Malleable Iron System

For long-lasting, pressure-resistant piping systems.

The Brymec Black and Galvanised Malleable Iron Fittings and Threaded Steel Tubes Range provides an exceptionally strong, long-lasting solution for high-pressure piping applications in all building types.

Designed for versatility and cost-effectiveness, it delivers the highest-quality corrosion-resistant, long-lasting piping systems that perform in virtually every environment.

brymec malleable iron and threaded steel tube installed and painted red

Download Technical Resources

Technical Manual

A comprehensive manual containing all the technical data, material properties and installation guidance for the range.

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Technical Specification

A two-pager, simple overview of the essential range technical data for specification.

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Specification Clause

Specification clause documents outlining the required wording for specifying Brymec systems within project documentation.

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Approach iron piping connections with complete confidence

Extremely strong and durable

Highly resistant to mechanical stress, preventing cracks and breakage, with longer lifespans than some commonly-used alternative materials.

High pressure and temperature resistance

Up to 25 Bar (5 Bar for gas), and temperatures ranging from -20° to 300°C, meaning it’s ideal for systems with fluctuating pressures and temperatures.

Easy and economical to install

With fittings in a variety of sizes and configurations, and prices typically more affordable than commonly used options.

Corrosion resistant

From chemicals and other aggressive liquids. Available in natural, or hot-dipped galvanised finish for enhanced corrosion resistance.

Long warranty

Brymec provide a market-leading warranty up to a maximum of 3 years from the date of delivery.

Easy connections

Using male and female threaded fittings, without needing for specialised tools or welding, allow for easy assembly and maintenance.

Secure, leak-proof connections

Our male taper to female parallel thread ensures total seal and positive tightening, offering a substantial pressure seal.

Versatile

Handles both fluid and gas, making them ideal for a variety of uses.

Flange design and installation made easy

Download our Flange Sizing Guide

Design and install flanges with confidence using our comprehensive flange sizing table, providing clear guidance across different flange types and helping you identify the correct nuts, bolts and washers required for installation. Our flanges and the data within conform to BS 4504; for flanges to comply with alternative standards such as ANSI or BS 10, please contact our sales team.

Download the Flange Sizing Guide

Accreditations

Thoroughly tested and certified for total certainty and performance

EN10217-2 and BS EN10255 to satisfy the PED and the CPR for high-temperature building and industrial installations.
Fittings configurations to BS EN 10242, satisfying international standards for the design and performance of threaded pipe fittings in malleable cast iron.
Material classified A1 to BS EN13501-1.
3-year Brymec warranty for added peace of mind

Ideal for a variety of commercial and residential applications, this is a highly versatile piping system you can specify with confidence.

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Our Brymec Malleable Iron Fittings and Threaded Tubes

See our Malleable Iron in residential and hospitality development projects.

See how our malleable iron and threaded steel tubes have supported projects across the UK alongside our accompanying supply systems, valves, drainage systems and fixings.

View all Case Studies

Residential

Portal Way, North Acton

Acton, London

Portal Way marks C J O’Shea’s first fully self-delivered project, and for Brymec, it was a chance to support our trusted customer in taking full responsibility for a 36‑storey, 350 apartment scheme.

Residential

Mount Pleasant Phase 3

Farringdon, Central London

Brymec has streamlined the construction supply chains for the Mount Pleasant Development, which is a 'Postmark' development in Farringdon, Central London.

Residential

Manor Lane

Feltham, Hounslow

Brymec were selected as the supplier of residential plumbing systems in Manor Lane, Feltham, Hounslow. Discover how a seamless and efficient water supply and waste management was ensured throughout the development.

Hospitality

Premier Inn Enfield

Enfield, UK

Retrofit for a Greener Future: Brymec and RNW collaborate for a seamless installation of air source heat pumps

Manage ordering for projects with ease with the Brymec Portal.

Explore Brymec Portal

Download our flange sizing guide.

Download Flange Guide

Get technical support from our experienced team of experts.

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Applications

Our Brymec Malleable Iron solutions are ideal for conveying liquids and gases up to the pressure and temperature limits specified in standard ISO49 and EN 10242.

Supporting large development projects to deliver the buildings of tomorrow.

Browse our complete range of Brymec Black Iron Malleable Iron solutions and order online via the MyBrymec portal.

View Complete Black Iron Range

Pipe Lengths

Part 2 - Heavy Red Steel Tube

1/2" - 4" (3.25m - 6.5m)

Dual certified to BS EN10255 & BS EN10217‑2, PED compliant, hot finished with a durable red primer, available in 3.25m and 6.5m lengths.

brymec black malleable iron socket coupler

Fittings

Black Iron Sockets

1/2" - 4"

Available in equal, concentric and eccentric reducing designs for flexible, reliable installation across pipework configurations.

Fittings

Black Iron Bends

1/2" - 4"

45° and 90° bends and elbows available with MxF and FxF joints, including swept MxF options in both angles and FxF twin elbows in 90°.

Fittings

Black Iron Tees

1/2" - 4"

Available in both square and pitcher tee designs with 90° equal and reducing options.

Fittings

Black Iron Unions

1/2" - 4"

Seamlessly join pipes with our FxF and MxF cone seat unions, alongside durable FxF Navy (brass) unions for reliable connections.

Fittings

Black Iron Nipples

1/2" - 3"

Manufactured to BS EN 10241 with male threads at both end, we offer close taper and heavy barrel nipples as well as hex nipples.

Fittings

Black Iron Hex Reducing Bush

1/2" x 1/8" - 4" x 3"

Seamlessly reduce thread sizes with our hex reducing bushes, enabling secure, pressure‑tight connections between different pipe diameters.

brymec black malleable iron plain end cap

Fittings

Black Iron Caps, Plugs & Back Nuts

1/2" - 3"

Finish and secure pipework with our back nuts, cap nuts and plain plugs, designed for neat, reliable sealing of threaded connections.

Fittings

Black Threaded Steel Flanges

1" - 4"

Black screwed threaded steel flanges available in PN6 Type 13 (6/4) and PN16 Type 113 (16/4) designs for secure, bolted pipe connections.

For superior corrosion resistance, opt for our galvanised iron fittings

Browse our complete range of Brymec Galvanised Malleable Iron solutions and order online via the MyBrymec portal.

View Complete Galvanised Iron Range

Pipe Lengths

Part 2 - Heavy Galvanised Steel Tube

1/2" - 2" (3.25m)

Dual certified to BS EN10255 & BS EN10217‑2, PED compliant, hot finished with a galvanised finished.

Fittings

Galvanised Sockets

1/2" - 2"

Manufactured to BS EN 10242, our galvanised sockets come in equal designs for effortless jointing between pipes.

galvanised brymec malleable iron short bend

Fittings

Galvanised Bends

1/2" - 3"

45° and 90° bends and elbows available with FxF jointing as well as a short bend option.

galvanised brymec malleable iron reducing tee

Fittings

Galvanised Tees

1/2" - 2"

Galvanised 90° tees available in both square (equal) and reducing designs.

Fittings

Galvanised Unions

1/2" - 2"

Seamlessly join pipes with our FxF cone seat unions for reliable connections.

galvanised brymec malleable iron hex nipple

Fittings

Galvanised Nipples

1/2" - 2 1/2"

Manufactured to BS EN 10241 with male threads at both end, we offer heavy barrel nipples as well as hex nipples.

galvanised brymec malleable iron reducing hex bush

Fittings

Galvanised Hex Reducing Bush

1/2" x 1/4" - 2 1/2" x 2"

Seamlessly reduce thread sizes with our hex reducing bushes, enabling secure, pressure‑tight connections between different pipe diameters.

galvanised brymec malleable iron plain cap

Fittings

Galvanised Plugs

1/2" - 2"

Finish and secure pipework with our back nuts, cap nuts and plain plugs, designed for neat, reliable sealing of threaded connections.

Fittings

Galvanised Threaded Steel Flanges

1" - 4"

Manufactured to BS EN 1092-1 and available in PN16 Type 113 (16/4) for secure, bolted pipe connections.

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Discuss Your Project

Looking to specify or install Brymec Malleable Iron for your next project? Get in touch with our team of experts today to discuss how we can deliver your project with complete peace of mind.

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