Description
Westlake Pipe & Fittings 435-040 Female Adapter, 4″ Slip x 4″ FPT
The Westlake Pipe & Fittings 435-040 Female Adapter, 4″ Slip x 4″ FPT, is a high-quality PVC fitting designed to connect a 4-inch Schedule 40 slip PVC pipe to a 4-inch female-threaded (FPT) component. Engineered for durability, professional-grade performance, and long-lasting reliability, this female adapter is ideal for applications such as pool and spa plumbing, irrigation systems, residential and commercial water lines, and industrial fluid transfer. Its dual-connection design ensures a secure, leak-resistant joint, providing both a solvent-weld and threaded interface in one fitting.
Constructed from premium Schedule 40 PVC, the 435-040 Female Adapter offers excellent resistance to corrosion, chemical exposure, and UV degradation. Unlike metal fittings, PVC will not rust, scale, or deteriorate over time, making it suitable for both indoor and outdoor installations. Its robust construction allows it to withstand high-pressure water flow, temperature fluctuations, and continuous operation, ensuring reliable performance in professional, residential, and industrial applications. Contractors, pool professionals, and irrigation specialists rely on Westlake fittings for their precision engineering, durability, and consistency.
The 4-inch slip end allows for easy solvent-weld installation onto standard 4-inch PVC pipe using PVC primer and cement. This provides a strong, watertight bond that ensures a secure connection to the piping system. The 4-inch FPT threaded end allows for reliable attachment to any standard 4-inch male-threaded fitting, valve, pump, or equipment. This combination of slip and threaded connections makes the 435-040 Female Adapter versatile, reducing the need for additional adapters and simplifying installation in systems that integrate threaded components.
The Westlake 435-040 Female Adapter is highly versatile and suitable for both new installations and retrofit projects. It can be used to connect threaded equipment to slip piping, create branch lines, or extend existing systems efficiently. Its lightweight yet durable design allows for easy handling and placement, even in confined spaces, without compromising structural integrity or long-term reliability.
Precision manufacturing guarantees that both the slip and threaded ends fit accurately with standard Schedule 40 PVC components, reducing the risk of leaks, misalignment, or joint failure. This ensures a secure, professional-grade connection that performs reliably in residential, commercial, and industrial applications.
Applications for the 435-040 Female Adapter include pool and spa plumbing, irrigation and agricultural water systems, residential and commercial water supply lines, industrial fluid transport, and municipal water management. Its corrosion-resistant Schedule 40 PVC construction, smooth interior, and professional-grade design make it a trusted solution for connecting slip pipes to threaded components effectively and securely.
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 435-040 Female Adapter, 4″ Slip x 4″ FPT Features:
- Durable, corrosion- and chemical-resistant Schedule 40 PVC construction
- Smooth interior ensures consistent flow and minimal turbulence
- Easy installation with PVC primer, solvent cement, and threaded connection
- Ideal for pools, spas, irrigation systems, industrial water lines, and municipal applications
- Lightweight yet strong for easy handling and long-term reliability
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