

90° black cast iron elbow
90° black cast iron elbows are robust fittings designed for connecting steel pipes at a right angle. These elbows are widely used in water, heating, and industrial systems, as well as for renovation and installation projects. They allow you to change the direction of pipe runs without the need for multiple fittings.
Installers, DIY enthusiasts, and anyone upgrading domestic or workshop pipework often choose black cast iron elbows for their reliability in both repairs and new installations—especially where strength and secure connections are a priority.
- Central heating installations
- Water systems in homes and workshops
- Modernising old piping
- Assembly of steel pipes
When selecting a 90° elbow, match the size and variant to the installation site and pipe type. Careful selection makes installation easier and ensures a leak-proof system. Our range features only fittings intended for steel pipes and demanding systems. For other types of fittings, see black cast iron fittings, black cast iron tees, or black cast iron couplings.
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37.6250.16Regular price-25% offPrice
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90° black cast iron elbow
37.6250.16Regular price-25% offPrice
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90° black cast iron elbow
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90° black cast iron elbow
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90° black cast iron elbow
22.5130.01Regular price-25% offPrice
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90° black cast iron elbow
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22.5130.01Regular price-25% offPrice
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90° black cast iron elbow
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90° black cast iron elbow
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18.1724.23Regular price-25% offPrice
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90° black cast iron elbow
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90° black cast iron elbow
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14.8019.73Regular price-25% offPrice
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90° black cast iron elbow
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12.0416.05Regular price-25% offPrice
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7.6710.22Regular price-25% offPrice
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90° black cast iron elbow
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How to choose the right 90° black cast iron elbow for your installation
When planning to use a 90° black cast iron elbow, it's important to assess the working conditions in your system. This type of fitting enables secure and lasting connections between steel pipes at a right angle—commonly used in heating, water, and industrial systems, or during home and garage renovations.
The key to choosing the right elbow is matching the diameter and thread type to your existing pipes. Pay attention to pressure requirements and installation location, especially if you're upgrading a system or working in tight spaces. Consider whether the elbow's position will affect future maintenance or system expansion.
Typical user questions:
- Which pipes are compatible with a 90° black cast iron elbow?
- Is it suitable for heating or water installations?
- How do I select the right thread size?
- When should I replace an old elbow?
Black cast iron elbows are primarily intended for steel pipes but can also be used in upgraded or expanded systems. For gas installations or unusual working conditions, always consult a professional before purchase.
To avoid mistakes, measure the pipe diameter and compare it with product specifications before buying. Pay attention to the thread type and installation access—especially in confined areas.
If you need other pipe fittings, check out our black cast iron reducers, black cast iron nipples, black cast iron plugs, or black cast iron unions—practical solutions for building or upgrading piping systems.
The right 90° black cast iron elbow delivers dependable performance for years, especially in areas exposed to mechanical stress and intensive use.




































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