% leakage free containment shell, self vented and fully drainable

Our Experts

Barr + Wray’s team of engineers and technical specialists bring decades of experience in fluid handling filtration and pump system integration. We understand the challenges of industrial water management and treatment, and work collaboratively with clients to deliver effective, long-term solutions.

Our methodology ensures every project is scoped with clear objectives, measurable outcomes, and ongoing support to maintain performance over time.

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Something else

Brewing + Distilling

Brewing + Distilling

Whether you're crafting whisky or brewing at scale, Barr + Wray delivers process equipment that handles the full fluid journey, from ingredient water to the final product. With precision pumping, filtration, and disinfection systems that protect quality and flavour.

Food + Beverage

Food + Beverage

From ingredient handling to final rinse, Barr + Wray provides fluid processing systems - including pumps, filters, and UV, that support hygiene, consistency, and production efficiency.

Oil + Gas

Oil + Gas

In high-demand environments, our engineered systems handle a wide range of fluids, from process water to chemical streams - with robust pumping, filtration, and disinfection solutions.

Utilities

Utilities

Barr + Wray supports utility providers with reliable fluid handling systems that manage water, wastewater, and treatment chemicals - ensuring operational continuity and compliance.

PW Petrochemical

Petrochemical

Our process equipment is built to handle aggressive fluids and complex chemistries, helping petrochemical plants optimise flow, filtration, and disinfection across critical systems.

PW Pharmaceutical

Pharmaceutical + Biotechnology

We deliver precision-engineered systems for processing fluids used in drug formulation and biotech production - ensuring purity, consistency, and compliance with industry standards.

PW Coating

Chemical + Coatings

Our equipment handles everything from raw chemical inputs to final product filtration, helping manufacturers maintain fluid integrity and reduce waste.

PW Industrial

General Industrial

Across diverse industrial sectors, Barr + Wray provides tailored fluid processing systems, from pumping and filtration to disinfection - that improve reliability and reduce downtime.

PW Building Services

Building Services

From HVAC circuits to greywater reuse, Barr + Wray supplies pumps, filters, and UV systems that keep building services running efficiently and sustainably.

PW Aquaculture

Aquaculture

Barr + Wray supports aquaculture operations with systems that manage both water quality and fluid circulation, from nutrient-rich feed solutions to waste stream control - using pumps, filtration, and UV technologies tailored to aquatic environments.