Lasco Fittings V40411N 4In Butterfly Valve


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  • 4″ butterfly valve designed for large-diameter PVC piping systems
  • Durable PVC construction resists corrosion, chemicals, and UV exposure
  • Compact, lightweight design compared to traditional large valves
  • Smooth internal flow path minimizes pressure loss when fully open
  • Ideal for pool, irrigation, industrial, and water distribution systems

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SKU: PV40411N Category:

Description

Westlake Pipe & Fittings V40411N 4″ Butterfly Valve

The Westlake Pipe & Fittings V40411N 4″ Butterfly Valve is a durable, high-performance flow control valve designed for efficient shutoff and regulation in large-diameter PVC piping systems. Engineered for reliability and ease of operation, this valve is ideal for use in commercial and residential pool systems, irrigation networks, water features, industrial water circulation, and general fluid-handling applications where dependable flow control is critical.

Constructed with a robust PVC valve body, the V40411N offers excellent resistance to corrosion, chemicals, and environmental exposure. Unlike metal valves that may rust or seize over time, this PVC butterfly valve maintains smooth operation even when exposed to moisture, chlorinated water, fertilizers, and UV conditions. Its corrosion-resistant construction ensures long-term performance in both indoor and outdoor installations, making it well-suited for demanding environments.

The valve features a 4-inch connection size, designed to integrate seamlessly into standard PVC piping systems. Its internal butterfly-style disc rotates smoothly to regulate or fully stop flow with minimal effort. The quarter-turn operation allows for quick and precise control, making it easy for operators to open, close, or throttle flow as needed.

One of the primary advantages of the V40411N Butterfly Valve is its compact, lightweight design compared to traditional gate or ball valves in larger sizes. This compact profile reduces installation space requirements while maintaining excellent flow capacity. The valve’s design also minimizes pressure loss when fully open, helping maintain system efficiency and consistent water movement throughout the pipeline.

The ergonomic handle provides smooth, controlled operation and clear visual indication of valve position. This makes it easy for technicians and maintenance personnel to identify whether the valve is open or closed at a glance. The valve is designed for frequent operation, ensuring dependable performance in systems that require regular adjustments or seasonal shutdowns.

Internally, the valve is engineered for durability and smooth flow characteristics. The sealing surfaces provide reliable shutoff performance, helping prevent leaks and maintain system pressure. Whether used as a primary shutoff valve, a control valve, or part of a larger manifold system, the V40411N delivers consistent and dependable results across a wide range of applications.

In summary, the Westlake Pipe & Fittings V40411N 4″ Butterfly Valve offers a professional-grade solution for controlling flow in large-diameter PVC systems. Its corrosion-resistant construction, compact design, smooth operation, and reliable sealing performance make it an excellent choice for pool, irrigation, industrial, and water distribution applications where durability and ease of use are essential.

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 V40411N 4″ Butterfly Valve Features:

  • 4″ butterfly valve designed for large-diameter PVC piping systems
  • Durable PVC construction resists corrosion, chemicals, and UV exposure
  • Compact, lightweight design compared to traditional large valves
  • Smooth internal flow path minimizes pressure loss when fully open
  • Ideal for pool, irrigation, industrial, and water distribution systems

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Additional information

Weight 8 lbs
Dimensions 12 × 18 × 2 in
Brand

Plumbing Accessories

PVC Components & Fittings

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