Meet a dependable, lead‑free solution for tight, durable pipe connections: the STZ Industries 1-1/2 in. Compression x 1-1/2 in. D Compression Galvanized Malleable Iron 3 in. L Coupling. With two 1-1/2 in. compression ends and a robust malleable iron body, this coupling delivers a secure, leak‑resistant connection for potable water and light‑duty piping runs.
Key features that matter
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Two 1-1/2 in. compression ends for quick, tool‑free installation and reliable seals on standard 1-1/2 in. lines.
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Material: malleable iron combined with a galvanized finish provides outstanding strength and corrosion resistance in damp, outdoor, or basement environments.
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Lead-free construction supports safe drinking water applications and meets modern regulatory expectations.
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Maximum pressure: 300 psi and maximum temperature: 150°F—designed to handle typical residential and light commercial water systems.
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Length: 3 in. a practical, compact coupling that maintains proper alignment and reduces stress on joints.
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Packaging: bagged for clean, ship‑ready installation in the field.
Ideal uses and practical applications
This coupling is purpose‑built for connecting two 1-1/2 in. lines in potable water circuits, irrigation runs, or repair projects where a quick, dependable compression connection is preferred over soldering. It’s well suited for both new installations and repair work on galvanized or steel piping networks, offering a durable, long‑lasting seal in environments that demand resilience and corrosion resistance.
Why this STZ Industries coupling stands out
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Lead‑free assurance supports safe drinking water and regulatory compliance.
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Galvanized malleable iron body combines strength with corrosion resistance, extending service life in challenging environments.
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Compression connection design provides straightforward installation without special tools or welding, helping you save time on the job.
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Compact 3 in. length offers a tidy, space‑friendly footprint while maintaining a secure, leak‑proof join.
Installation tips
- Ensure both pipe ends are clean, square, and free of burrs before assembly.
- Use the appropriate compression nuts and ferrules for the 1-1/2 in. line diameter and tighten to the manufacturer’s guidelines for a watertight seal.
- Check that the alignment is correct to avoid side loads that could compromise the joint over time.
- Operate within the listed pressure and temperature limits to maintain the integrity of the connection.
Specifications at a glance
- End connections: 1-1/2 in. compression x 1-1/2 in. compression
- Material: Galvanized malleable iron
- Finish: Galvanized
- Length: 3 in.
- Maximum pressure: 300 psi
- Maximum temperature: 150°F
- Lead content: Lead-free
- Packaging: Bagged
- Product type: Coupling
