SKU: 38334666453

AW Logi PLV15F-500LF 15mm 500kPa Female Pressure Limiting Valve

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Description

AW Logi PLV15F-500LF 15mm 500kPa Female Pressure Limiting ValveOverview The AW Austworld PLV15F 500LF 15mm (1 2") 500kPa PLV pressure limiting valve is commonly used to regulate the supply cold water pressure to hot water services including heat pumps, electric, gas storage and solar water heaters across all mainstream brands in Australia such as Rheem, Vulcan, Rinnal, Dux, Aquamax, Thermann, Apricus and Solahart. The AW PLV pressure limiting valve features the same threads, fitments and similar physical sizes

Overview

The AW Austworld PLV15F-500LF 15mm (1/2") 500kPa PLV pressure limiting valve is commonly used to regulate the supply cold water pressure to hot water services including heat pumps, electric, gas storage and solar water heaters across all mainstream brands in Australia such as Rheem, Vulcan, Rinnal, Dux, Aquamax, Thermann, Apricus and Solahart. 

The AW PLV pressure limiting valve features the same threads, fitments and similar physical sizes with many other valve manufacturers such as Reliance, AVG, Tomson, Nefa and Reflex. This makes the AW PLV pressure limiting valve a perfect direct replacement to an existing valve with no plumbing pipe modifications required. 

The PLV pressure limiting valves usually come in 350, 500 and 600kPa ratings under Australian Watermark standard regulations. Each pressure specification is used on specific plumbing applications, depending the pressure rating requirement of the appliances. The PLV pressure limiting valve regulates the inlet water pressure by employing a sliding piston design internally and creates a pressure drop as the water passes through the valve. This piston design is directional and therefore there is an arrow on each pressure limiting valve body indicating the water flow orientation.  

Engineer's Notes

When a PLV pressure limiting valve fails, it is usually caused by the corrosion and debris clogging-up inside the valve body, preventing the piston's sliding actions over its usage life spans. In most cases, the water pressure and flow rate can drop significantly causing an unsatisfying user experience. In less common scenarios, the opposite can also happen and the pressure limiting valve may lose its pressure limiting ability, potentially blowing up appliances with over pressures. 

A PLV pressure limiting valve can only limit the dynamic pressure of the passing inlet water. The valve can not regulate a static pressure increase inside a water heater when the water heats up and expands, where PTR and ECV valves must be used instead for the pressure relief.

The 500kPa is a nominal outlet pressure rating under Australian Watermark Standard testing condition with a set inlet pressure. In real world situations, the actual mains supply water pressure can fluctuate and vary greatly from locations to locations. This presents a challenge for many hot water heater installations, especially when the street's mains pressure is too high. In this scenario, the PLV pressure limiting valve may fail to limit the inlet pressure below the hot water tank's pressure rating requirement. The PTR and ECV valves of the hot water service can leak excessively or even in a continuous stream as consequences. In such situations, pressure reducing valves can be used in the places of the pressure limiting valves to address this problem. 

Technical Detail

  • Brand: AW
  • Model: PLV15F-500LF (Current lead free model)
  • Watermark License Number: WMK26608 
  • Pressure Outlet Rating: 500 kPa
  • Temperature Rating: 80°C
  • Max Inlet Pressure: 2000kPa
  • Flow Rate: 50L/min at max allowable inlet pressure of 2000kPa 
  • Thread Size: 1/2" BSP (15mm) female FI thread
  • Thread Size Physical Measurement: 20.995mm internal female thread diameter (refer to the BSP sizing chart in the photo gallery)
  • Material: LF DR Brass
  • Intended Use: Domestic Hot Water Services
  • SKU: AW-PLV15F-500LF

Package Contents

  • AW PLV15F-500LF 15mm (1/2") 500kPa PLV Pressure Limiting Valve
  • Package Weight: 400g

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SKU: 38334666453

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Ken S.
Houston, US
★★★★★ 4
Comprehensive?
Format: Paperback
I am a huge fan of Jay LaCroix and happy to support him by buying this book. That said, this book is in my opinion fully priced and not very comprehensive. My guess is it has more to do with Packt publishing and less to do with Jay. For sure, the content that is there is good and easy to consume ... as per Jay's style. And to be fair a truly comprehensive book would probably be another 1000 pages long. But a couple examples: cursory coverage of systemd:. eg discussion is on chron, crontab, etc instead of systemd timers. NTP server: if you have an Ubuntu server it would be great to set it up as your LAN NTP server for all your devices to sync time. Here is the coverage in this book "all servers should have the ntp package installed" Really? Do I need to disable systemd-timesyncd? Do I need to limit access by lan? How about setting up an Nginx reverse proxy for LAN services like unifi, pihole, etc? Sorry 3 pages of coverage. I am not trying to run down this book, only suggest that if you are looking for an authoritative comprehensive guide on Ubuntu 22.04, this probably will not be your only purchase. With all the foregoing, I would still buy this book if for no other reason than to support the author.
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Reviewed in the United States on April 10, 2023
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Kindle Customer
Carnegie, US
★★★★★ 5
Highly recommended
Format: Kindle
Very well written. Everything is clear and well organized. It serves as a good overview of the Ubuntu server and also as a rich reference for specific arguments.
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Reviewed in the United States on November 27, 2022
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Dean T
Houston, US
★★★★★ 5
Another phenomenal product from Jay
Format: Paperback
The latest version provides everything one needs to create and secure an Ubuntu server. Fantastic book Jay!
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Reviewed in the United States on February 23, 2023
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Vic Malone
Alexandria, US
★★★★★ 5
Very useful book on the latest Ubuntu distro
Format: Paperback
Disclaimer: Longtime follower and subscriber to Jay LaCroix’s YouTube site, Learn Linux TV. Several high quality authors (Jang, van Vugt, and Ghori the most well known) have been introducing new comers looking for more in-depth guides to Linux to the Red Hat world through their RHCSA Study Guides. The same cannot be said for Ubuntu. While books do exist for Ubuntu, they are too general in this reviewers opinion. A noted exception is Matthew Helmke. The other is Jay LaCroix. Mastering Ubuntu Server, 4th Edition by Jay LaCroix addresses Canonical’s latest Ubuntu release, 22.04 LTS (Jammy Jellyfish). Mr. LaCroix’s book follows the same outline as the RHCSA books of installation, user management, package management, navigating the file system through the terminal, command-line usage, up to and including storage and networking. These chapters lay a solid foundation for the rest of the book, and all but one chapter ends with a section for further viewing or reading which either point to Mr. LaCroix’s well produced videos on his YouTube channel, Ubuntu’s wiki, or to one of several informative websites. The YouTube videos are a good complement to the book, and also raise the bar for what we as readers should expect from other authors and publishers. The last part of the book was my favorite. Where as the RHCSA books are confined to the scope of the test they are aimed at, Mastering Ubuntu Server has no restrictions. Chapters covering the installation of databases (MariaDB), web servers (both Apache and Nginx), virtualization (QEMU/KVM), containerization (LXD and Docker), Ansible, AWS, and Terraform along with their corresponding videos (except for Terraform) create a comprehensive learning platform. Having worked through some of these chapters along with the videos, one does get up to speed much quicker in understanding while adding a new skill to their skillset. This is important in a competitive job market. I would recommend Mastering Ubuntu Server, 4 th Edition highly to anyone wanting something current for the 22.04 LTS distribution. Having said that, I do have some admittedly subjective criticisms. In the chapter on storage, the fdisk command is introduced for formatting and partitioning disks. In an industry where it is becoming less likely to install a hard drive of 2TB or less and manufacturers have 20TB hard drives in their product line, why not also introduce the gdisk command. My other criticism is directed at the virtualization chapter and its use of Virtual Machine Manager for KVM. I got my start working with KVM through the Virtual Machine Manager as well, but on the advice of a Systems Engineer I knew, transitioned to creating, configuring and managing all my VMs through the command-line only. I wished that the author pushed more in that direction. As I said, subjective opinions, and minor overall, for a well written book by Jay LaCroix.
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Reviewed in the United States on September 9, 2022
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Roger Beickel
Lake Worth, US
★★★★★ 3
I should have looked somewhere else.
Format: Paperback
Not very helpful. I wanted a book that would help guide me through setting up a web server. There should have been a more complete step by step guide comparing traditional methods with newer updated methods.
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Reviewed in the United States on August 9, 2025

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