You may ask, “Can a check valve be installed vertically or horizontally?” The answer is yes, but you must choose the right valve for your system. For a vertical pipe, swing check valves are best, and water must flow upward. Always read the manufacturer’s instructions and understand the direction of water flow. Here is a quick table that shows which check valves work in different configurations:
| Check Valve Type | Horizontal | Vertical Up-Flow | Special Notes |
|---|---|---|---|
| Swing check valve | Yes | Yes | Hinge pin and disc must be in the correct position |
| Lift check valve | Yes | Sometimes | Ensure the piston moves and the body is properly aligned |
| Ball check valve | Sometimes | Design-dependent | Verify how the ball moves and its resting position |
Key Takeaways
- You can put check valves in vertical or horizontal pipes, but the kind of valve and the way water flows are important.
- Swing check valves work best when they are sideways. If you put them straight up and the water goes down, they might leak.
- Ball check valves can go straight up, but the water must move up for them to close right.
- Always read the manufacturer’s guide before you install a valve. This helps you avoid expensive problems.
- Gravity helps close valves when water moves up. Make sure your system has enough pressure for the valve to work.
- If there is dirt or solids in the water, it can block the valve. Pick valves made for dirty water and clean them often.
- If you hear noise from a check valve, it may not be installed right. Check if the valve is facing the right way and the water is flowing the right way.
- Keep the area clean and easy to reach when you put in the valve. This makes it easier to take care of and helps the valve last longer.
Can a Check Valve Be Installed Vertically?
Direct Answer
You might ask if a check valve can go in vertically. The answer depends on the check valve type and your system. Some check valves work well in vertical pipes, but some do not. Swing check valves usually need to be sideways because they use gravity to close. If you put a swing check valve straight up and down, the disc might not close right. This can let water flow backward. Ball check valves and lift check valves can sometimes work straight up and down. You should always read the manufacturer’s instructions.
If you want to put a check valve in vertically, make sure the water flows up. Water going up helps gravity close the valve when water stops. If water goes down, the valve might stay open. This means it will not stop water from going backward. Always check which way the water flows and what kind of valve you have before you put it in.
Why Orientation Matters
How you put in your check valve changes how it works. You need to think about a few things before you put it in straight up and down:
- Flow rate: If water moves too slow, the valve might not open or close right.
- Fluid properties: Thick or heavy liquids can change how the valve works. How sticky or heavy the liquid is matters.
- System pressure: High or low pressure can change how the valve works. Sometimes you need a stronger valve.
- Flow direction: Water going up in a straight pipe helps the valve close tight. Water going down can cause problems.
- Gravity effect: Gravity helps some valves, especially when the pipe is straight up and down. It helps close the valve when water stops.
- Media characteristics: If your liquid has stuff in it or is very thick, it can change how the valve works. You might need to clean it more.
Tip: Always read what the manufacturer says. Some check valves only work sideways. If you do not follow the rules, you could get leaks, noise, or the valve could break.
If you pick the right check valve and watch the water flow, you can put it in vertically. Make sure you know what your system needs and what your liquid is like. This will help you stop problems and keep your system working well.
Check Valve Types and Installation
Swing Check Valves
Swing check valves are pretty common in plumbing and industrial systems. You might wonder if you can install swing check valves in a vertical pipeline. The answer depends on the flow direction and the valve’s design. Most manufacturers recommend installing swing check valves horizontally. This position lets the disc swing freely and close tightly when the flow stops.
Install Swing Check Valves Vertically
You can install swing check valves vertically, but only if the flow moves upward. Gravity helps the disc close when water stops. If you try to install swing check valves in a vertical pipeline with downward flow, the disc may not close right. That can cause leaks or reverse flow. Always check the arrow on the valve body to make sure you have the right direction.
Tip: If you want to install swing check valves vertically, make sure the flow goes up. This keeps your system safe and prevents backflow.
Hinge Pin Placement
The hinge pin holds the disc in place. When you install swing check valves, you need to pay attention to the hinge pin placement. In a horizontal pipe, the hinge pin sits at the top, letting the disc swing down. In a vertical pipeline, the hinge pin must be on the side so the disc can move freely. If you place the hinge pin wrong, the disc might stick or fail to close.
Ball Check Valves
Ball check valves work differently. They use a ball that moves up and down to block or allow flow. You can install ball check valves in vertical pipelines, especially when the flow goes upward. The ball’s weight helps seal the valve when the flow stops.
Vertical Installation Requirements
Manufacturers say ball check valves are best for vertical installation with upward flow. The pressure lifts the ball, and gravity helps it return to the seat. If the flow is too slow, the ball might not move enough to open or close the valve. You need to make sure your system has enough velocity.
Static Head Considerations
Static head means the pressure from the height of the liquid. In a vertical pipeline, static head can help the ball seal tightly. If your system has low pressure, the ball might not seat well. Always check your system’s pressure before you install a ball check valve.
Note: Ball check valves need the right flow direction and enough pressure to work well. If you don’t have enough velocity, the valve may never fully open.
Other Check Valve Types
You’ll find other types like lift, poppet, and spring-loaded check valves. Each has its own installation rules.
Lift, Poppet, Spring-Loaded
Lift check valves usually go in vertical positions. Spring-loaded check valves give you more flexibility. You can install them vertically, horizontally, or even at an angle. Spring-loaded designs work with upward or downward flow, so you get more options.
- Lift check valves work best in vertical pipelines.
- Spring-loaded check valves can handle vertical-flow up, vertical-flow down, and even angled positions.
- Always follow the flow arrow on the valve body.
Manufacturer Specifications
Manufacturers provide clear guidelines for each check valve type. Here’s a quick table to help you choose the right orientation:
| Check Valve Type | Recommended Orientation |
|---|---|
| Gravity-assisted check valve | Vertical with flow moving upwards |
| Swing check valve | Horizontal flow position only |
| Spring-loaded piston check | Vertical-flow up, vertical-flow down, 45 degrees, 37 degrees, flexible installation options |
If you ask, “can a check valve be installed vertically,” you need to check the manufacturer’s instructions. The right installation keeps your system safe and prevents problems.
Vertical Installation
When you think about vertical installation, you need to know how the direction of flow changes how your system works. Let’s break it down so you can see what matters most.
Upward Flow
If your fluid moves up through the pipe, vertical installation works well for many systems. This setup lets gravity help the valve close when the flow stops. You get a reliable seal and less chance of backflow.
Gravity-Assisted Operation
Gravity plays a big role in upward flow. When you use a swing check valve or a lift check valve, gravity helps the disc or ball drop back into place. This stops water from going backward. Here’s a quick look at how different valves work with upward and downward flow:
| Flow Direction | Valve Type | Installation Requirement |
|---|---|---|
| Upward | Swing Check Valve | Hinge at the top so the disc swings open as fluid flows up. |
| Downward | Swing Check Valve | Hinge at the bottom to help the disc close and stop backflow. |
| Upward | Lift Check Valve | Inlet at the bottom so the disc lifts off its seat as fluid moves up. |
| Downward | Lift Check Valve | Outlet at the bottom so the disc closes with gravity and flow. |
You have a few good choices for upward flow in vertical installation:
- Spring-loaded check valves close fast when flow stops. They work great for upward flow.
- Lift-type valves do well if you have steady back pressure.
- Dual disk valves use spring-loaded disks. They do not need gravity to close, so they work well in vertical pipes.
Downward Flow
Downward flow in vertical installation brings some challenges. Gravity can make it harder for the valve to close if you do not pick the right type.
Spring-Loaded Valve Needs
If you want to use a check valve with downward flow, you should look for spring-loaded designs. These valves use a spring to push the disc or ball closed, even when gravity tries to keep it open. Here are some things you might face with downward flow:
- Gravity can cause problems if the valve is not set up right or if the flow is too slow. This can lead to backflow.
- Maintenance can be tough, especially if the valve sits high up and is hard to reach.
Spring-loaded check valves help solve these problems. They close quickly and do not rely on gravity, so you get better protection against backflow.
Compact Piping Benefits
One big reason people choose vertical installation is to save space. If you have a tight spot, vertical pipes let you fit more equipment in less room. Here’s a table to show the main benefits:
| Advantage | Description |
|---|---|
| Space Saving | Vertical installation helps you use less space, perfect for small areas. |
| Improved Drainage | It makes draining easier and helps stop backflow in systems that need regular draining. |
You can see that vertical installation is not just about how the fluid moves. It also helps you design a system that fits your space and keeps things running smoothly. When you pick the right check valve and follow the rules for vertical installation, you get a safer and more reliable system.
Solids and Valve Issues
When you set up a vertical installation, you might not think much about what’s flowing through your pipes. If your system carries water with sand, grit, or other solids, you need to pay extra attention. Solids can cause a lot of trouble for your check valve, especially when you use vertical installation.
Solids in the flow can sneak into places where they do not belong. Here’s what can happen:
- Solids can get stuck between the seat and the closure part of the check valve. When this happens, the valve cannot seal tight. You might see leaks or even backflow.
- Debris can build up inside the valve. Over time, this buildup makes it harder for the valve to open and close. Your system might not work as smoothly as you want.
- Solid particles can wear down the inside parts of the valve. If you use vertical installation in a system with lots of grit, you might notice the valve does not last as long.
- Sometimes, solids can block the valve from moving all the way. This means the valve cannot do its job and your system loses efficiency.
You might wonder why these problems seem worse with vertical installation. When you install a check valve vertically, gravity helps move solids down through the pipe. If the flow slows down, solids can settle right on the valve seat. This makes it even easier for debris to get trapped and cause trouble.
Here are some common mistakes people make with vertical installation and solids:
- Picking the wrong type of check valve for a system with solids. Not every valve can handle debris. Some designs work better than others.
- Placing the check valve too close to pumps or pipe bends. This can make the water swirl and create turbulence. Turbulent flow can push solids into the valve, making blockages more likely.
- Ignoring the effects of turbulence. When water moves in a wild way, it can slam the valve shut. This is called water hammer. Water hammer can damage the valve and shorten its life.
Tip: If your system has solids, look for a check valve designed for dirty or gritty water. Some valves have special seats or self-cleaning features. Always check the manufacturer’s advice before you choose a valve for vertical installation.
You can avoid most problems by cleaning your system often and picking the right valve for your needs. If you notice your check valve is not sealing or is making noise, check for solids stuck inside. Regular checks and good maintenance keep your vertical installation running smoothly.
Horizontal Installation
Suitable Valve Types
You may ask which check valves work best in horizontal pipes. The good news is you have many choices. Horizontal installation helps stop problems from gravity. Many check valve types work well this way. Here are some you can use:
- Swing check valves
- Lift check valves
- Ball check valves
- Dual plate check valves
- Axial flow (silent) check valves
Most of these valves close tightly when used in horizontal pipes. Swing check valves use gravity to help the disc shut. This gives a tight seal and lowers backflow risk. Axial flow check valves are often for vertical pipes. But you can use them in horizontal lines if you want less noise.
Tip: People like horizontal pipes because they are easier to install. They also help the valve last longer.
Valve Body and Internal Components
How a check valve works depends on its body and inside parts. Each part helps keep your system safe from backflow. Look at this table to see how each part affects how the valve works:
| Component | Function | Impact on Performance |
|---|---|---|
| Body | Holds all parts and connects to your pipe | Must handle pressure and protect inside parts |
| Disc/Flapper | Seals against the seat to stop reverse flow | Main sealing part; needs to stay strong |
| Seat | Surface where the disc seals | Good fit stops leaks |
| Spring | Helps the disc close fast | Reduces water hammer and improves response |
| Hinge Pin/Shaft | Lets the disc swing open and shut | Needs to stay lined up for smooth movement |
| Gaskets and Seals | Keep connections tight and leak-free | Crucial for sealing |
| Material Compatibility | Matches valve materials to your fluid | Wrong materials can cause early failure |
| Seat and Seal Design | Decides how well the valve stops backflow | Different jobs need different sealing levels |
If you pick a check valve with the right parts, it works better. You will have fewer problems. Always check the materials and design before you install.
Common Issues
Horizontal installation can still have some problems. You need to watch for mistakes that cause trouble. Here is a table showing common issues and what you can do:
| Issue | Consequence | Recommendation |
|---|---|---|
| Reversed valve | Blocks flow or lets water go backward | Check valve tag and piping diagram |
| Incorrect orientation | Gravity-dependent valves may not close right | Make sure body is in correct position |
| Poor support | Valve can get stressed and wear out faster | Add support and check alignment |
If you install a check valve wrong, you might see leaks or noise. Sometimes your system can fail. Always check the direction and support. Follow instructions and use the right valve for your pipe.
Note: If you hear strange sounds or see leaks, check your installation first. Fixing small problems early keeps your system working well.
Hydraulic Check Valve Installation
Inline and Threaded Valves
You might see inline and threaded check valves in many hydraulic systems. These valves are popular because you can install them quickly and they fit in tight spaces. If you want to get the job done right, you need to follow a few simple steps. Here’s a table that shows what you should do:
| Step | Description |
|---|---|
| 1 | Make sure the valve faces the right way. Look for the flow direction arrow. |
| 2 | Flush the system first. This removes dirt and small bits that could hurt the valve. |
| 3 | Tighten the valve using the right amount of force. Don’t over-tighten or you could break the threads. |
| 4 | Use the right thread sealant. This stops leaks and keeps your system safe. |
If you follow these steps, you help your valve last longer and work better. You also stop leaks before they start.
Cartridge and Manifold Valves
Cartridge and manifold check valves look different from inline types. You usually find them inside blocks or special housings. These valves save space and make your system look neat. You can swap them out fast if you need to fix something.
When you put in a cartridge valve, you push it into a hole in the manifold. The manifold holds the valve in place and connects it to the pipes. You need to check the size and shape of the hole before you start. If the valve does not fit, it will not work right. Always clean the hole and the valve before you put them together. This keeps dirt out and helps the valve seal tight.
Manifold valves work well in machines that need lots of valves in a small space. You can control many flows at once. If you want to change a valve, you just pull out the old one and put in a new one. This makes repairs quick and easy.
Flow Arrow and Port Markings
You should always look for the flow arrow and port markings on your check valve. These marks show you which way the fluid should go. If you put the valve in backwards, it will not stop backflow. The arrow or triangle points to the free-flow direction. This is very important for the valve to work right.
If you ignore these markings, you could damage your system. The valve might not close, or it could let fluid go the wrong way. This can cause leaks or even break other parts. Always check the markings before you finish the installation. You will save time and avoid big problems later.
Tip: Take a minute to double-check the flow arrow before you tighten everything down. It’s a small step that makes a big difference!
Manufacturer Instructions
When you put in a hydraulic check valve, always read the manufacturer’s instructions first. These instructions are not just tips. They tell you how to make your valve work well and last longer. The manufacturer knows their own product best. They test their valves a lot before selling them. If you do not follow their advice, you could have problems that are easy to stop.
The instructions give you important information, like:
- Correct orientation: The manual shows which way to put the valve in. Some valves only work in one way or position.
- Flow direction: Look for arrows or pictures. These help you match the valve to your system’s flow.
- Torque settings: The instructions say how tight to make the connections. If it is too loose, you get leaks. If it is too tight, you can break the valve.
- Sealant types: Some valves need special thread sealant or tape. The wrong sealant can break down and block your system.
- Maintenance tips: The manual gives you a plan for checking and cleaning the valve.
Tip: Keep the instruction sheet in a safe spot. You might need it later if you fix or change the valve.
Here is a table that shows what to check in the manufacturer’s instructions:
| What to Check | Why It Matters |
|---|---|
| Flow direction arrow | Stops leaks and keeps water going right |
| Installation angle | Makes sure the valve opens and closes |
| Tightening torque | Keeps seals tight and avoids damage |
| Cleaning schedule | Helps the valve last longer |
| Approved sealants | Stops chemical damage and clogs |
You might want to skip the manual if you have put in valves before. Do not skip it! Each valve can be a little different. One brand may need a different angle or a special washer. If you follow the instructions, you save time and money. You also keep your system safe.
If you are not sure, call the manufacturer’s support line. Most companies want to help you do it right. They can answer questions about hard installations or special fluids.
Note: If you lose the instructions, you can usually find them online. Search for your valve’s model number on the manufacturer’s website.
If you follow the manufacturer’s instructions, your hydraulic check valve will work as it should. You will not have leaks, noise, or early problems. You also protect your equipment and everyone who uses it.
Problems from Incorrect Orientation
Valve Not Closing
If you install a check valve the wrong way, you might notice the valve does not close. This problem can cause big trouble in your system. Sometimes, the disc inside the valve cannot open or does not open enough. You may see water stuck or moving in the wrong direction. When the valve does not close, your pump can run at maximum pressure but with zero flow. This can damage the pump and make it overheat. You might even see seal failures or broken parts inside the pump.
Here are some reasons why the valve does not close:
- You installed the valve backward. This can cause overheating and damage to the pump’s impeller or casing.
- In horizontal pipes, the valve must line up with gravity. If not, the disc may not seat right, and you get leaks.
- In vertical pipes with downward flow, gravity keeps the valve open. The valve needs a lot of reverse pressure to close, which is not good for your system.
Tip: Always check the flow direction arrow before you install the valve. This small step helps you avoid costly mistakes.
Reverse Leakage
Reverse leakage happens when the valve lets water flow backward. You want your check valve to stop backflow, but wrong orientation can make it fail. If the valve does not seat right, water can sneak past the disc. You may see leaks or even flooding in your system.
Common signs of reverse leakage include:
- Water moving in the wrong direction
- Loss of pressure in your pipes
- Wet spots or puddles near the valve
Reverse leakage can lead to wasted water and higher bills. It can also damage other equipment. If you notice leaks, check the valve’s position and make sure it matches the flow direction.
Sticking and Chattering
Sticking and chattering are noisy problems that can make your system shake or vibrate. You might hear rattling or banging sounds. These issues happen when the valve disc moves too much or gets stuck.
Here are some causes of sticking and chattering:
- The valve sits too close to the pump discharge. This can cause unsteady flow and make the disc move in a strange way.
- Elbows and devices that cause turbulence can make the flow swirl. This puts extra force on the valve disc.
- Not enough straight pipe upstream can cause velocity changes and pressure swings.
- Wrong valve orientation can make gravity and fluid flow fight each other, making the disc chatter.
- Poor piping design with lots of fittings and sudden changes can send vibrations through the valve.
- If the system design does not consider these issues, the valve will be more likely to chatter.
| Problem | What Happens | How to Fix It |
|---|---|---|
| Sticking | Valve disc gets stuck | Move valve away from elbows |
| Chattering | Valve disc rattles or vibrates | Add straight pipe upstream |
Note: If you hear strange noises or feel vibrations, check the valve’s location and orientation. Fixing these problems early keeps your system safe.
Noise and Wear
Have you ever heard strange noises coming from your plumbing or hydraulic system? Sometimes, a check valve makes loud banging, rattling, or humming sounds. These noises can surprise you and even make you worry about your equipment. Most of the time, noise comes from a check valve that sits in the wrong position.
When you install a check valve incorrectly, the moving parts inside do not work as they should. Gravity, spring force, or fluid flow might push the disc or ball in ways the designer never planned. The disc can slam shut or bounce around. The spring might stretch or compress at odd angles. Fluid can swirl and hit the valve hard. All these actions create noise. You might hear chattering, clicking, or even a loud water hammer.
Noise is not just annoying. It tells you something is wrong. If you ignore it, your valve can wear out faster. The disc, seat, or spring can rub together and lose their shape. Over time, you might see scratches, dents, or even broken parts. Wear makes the valve leak or stick. Your system loses efficiency, and you spend more money on repairs.
Let’s look at some ways noise and wear show up in your system:
- The valve disc slams against the seat, making a sharp bang.
- The spring vibrates and makes a humming sound.
- Fluid rushes through gaps and whistles or hisses.
- The disc bounces and clicks as it tries to close.
If you hear these sounds, check the valve’s orientation. Noise often means the valve sits in the wrong position. Fixing the angle or direction can stop the problem and help your valve last longer.
Incorrect orientation leads to instability inside the valve. The parts move in ways they should not. This instability increases wear and shortens the life of your valve. You might notice leaks, reduced flow, or even total failure. Always install your check valve in the correct position. Listen for noise and look for signs of wear. Quick action keeps your system safe and quiet.
Installation Checklist
Valve Type and Orientation
You want your system to work right the first time. Start by picking the correct valve type for your job. Not every valve fits every situation. Some work best in vertical pipes, while others do better in horizontal lines. Always match the valve type to your system’s needs.
Before you begin installation, check these things:
- Confirm the valve type matches your pipe layout.
- Make sure the orientation lines up with the flow direction.
- Look at the size and pressure class. The valve should fit your pipe and handle the pressure.
- Check that the valve material works with your fluid. Some fluids need special materials.
If you skip these steps, you might face leaks or a valve that does not close. Take a few minutes to double-check. It saves you time and trouble later.
Flow Arrow and Ports
Every check valve has a flow arrow or marking. This arrow shows you which way the water or fluid should move. If you install the valve backwards, it will not stop backflow. You could even damage your pump or pipes.
Here’s what you should do:
- Find the flow arrow on the valve body.
- Match the arrow to the direction you want the fluid to go.
- Check the port markings. Some valves have “IN” and “OUT” labels.
- Make sure the ports line up with your piping.
Tip: Take a moment to look for the arrow before you tighten the valve. It’s a small step that prevents big problems.
Pressure and Cracking Pressure
Pressure matters a lot in valve installation. You need to know the system pressure and the valve’s cracking pressure. Cracking pressure is the minimum pressure needed to open the valve.
Here’s a quick table to help you remember:
| What to Check | Why It Matters |
|---|---|
| System Pressure | Valve must handle your max pressure |
| Cracking Pressure | Valve opens only when pressure is high enough |
| Pressure Class | Valve rating must match your system |
If the system pressure is too low, the valve might not open. If it’s too high, you could damage the valve. Always check the specs before you finish installation.
Note: If you are not sure about the pressure, ask an expert or check the manual. The right pressure keeps your system safe and running smooth.
Cleanliness and Accessibility
You want your system to run smoothly, right? Cleanliness plays a huge role in making sure your check valve works as it should. Dirt, debris, or leftover bits from old pipes can mess up your installation. If you skip cleaning, you risk clogging the valve or causing leaks. You might even see your valve fail sooner than expected.
Before you start, take a close look at your pipes and fittings. Remove any dust, rust, or old sealant. Use a clean rag or brush to wipe down the surfaces. If you see any buildup, scrub it away. You can flush the pipe with water or air to clear out hidden particles. This step helps you avoid problems later.
Here’s a quick checklist for cleanliness:
- Inspect all parts for dirt or debris.
- Clean the pipe ends and valve body.
- Flush the system before installation.
- Use clean tools and gloves.
Tip: If you work in a place with lots of dust or grit, clean your workspace before you begin. A tidy area makes your job easier and safer.
Accessibility matters too. You need to reach your check valve for maintenance or repairs. If you tuck the valve behind other equipment or in a tight corner, you make future work harder. Think about where you place the valve. Leave enough space around it so you can use tools or check for leaks.
Here’s a table to help you plan for accessibility:
| What to Check | Why It Matters |
|---|---|
| Space around valve | Makes maintenance easier |
| Easy to reach tools | Helps with quick repairs |
| Visible markings | Lets you check flow direction |
| Room for cleaning | Keeps valve working longer |
You can save time and money by planning ahead. If you need to clean or replace the valve, you won’t struggle to reach it. You also lower the risk of mistakes during installation.
Note: If you work in a busy area, mark the valve location with a tag or sticker. This helps you find it fast when you need to check or fix something.
Cleanliness and accessibility help your check valve last longer and work better. You keep your system safe and avoid headaches down the road.
Conclusion
So, can a check valve be installed vertically? Yes, but only when the valve design, flow direction, and working conditions are suitable for that position. Before installation, confirm the valve type, body arrow, cracking pressure, and manufacturer instructions to avoid leakage, noise, or unstable operation.
As a hydraulic check valve manufacturer, Chenyang Hydraulic produces standard and custom valves for different installation positions and system requirements. Our team can help you confirm the right structure, connection, pressure rating, and flow direction before production, so the valve matches your hydraulic application correctly.
FAQ
Can you install any check valve vertically?
No, you can’t. Only certain types, like swing or spring-loaded check valves, work in vertical pipes. Always check the manufacturer’s instructions before you start.
What happens if I install a check valve backwards?
You’ll get leaks or backflow. The valve won’t stop water from moving the wrong way. Always follow the flow arrow on the valve body.
How do I know which way the check valve should face?
Look for the flow direction arrow or “IN” and “OUT” markings. The arrow should point in the direction you want the fluid to move.
Do check valves need maintenance?
Yes! You should check for debris, leaks, or noise. Clean or replace the valve if you see problems. Regular checks keep your system safe.
Can solids in the water damage my check valve?
Yes, solids can cause the valve to stick or leak. If your system has grit or debris, choose a valve made for dirty water and clean it often.
Why does my check valve make noise?
Noise means something’s wrong. The valve might be in the wrong position, or there could be turbulence. Check the installation and move the valve if needed.
Is it okay to use thread sealant on check valves?
Yes, but use only the sealant recommended by the manufacturer. The wrong sealant can clog or damage the valve.