Westlake Pipe & Fittings 439130 1″ x 0.5″ MPT x FPT Threaded Bushing

Description

Westlake Pipe & Fittings 439130 1″ x 0.5″ MPT x FPT Threaded Bushing

The Westlake Pipe & Fittings 439130 1″ x 0.5″ Threaded Bushing is a precision-molded PVC fitting designed to provide a dependable and efficient solution for reducing pipe thread sizes in a wide range of plumbing, irrigation, pool & spa, and general fluid handling systems. This threaded bushing allows installers to transition smoothly from a 1-inch female threaded opening to a 1/2-inch female threaded connection using a compact, durable, and easy-to-install component. Manufactured to meet strict dimensional and material standards, this fitting reflects Westlake’s long-standing reputation for quality and performance in thermoplastic piping systems.

Threaded bushings play a critical role in modern piping installations, particularly where system components of different sizes must be connected without reworking the entire line. The Westlake 439130 bushing simplifies this process by providing a clean, secure reduction in thread size while maintaining system integrity. Its design features male pipe threads (MPT) on the exterior and female pipe threads (FPT) on the interior, enabling it to thread directly into a larger female fitting while accepting a smaller male threaded pipe or component. This makes it especially valuable in retrofit projects, system upgrades, and repairs where size mismatches are common.

Constructed from high-quality PVC (polyvinyl chloride), this threaded bushing offers excellent resistance to corrosion, rust, and chemical degradation. Unlike metal fittings, PVC does not oxidize or pit when exposed to moisture, making it ideal for long-term use in water distribution systems and outdoor environments. The material’s inherent resistance to many acids, alkalis, and salts further expands its usability across residential, commercial, and light industrial applications. As a result, the Westlake 439130 bushing delivers long service life with minimal maintenance requirements.

The fitting is designed to integrate seamlessly into Schedule 40 PVC piping systems, one of the most widely used standards in plumbing and fluid transport. Schedule 40 compatibility ensures predictable performance under typical pressure conditions and allows the bushing to be paired easily with other standard pipes, valves, and fittings. The uniform wall thickness and precise molding contribute to consistent thread engagement, helping reduce the risk of leaks caused by poor alignment or uneven tightening.

Thread quality is a key performance factor for any threaded fitting, and the Westlake 439130 bushing is engineered with carefully formed NPT-style threads. These threads provide a tight, reliable seal when properly installed using thread sealant or PTFE tape. The smooth thread profile allows for easy hand-tightening followed by final wrench tightening, minimizing installation time while ensuring a secure connection. This is particularly beneficial in confined spaces where excessive force or repeated adjustments can be challenging.

Another advantage of this threaded bushing is its compact, low-profile design. Unlike longer adapters or multi-piece reduction solutions, this bushing reduces overall assembly length, helping installers maintain clean layouts and proper clearances. This is especially important in equipment rooms, pump assemblies, and manifold installations where space is limited and precise alignment is required.

The white finish of the bushing is consistent with standard PVC fittings, making it easy to visually identify within a piping system. This uniform appearance supports professional-looking installations and simplifies inspections or future modifications. Additionally, the lightweight nature of PVC reduces strain on connected components and makes handling and installation easier compared to heavier metal alternatives.

Westlake Pipe & Fittings is dedicated to helping contractors maximize efficiency and helping engineers design systems that entire communities can rely on.With manufacturing & distribution centers across North America, dedicated sales, technical services, specification engineers and customer support teams, our unparalleled service allows you to design, specify and install complete projects with confidence.

Westlake Pipe & Fittings 439130 1″ x 0.5″ MPT x FPT Threaded Bushing Features:

• Ideal for plumbing, irrigation, pool & spa, and general fluid applications
• Reduces 1″ female threaded opening to 0.5″ female thread
• MPT x FPT threaded design for secure size transition
• Compatible with Schedule 40 PVC piping systems
• Compact design minimizes space requirements
• Made from durable, corrosion-resistant PVC
• Precision-molded threads for reliable sealing
• Long service life with low maintenance needs
• Lightweight and easy to install

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