Meet the B&K Schedule 40 1/2 in. MIP x 1/2 in. MIP Polyethylene 6 in. Nipple — a compact, dependable connector designed for durable cold-water piping runs and irrigation setups where space, corrosion‑resistance, and reliability matter.
Made from tough polyethylene, this nipple delivers corrosion resistance, lightweight handling, and a smooth bore that supports steady flow. With 1/2 in. MIP on both ends, it threads into standard pipe fittings without adapters, making it a straightforward addition to your plumbing or irrigation project.
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End connections: 1/2 in. MIP to 1/2 in. MIP
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Length: 6 inches
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Schedule: Schedule 40 for consistent wall thickness and pressure handling
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Maximum pressure/temperature: Up to 425 psi and 140°F
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Material: Polyethylene
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Certifications: NSF Listed
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Quantity per package: 1 piece
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Brand: B&K
Why this matters: the combination of Schedule 40 wall thickness and polyethylene construction provides a robust yet lightweight option for potable water lines and other cold-water runs. The NSF listing gives you confidence in safety for drinking-water applications, while the 6-inch length adds flexibility for routing through tight spaces, behind walls, or between fixtures without excessive bulk.
Use cases and practical tips:
- Residential plumbing runs where you need a reliable, corrosion-resistant connector between 1/2 in. pipe fittings.
- Short, tight sweeps in basements, crawl spaces, or utility rooms where space is at a premium.
- Irrigation systems requiring a durable, non-metallic conduit that resists rust and mineral buildup over time.
Compared to alternative metal nipples, this polyethylene option reduces weight, minimizes galvanic issues with dissimilar metals, and offers consistent performance in environments where moisture and chemicals are present. To install, ensure threads are clean and apply an appropriate thread sealant designed for MIP connections; tighten to standard hand-tight plus a quarter turn, taking care not to over-torque the plastic threads.
Keep in mind: this 6-inch, 1/2 in. MIP x 1/2 in. MIP nipple is intended for cold-water applications within its 425 psi / 140°F rating. Check your system’s pressure and temperature requirements and pair with compatible fittings for a secure, leak-free connection.
