Description
Westlake Pipe & Fittings 1436133 1.5″ x 1″ MPT Reducing Male Adapter Hi-Max Fitting
The Westlake Pipe & Fittings 1436133 1.5″ × 1″ MPT Reducing Male Adapter Hi-Max Fitting is a high-strength PVC transition fitting engineered to deliver dependable performance in pressurized piping systems. Designed to reduce pipe size while transitioning from a solvent-weld connection to a threaded interface, this adapter is ideal for plumbing, irrigation, pool and spa, and industrial fluid-handling applications where reliability and durability are essential.
Constructed from Westlake’s premium Hi-Max PVC, this fitting is designed for enhanced pressure resistance compared to standard PVC fittings. The reinforced wall thickness provides added structural integrity, helping the adapter withstand mechanical stress, pressure fluctuations, and long-term use. This makes the 1436133 fitting well suited for applications involving pumps, filters, valves, and other system components where pressure and performance are critical.
The 1.5-inch slip (socket) end is designed for solvent-weld installation using standard PVC primer and cement. This creates a strong, permanent, and leak-resistant joint with compatible PVC pipe. The 1-inch male pipe thread (MPT) end allows for easy connection to threaded components such as control valves, manifolds, regulators, or equipment ports. This combination provides installers with flexibility when integrating rigid piping systems with threaded equipment.
Precision manufacturing ensures that the male threads are clean, accurately formed, and consistent, promoting smooth engagement and reducing the risk of cross-threading during installation. When used with appropriate thread sealant or PTFE tape, the threaded connection delivers a secure seal that helps prevent leaks and maintain system efficiency. Dimensional accuracy throughout the fitting ensures compatibility with standard piping components, reducing installation time and minimizing the need for adjustments.
PVC construction offers several advantages over metal alternatives. The Westlake 1436133 adapter is resistant to corrosion, rust, and chemical attack, making it suitable for both indoor and outdoor installations. It will not degrade due to moisture exposure and performs reliably in environments where metal fittings may fail or require frequent maintenance.
The reducing profile of this adapter allows for clean, space-efficient installations, particularly in mechanical rooms or equipment enclosures where space is limited. Its lightweight design makes it easy to handle and install, reducing installer fatigue and improving efficiency on the job site. The neutral PVC finish blends seamlessly with existing piping systems, resulting in a professional and uniform appearance.
As part of Westlake’s trusted Hi-Max fitting line, the 1436133 Reducing Male Adapter reflects a commitment to quality, consistency, and performance. It is designed to meet the demands of professional contractors, plumbers, and maintenance teams who require components that perform reliably under pressure.
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 1436133 1.5″ x 1″ MPT Reducing Male Adapter Hi-Max Fitting Features:
- Hi-Max PVC construction for enhanced strength and pressure capability
- 1.5″ slip x 1″ MPT reducing design for efficient system transitions
- Corrosion- and chemical-resistant material for long service life
- Precision-molded male threads for secure, leak-resistant connections
- Lightweight, compact adapter ideal for plumbing, irrigation, and industrial systems
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