Mueller Industries AJ18356 450# 1/2″ NPTFE x NPTFI Pressure Reducing Valve

Mueller Industries AJ18356 Pressure Reducing Valve Overview

The Mueller Industries AJ18356 is a 450 pressure-rated pressure reducing valve (PRV) designed for dependable downstream pressure regulation in HVAC, plumbing, and hydronic piping systems. Built to Mueller Industries’ exacting standards, this valve delivers consistent performance in demanding commercial and residential applications.

Key Features

• 450 pressure rating for robust, high-pressure service capability
• 1/2″ inlet and outlet connections for easy integration into standard piping systems
• NPTFE (male/external NPT) inlet thread configuration
• NPTFI (female/internal NPT) outlet thread configuration
• Compact 1/2″ body size suits tight mechanical spaces
• Manufactured by Mueller Industries — a trusted name in flow control and valve solutions

Specifications

• SKU: AJ18356
• Brand: Mueller Industries
• Pressure Rating: 450
• Inlet Connection: 1/2″ NPTFE (Male NPT)
• Outlet Connection: 1/2″ NPTFI (Female NPT)
• Valve Type: Pressure Reducing Valve (PRV)

Application

Ideal for use in HVAC hydronic systems, commercial plumbing, steam and water distribution lines, and anywhere consistent downstream pressure control is required. The NPT threaded connections allow for straightforward installation into existing pipe runs without special tooling.