Hey there! I’m a supplier of double outlet angle valves, and I often get asked about the standard connection type of these valves. So, I thought I’d share some insights on this topic in today’s blog post. Double Outlet Angle Valve

First off, let me briefly explain what a double outlet angle valve is. It’s a valve that has a 90-degree angle in its body and two outlets. These valves are commonly used in plumbing systems, especially in situations where you need to control the flow of water to two different fixtures or areas from a single source.
Now, let’s dive into the standard connection types.
Threaded Connections
One of the most common connection types for double outlet angle valves is the threaded connection. Threaded connections come in two main types: NPT (National Pipe Thread) and BSP (British Standard Pipe).
NPT is the standard in the United States and some other countries. It has tapered threads, which means the diameter of the threads gets smaller as you move down the pipe. This design allows for a tight seal when the valve is screwed onto the pipe. The advantage of NPT threaded connections is that they’re easy to install. You just need to wrap some Teflon tape around the male threads to prevent leakage and then screw the valve onto the pipe. It’s a pretty straightforward process even for DIYers.
On the other hand, BSP is widely used in the UK and many other countries around the world. BSP threads can be either parallel (BSPP) or tapered (BSPT). BSPP threads are straight, and they rely on a sealing ring to create a leak – proof joint. BSPT, like NPT, has tapered threads and provides a self – sealing connection. When it comes to double outlet angle valves, we see both types being used depending on the market and the specific application.
Threaded connections are great because they’re reliable and can withstand a certain amount of pressure. They’re also easy to replace if the valve ever fails. However, one drawback is that over – tightening the threads can damage them, leading to leaks in the long run. So, it’s important to use the right amount of force when installing threaded valves.
Compression Connections
Compression connections are another popular option for double outlet angle valves. In a compression connection, there are three main parts: the nut, the ferrule, and the valve body. The ferrule is a small ring that gets compressed between the nut and the pipe when the nut is tightened. This compression creates a tight seal around the pipe, preventing water from leaking out.
The advantage of compression connections is that they’re very flexible. You can adjust the position of the valve easily even after it’s been partially installed. They also don’t require any special tools for installation. A simple wrench is usually enough to tighten the nut. Compression connections are also less likely to damage the pipe compared to threaded connections, especially if the pipe is made of a softer material.
However, compression connections do have some downsides. Over time, the ferrule can wear out, especially if there’s a lot of vibration in the plumbing system. This can lead to leaks, and you may need to replace the ferrule periodically.
Soldered Connections
Soldered connections are commonly used in copper plumbing systems. To make a soldered connection for a double outlet angle valve, you first need to clean the ends of the copper pipe and the valve. Then, you apply flux to the surfaces, which helps the solder flow evenly. Next, you heat the joint with a torch until the solder melts and flows into the gap between the pipe and the valve.
Soldered connections provide a very strong and reliable seal. They’re resistant to high pressures and are less likely to leak compared to threaded or compression connections. They’re also a good option for hidden plumbing systems where you don’t want to have any visible joints.
But soldered connections are more difficult to install than threaded or compression connections. You need some special skills and tools, like a torch and solder. Also, if you ever need to replace the valve, it can be a bit of a hassle because you have to heat up the joint again to melt the solder.
Push – Fit Connections
Push – fit connections are a relatively new type of connection for double outlet angle valves. With push – fit connections, you simply push the valve onto the pipe, and a locking mechanism inside the valve creates a tight seal. There’s no need for tools like wrenches or torches, which makes installation incredibly easy.
Push – fit connections are great for DIY projects because they’re so simple to use. They’re also very fast to install, which can save you a lot of time. Another advantage is that they can be disassembled and reused if needed.
The main drawback of push – fit connections is that they may not be as reliable as some of the other types in high – pressure or high – temperature applications. They can also be more expensive compared to threaded or compression connections.
So, which connection type is the best for your double outlet angle valve? Well, it depends on several factors. If you’re in the US, threaded NPT connections might be your go – to option because of the widespread use. For DIY projects, compression or push – fit connections are a great choice due to their ease of installation. In copper plumbing systems, soldered connections are often the most reliable.
As a supplier of double outlet angle valves, I offer a wide range of valves with different connection types to meet your specific needs. Whether you’re a professional plumber working on a large – scale project or a homeowner doing some DIY plumbing, I’ve got you covered.

If you’re in the market for a double outlet angle valve and want to discuss which connection type would work best for your situation, feel free to reach out. We can have a chat about your requirements, and I can help you choose the right valve and connection type for your plumbing system. Don’t hesitate to contact me for any further questions or to start a purchase negotiation.
Shower Faucet References:
- "Plumbing Handbook" by a well – known plumbing expert
- Various industry reports on plumbing fixtures and connection types
Taizhou Camalin Bathroom Manufacture Co., Ltd
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