Malleable Iron Pipe Fittings
Malleable iron pipe fittings are widely used in plumbing, heating, gas, and industrial systems due to their durability, versatility, and long service life. At BES, we stock one of the UK’s most comprehensive ranges of malleable iron fittings, including elbows, tees, sockets, nipples, and bushes – all available in a wide selection of sizes to suit your installation.
With next working day delivery available on most items and over 50 years of trade experience, BES is the trusted supplier for malleable iron fittings from top brands at competitive prices.
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Every Type Of Malleable Iron Fitting For The Job
Our selection of malleable iron fittings is second to none. Whatever you need, we’re sure to have it, we stock every common type of malleable iron fitting, suitable for domestic, commercial and industrial pipework systems. Our range includes:
Adaptors
Our GASM8 adaptors make light work of mixing thread standards on site, converting between NPT and BSP in common sizes. Options include ¼", ⅜", ½" and ¾" combinations in both TF (female) and TM (male) formats, giving you the flexibility to match incoming equipment to existing lines.
Black & Galvanised Backnuts
A dependable set of backnuts is essential for securing threaded joints and fixings. BES stocks black and galvanised backnuts from ¼" through to 2", with popular sizes such as ½", ¾", 1", 1¼", 1½" and 2" well covered. Choose galvanised where added corrosion protection is preferred, or black for standard plant and heating work. Either way, you get solid holding power and straightforward installation.
Short & Long Turn Bends
From tight turns to gentle sweeps, our malleable iron bends cover short-turn 90° and long-turn 45° patterns in black and galvanised finishes. You’ll find options from 3/8" up to 3" in M x F and F x F configurations, including heavy-duty sizes like 2" and 3" for commercial runs. Use short-turn 90° where space is limited, or long-turn 45° to ease flow and reduce pressure drop.
Equal Crosses
When a run needs to split in multiple directions, our equal crosses deliver a tidy four-way solution. We stock black and galvanised versions from ¼" through to 3", including key trade sizes such as ½", ¾", 1", 1¼", 1½", and 2". Equal crosses are a reliable choice for distribution manifolds and plant rooms, giving you a compact way to branch without building complex assemblies from tees and nipples.
Elbows
The workhorse of any threaded system, our 90° elbows come in black and galvanised, in M x F and F x F patterns. Reducing elbows (e.g. ¾" x ½") help you change direction and size in one piece. Pick galvanised elbows where added protection is needed, or black for standard heating, gas and plant duties.
Elbow 45°
For softer changes of direction, the Equal Elbow 45° – ⅜" F Galvanised offers a clean, corrosion-resistant solution. It’s a handy piece when you need to ease flow or reduce turbulence compared to a sharp 90° - use it to refine runs in exposed positions or where a gradual offset helps with alignment.
Equal Sockets
Equal sockets join same-size threads quickly and securely. We carry black and galvanised sockets from ⅛" up to 4", covering everyday sizes like ½", ¾", 1", 1¼", 1½" and 2", plus large-bore options for plant and industrial lines.
Equal Unions
When you want the option to break a line without cutting, the Iron-to-Iron Equal Union – 2½" M x F Galvanised keeps maintenance simple - it’s designed to let you isolate a component, swap it out, and re-seal without disturbing the rest of the run.
Hexagon Bushes
Step down cleanly with our hexagon bushes in black and galvanised finishes. The range runs from ⅜" up to 4" on the male side, with common reductions such as 2½" x 1½", 2" x 1", 1¼" x ½", ¾" x ½" and more. The hex profile gives you a positive grip for tightening, and the material choice lets you match the rest of the system. Ideal for valves, instruments and any point where a change of size is needed in a compact footprint.
Nipples
From short joins to long offsets, our nipple selection covers hexagon equal and reducing, barrel and extended mild-steel patterns. Diameters include ½", ¾", 1" and beyond, with extended lengths up to 18", and finishes in black and galvanised.
Plain Hollow Plugs
Seal unused outlets and test points with plain hollow plugs in black and galvanised, from ⅛" right up to 4". Popular sizes include ½", ¾", 1", 1¼", 1½", 2" and 2½". Choose galvanised where environmental exposure is a factor, or black for standard plant and heating environments.
Reducing Concentric Sockets
Keep reductions neat with concentric reducing sockets in black and galvanised. Pairings range from small steps such as ½" x ⅜" up to larger transitions like 2" x 1¼" and 1½" x 1". Concentric reductions help maintain alignment through the centreline of the pipe, making for a tidy run and easier support. Match the finish to the rest of the installation for a consistent look and performance.
Round Caps
Protect and terminate open ends with round caps in black and galvanised, spanning ¼" through to 4". They’re a straightforward way to close off a branch, finish a test line or safeguard threads during commissioning.
Sockets
For BSPT connections where a single size is required, the Equal Socket – ½" F BSP Taper Galvanised gives you a robust, corrosion-resistant join, being a reliable option for small-bore tie-ins and repairs.
Tees
Build neat branches and manifolds with our tees in black and galvanised, including equal, branch reducing and pitcher patterns. Sizes run from ⅜" up to 4", with popular options such as ½", ¾", 1", 1½" and 2" readily available. Use equal tees for same-size splits, branch-reducing tees to step down at the take-off, and pitcher tees where the geometry suits the existing plant.
Why Use Malleable Iron Fittings?
Malleable iron is created through an annealing process that makes it both strong and ductile. This gives fittings the ability to withstand vibration, impact and thermal expansion without breaking, unlike grey cast iron.
Key advantages include:
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High strength and long service life.
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Resistance to vibration and thermal expansion.
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Wide availability in threaded designs.
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Suitable for hot and cold water, heating, gas, oil and compressed air systems.
Malleable iron fittings are typically available in Class 150, making them suitable for working pressures up to 25 bar in cold water and air applications. Temperature resistance is generally suitable up to 300°C, although galvanised fittings are recommended where corrosion resistance is required.
Malleable Iron Vs Other Pipe Fittings
Compared to stainless steel or brass, malleable iron fittings are generally more cost-effective for larger installations, while still offering durability and strength. Stainless steel is preferred for corrosive or hygienic applications (such as potable water or food-grade systems), while brass is often chosen for smaller, domestic systems. Malleable iron remains a popular choice for heating, gas, fire protection and industrial systems due to its balance of strength and value.
If you are considering other fittings for the job at hand, check out end feed/capillary fittings, push-fit fittings, MDPE fittings, stainless steel fittings or compression fittings such as brass, chrome, DZR, lead and steel, and many more.
H2: Why Choose BES For Malleable Iron Fittings?
BES has supplied the trade for over 50 years, offering one of the UK’s widest ranges of malleable iron fittings in stock. Every product is supplied with clear specifications, so you can be confident in choosing the right fitting for your system.
We back our products with first-class service. We offer next working day delivery on most items, any orders over £50 qualify for free delivery, Click & Collect is offered from our warehouse, and all products are covered by our hassle-free 30-day returns policy. With an Excellent rating on Reviews.co.uk, you can order online from BES with confidence.
Malleable Iron Fittings At Your Door In No Time
BES aims to help you source everything you need as quickly as possible, with items ready for quick dispatch. If you need assistance with any of our parts or require help finding the right ones, please contact our team of experts by calling us. They will be happy to assist you.
Malleable Iron Pipe Fittings FAQs
What sizes of malleable iron fittings does BES stock?
BES stocks a full range of malleable iron fittings, including small-bore sizes for domestic use and large-bore fittings for commercial and industrial applications.
Do you supply both black and galvanised malleable iron fittings?
Yes, most of our fittings are available in black for general heating and plant work or galvanised for added corrosion resistance in water systems, outdoor use or exposed environments.
What pressure ratings do BES malleable iron fittings meet?
Our fittings are manufactured to BS EN 10242 standards and are typically rated to Class 150 or 300, making them suitable for a wide range of water, gas, air, and oil applications. Please check individual product pages for specific pressure and temperature ratings.
Are BES malleable iron fittings suitable for potable water?
Galvanised malleable iron fittings are generally suitable for water distribution, including potable water, while black malleable fittings are better suited for gas, air, oil and heating systems. Always check local regulations and system requirements.
What types of malleable iron fittings are available?
BES stocks over a dozen types, including elbows, bends, tees, sockets, unions, bushes, nipples, caps, plugs, crosses and adaptors, with reducing options and both male/female configurations.
How quickly can I get malleable iron fittings delivered?
We offer next working day delivery on most fittings, with free UK mainland delivery on qualifying orders. You can also use Click & Collect for local pickup.
Do your malleable iron fittings come with product specifications?
Yes, every product page includes technical specifications such as size, thread type and finish, so you can select the right fitting for your application.