Meet the STZ Industries 4 in. FIP x 4 in. FIP Black Malleable Iron 90 Degree Elbow — a rugged, ready-to-install solution for tight-angle piping runs. With FIP ends on both sides, this 90-degree elbow streamlines your install, reduces the need for extra fittings, and keeps water flow smooth through demanding layouts.
Key specifications
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Ends: 4" FIP on each end (FIP x FIP)
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Material: Malleable Iron
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Finish: Black
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Product Type: 90 Degree Elbow
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Lead Content: Lead-Free
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Maximum Pressure: 300
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Maximum Temperature: 150
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Packaging: Bagged
Why this elbow matters for your project
This elbow combines the strength of malleable iron with a compact, space-saving design. Its lead-free construction meets modern safety standards for potable-water systems, giving you confidence in every connection. The black finish not only looks clean in exposed installations but also adds a layer of protection against corrosion in typical indoor piping environments.
Ideal applications
- Residential plumbing where a precise 90-degree turn is needed in confined spaces like behind sinks or inside cabinets
- Commercial piping runs that rely on durable, threaded FIP connections for reliability
- Repair or retrofit projects that prefer a single, sturdy elbow rather than multiple fittings
Installation tips
Before threading into pipes, ensure threads are clean and lightly lubricated. Use a suitable thread sealant or Teflon tape designed for malleable-iron and metal-to-metal joints. Since the item is bagged, inspect the elbow for any packaging damage prior to installation to confirm the finish and threads are intact.
Durability and value
Designed for dependable performance under up to 300 units of pressure and temperatures up to 150, this 4" FIP x 4" FIP elbow is built to resist deformation and maintain a secure seal over time. Choosing this STZ Industries elbow means fewer fittings, faster assembly, and a reliable connection that stands up to everyday use in both home and light commercial plumbing.
