Introducing the STZ Industries 2 in. compression x 2 in. D compression galvanized malleable iron 3 in. L coupling — a rugged, lead-free connector built to seal and safeguard your water lines. With a galvanised finish and a durable malleable iron body, this 2x2 compression coupling is engineered for dependable performance in both residential and light commercial plumbing.
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Lead-free construction for safe potable water and peace of mind in everyday use.
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Galvanized finish delivers standout corrosion resistance in moist environments, extending joint life in plumbing runs.
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Malleable iron body combines strength with a compact profile, ideal for tight spaces and durable service.
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Compression ends on both sides simplify installation without soldering or heat, enabling quicker repairs and upgrades.
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3 in. overall length provides room for alignment and proper routing, reducing stress on the joint.
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Rated performance up to 300 psi and 150 °F, making it well-suited for standard domestic water systems.
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Bagged packaging for convenient storage and protection on the job site.
Specifications
- End 1 diameter: 2 in.; End 1 type: Compression
- End 2 diameter: 2 in.; End 2 type: Compression
- Material: Malleable Iron
- Finish: Galvanized
- Length: 3 in.
- Maximum Pressure: 300 psi
- Maximum Temperature: 150 °F
- Packaging Type: Bagged
- Product Type: Coupling
Ideal use cases
Perfect for connecting two 2-inch pipes in home plumbing upgrades, quick repairs, and irrigation line installations. This coupling shines in spaces where soldering isn’t practical or desirable, offering a reliable, easy-to-service joint that stands up to daily water flow, vibration, and temperature swings. Its lead-free composition makes it a smart choice for potable water lines, while the galvanized finish helps resist corrosion in humid or outdoor settings.
Why choose this compression coupling
Compared with traditional soldered or glued connections, this STZ coupling delivers:
- A straightforward, tool-friendly installation that minimizes downtime
- Durable, corrosion-resistant performance thanks to galvanization and malleable iron construction
- Reliable, long-lasting seals with compression-end technology suitable for 2 in pipe runs
Installation tips
- Ensure pipe ends are clean and free from burrs before assembly.
- Insert each pipe end fully into the compression fittings, then tighten nuts evenly with a wrench until the joint seats securely.
- Respect the maximum pressure and temperature ratings; perform a leak test after installation using a gentle pressure increase.
