Westlake Pipe & Fittings 420007 0.75″ SKT Cross

Description

Westlake Pipe & Fittings 420007 0.75″ SKT Cross

The Westlake Pipe & Fittings 420007 0.75″ Cross is a fundamental connection fitting in the robust family of PVC (polyvinyl chloride) fluid-handling components manufactured by Westlake Pipe & Fittings, a leading name in commercial-grade piping solutions. This component is designed specifically for Schedule 40 PVC systems, where reliable four-way distribution of liquid flow is essential. As part of Westlake’s comprehensive line of Schedule 40 PVC pressure and plumbing fittings, this cross fitting delivers both versatility and durability for a wide range of residential, commercial, industrial, irrigation, and pool & spa applications.

At its core, the 420007 0.75″ SKT Cross (also referred to as a socket cross due to its slip – or socket (SKT) – connection type) is a fitting engineered to form a junction point where four separate lengths of pipe can intersect and connect. Each of the four arms of the cross is a socket into which a corresponding piece of ¾-inch Schedule 40 PVC pipe is inserted, typically using solvent welding (PVC cement) for a strong, permanent bond. This kind of connection ensures fluid tightness and structural stability within an installed piping system.

PVC, the material from which this fitting is constructed, offers several inherent advantages that significantly enhance system performance and longevity. Polyvinyl chloride is strong yet lightweight, non-toxic, highly resistant to corrosion, and relatively impervious to chemical attack from many acids, bases, salts, and oxidants commonly encountered in water distribution and irrigation environments. As a result, PVC components like the 420007 are less prone to issues like rusting or degradation compared to metal alternatives, especially in moist environments or systems handling potable water.

The Schedule 40 rating of this cross refers to the standardized wall thickness of the fitting that matches Schedule 40 PVC pipe dimensions. Schedule 40 components are widely used in water distribution, irrigation, and plumbing systems because they balance adequate pressure capacity with ease of installation and material economy. In this context, the 420007 fitting is compatible with typical Schedule 40 PVC piping up through pressures determined by pipe size, temperature, and installation practices.

Structurally, the 420007 is injection-molded, meaning the fitting is formed through a controlled manufacturing process that ensures uniform wall thickness and quality. Injection molding allows Westlake to produce a consistent product that meets stringent dimensional criteria and performance expectations. The fitting’s white PVC finish is not just a cosmetic choice — the light color helps installers quickly identify PVC components in a complex system and also reflects heat, helping to protect the plastic from environmental temperature stress.

From a functional perspective, the cross fitting has several operational strengths. By providing a true four-way junction, it enables designers and installers to route fluid to multiple directions from a single feed point. This capability is crucial in systems where multiple branches are required — for example, in irrigation manifolds where water must be distributed evenly to several lateral lines, or in plumbing distribution headers that serve multiple fixtures. The symmetric design of the cross fitting also helps maintain balanced flow characteristics, reducing turbulence at the intersection of pipes.

Installation of the 420007 fitting is typical of socket PVC systems. Technicians prepare the end of each PVC pipe section by cleaning and priming the bare pipe surface and the fitting’s socket interior. After applying PVC solvent cement, the pipe ends are carefully inserted into each socket, ensuring full depth engagement. This creates a solvent-welded joint, which essentially fuses the pipe and fitting into a single, cohesive assembly. Solvent welding is a preferred method in PVC systems because it produces strong, leak-resistant connections that are effectively permanent under normal operating conditions.

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 420007 0.75″ SKT Cross Features:

• Four-way PVC fitting designed for Schedule 40 systems — allows branching of fluid flow in four directions
• Socket (SKT) connection type — each branch accepts 0.75″ pipe with solvent-weld installation
• Part of the wider Westlake Pipe & Fittings family, supporting broad PVC system design needs
• Ideal for plumbing, irrigation, pool & spa systems, and general fluid distribution networks
• Compatible with standard Schedule 40 PVC piping dimensions and pressure capacities
• Constructed from corrosion-resistant, lightweight polyvinyl chloride (PVC) material
• Solvent-weld connection yields strong, long-lasting, leak-resistant joints
• White finish improves visibility and heat reflectivity in installed systems
• Injection-molded for consistent wall thickness and part quality

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