Angle Valves: Your Complete Guide to Types, Functions, and Buying Tips


Angle valves are essential components in plumbing and industrial systems, offering precise control over fluid flow. Whether you're a homeowner, contractor, or industrial buyer, understanding the different types, features, and applications of angle valves can help you make informed purchasing decisions. This guide covers everything from reliable sourcing to practical usage scenarios.


How to Find Reliable Angle Valves from China in 2025


China remains a top manufacturing hub for angle valves, offering competitive pricing and quality. To find reliable suppliers, consider platforms like Alibaba, which vet manufacturers and provide buyer protection. Look for suppliers with certifications such as ISO 9001 and positive customer reviews. Request samples to test durability and performance before placing bulk orders.


What Buyers Should Know Before Buying Angle Valves from China


When purchasing angle valves from China, pay attention to material quality (brass, stainless steel, or PVC), pressure ratings, and compatibility with your existing systems. Verify lead-free certifications for potable water applications. Negotiate shipping terms and ensure the supplier offers after-sales support. Always check for minimum order quantities (MOQs) and lead times.


Types of Angle Valves


Angle valves come in various types, including:

  • Compression Angle Valves: Common in residential plumbing, easy to install.
  • Ball Angle Valves: Durable, ideal for high-pressure applications.
  • Stop Angle Valves: Used to shut off water flow for maintenance.
  • Thermostatic Angle Valves: Regulate temperature in heating systems.

Functions and Features of Angle Valves


Angle valves control water flow at a 90-degree angle, making them ideal for tight spaces. Key features include corrosion resistance, leak-proof designs, and smooth operation. High-quality valves often come with ergonomic handles and ceramic disc cartridges for longevity.


Scenarios of Angle Valves


Angle valves are used in:

  • Residential plumbing (toilets, sinks).
  • Industrial systems (cooling, heating).
  • Commercial buildings (HVAC systems).
  • Agriculture (irrigation control).

How to Choose Angle Valves


Select angle valves based on:

  • Material: Brass for durability, PVC for cost-effectiveness.
  • Size: Match the valve size to your pipe diameter.
  • Pressure Rating: Ensure it meets system requirements.
  • Certifications: Look for NSF/ANSI standards for safety.

Angle Valves Q & A


Q: How do I know if an angle valve is leaking?
A: Check for water droplets around the valve or listen for hissing sounds. Tighten connections or replace worn-out seals.


Q: Can I use an angle valve for hot water?
A: Yes, but ensure the valve is rated for high temperatures (check the product specifications).


Q: What’s the average lifespan of an angle valve?
A: High-quality brass valves can last 10-15 years, while PVC valves may need replacement sooner.


Q: Are angle valves easy to install?
A: Yes, most compression-type valves require basic tools and no soldering.


Q: How do I maintain angle valves?
A: Periodically check for leaks, clean handles, and replace washers if needed.