Bronze Check Valve and Y-Strainer Guide

In this blog post, you’ll read:A check valve is the valve that prevents backflow in a piping system. It is also called a non-return valve or NRV. Bronze check Valves have two ports. These ports allow fluids to flow in one direction and then close to stop flow in the opposite direction, called backflow. Check valves are simple and inexpensive. Their bodies can be made of varying materials like plastic or metal. A bronze check valve is a type of check valve considered durable and corrosion-resistant.
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Bronze Check Valve                 

A check valve is the valve that prevents backflow in a piping system. It is also called a non-return valve or NRV. Bronze check Valves have two ports. These ports allow fluids to flow in one direction and then close to stop flow in the opposite direction, called backflow. Check valves are simple and inexpensive. Their bodies can be made of varying materials like plastic or metal. A bronze check valve is a type of check valve considered durable and corrosion-resistant. Usually, bronze check valves are applied on the discharge side of pumps.

When a pump stops and backflow occurs, it can damage and destroy the pumping equipment or system. If a piping system uses a single downward-sloping pipe, the possibility of backflow is minimal. In such a case, a check valve may not be necessary.

bronze valves 2023
bronze valves 2023

What is the design of the Bronze Check Valve?

A bronze check valve is designed to open at a specified cracking pressure, the slight upstream pressure at which the valve can operate. Typically, this type of valve runs automatically, although, in rare instances, it can be manually regulated. There are various types of bronze check valves. It includes spring checks, swing checks, lift checks, ball checks, heart valves, and piston checks. The different types are designed to meet specific application requirements. Leading manufacturers can customize bronze check valves to fulfill the needs of particular customers by incorporating more complex features.

Different categories of bronze check valves perform specific functions. Yet, the bronze ball check valve contains a moveable spherical ball that restricts flow. Typically, it is relatively inexpensive. This type of valve is used in liquid dispensers, rubber bulbs, spray devices, and manual air pumps.

Lift check valves have spring-loaded discs that ease rapid closure and rarely crash. The most prevalent check valve type is a flat disc that pivots on a hinge pin. They typically include accessories such as weight and lever. Because they are electrically connected to a pump control circuit, pump control valves can be synchronized. It enables systematic pipeline fluid velocity control.

bronze swing check valve
Bronze swing heavy check valve.

How Does the Bronze Check Valve Work?

A bronze check valve is a device that only allows fluids to flow in one direction. The main function of a bronze check valve is to stop the system from flowing backward. Check valves are cheap, easy, and effective ways to fix a problem that could happen. Backflow can be problematic if the flow is dirty and further pollutes the media upstream. For instance, a sewer line will have a non-return valve to ensure that waste can leave but can’t go back into the system it came from.

There are different sizes and shapes. People often use two-way bronze check valves. Bronze check valves with vents are used as three-way check valves to keep backflow from contaminating the water coming into the house. The atmospheric vent lets water that has been purged down a drain.

Check Valve Types, Parts, and Use – Technical Explanation
HardHat Engineer

Application of Bronze Check Valve

Bronze check valves can be utilized in a variety of settings and for a variety of purposes. Yet, they are mainly required to reduce the risk of condensate backflow or drainage in a piping system. A bronze check valve is used in steam locomotives and various pumping devices, such as injectors and feed pumps. Typically, piston-driven and diaphragm check valves are used in metering pumps. Typically, chromatography pumps use back check valves. Ball check valves are commonly found in hydraulic jacks to aid in the pressure buildup required for the lifting function.

Chemical and power facilities use this check valve type to combine numerous gases into a single gas stream. Irrigation sprinklers and emitters use check valves to prevent lines from draining. Yet, the rainwater collection systems require check valves to avoid water contamination from the main supply. Various bronze check valves available on the market are made with different designs and characteristics to facilitate their use in highly sophisticated applications. So, they have variable prices. No single bronze check valve model is suitable for all services.

Installation, Operation, and Maintenance of Bronze Check Valve

1) Check valves must be oriented for flow and gravitational effect. On the side of the valve, a directional arrow specifies the needed flow direction.

2) Ensure the piping system is clean and prepared before valve installation. Yet the pipe threads are free of excessive grit, dirt, or burrs.

3) Use pipe sealant, which is suggested for valve end use, on threaded valves.

4) Use solder on solder joint valves, as recommended for end-use valves.

5) Inspect the valve ports and seating surfaces for cleanliness before installation. Care should be taken to ensure that pipe sealant is not excessively applied to the pipe threads to the point where it fouls the valve seat.

6) Establish support for the valve to prevent strains caused by the connected pipe.

Inline Spring Loaded Check Valve with a box 0614c
Inline Spring Loaded Check Valve with a box 0614c

Lifespan of Bronze Check Valve

The lifespan of every valve depends on the operation lifecycle. Some other factors also tell us about the lifespan, like manufacturing material. However, the average lifespan of the bronze check valve is more than ten years. Regular maintenance is also needed for proper functioning.


(Bronze horizontal lift check valve)

Bronze Y-Strainer Guide

What is Bronze Y-Strainer

A Y strainer, shaped like the character “Y,” is a filter that removes particles from fluids like steam, gas, or water. Mesh, perforated metal, or a wedge wire straining device facilitates this mechanical straining process. A wire mesh is the most typical straining element. Some models also feature “blow-off valves,” which enable cleaning in settings with more considerable dirt blowing. The strainer is a space-saving Y form. Because the fluid can move through the filter without changing directions, the Y shape provides superior flow characteristics over a T-type strainer.

bronze y strainer
bronze y strainer

What is the Purpose of Bronze Y Strainer?

The objective of a bronze y strainer is to remove undesired particles from steam, gas, or liquid by use of a straining device consisting of wire mesh. This mechanical process protects everything from pumps to steam traps in pipelines. Sometimes, Y strainers are designed with “blow-off valves” to facilitate the cleaning process. The most significant advantage of the y-type strainer is its flexibility.

It can be put vertically or horizontally, according to the user’s preference. Although this strainer type is a cost-effective alternative, y strainers can be smaller to save even more cash. This prevents extra materials. Y strainers can be constructed from various substances. The type of material selected is contingent on the industry and application. Yet, any form of the desired conclusion is also possible. A y strainer with the appropriate end exists from socket to flanged!

The number of possible customizations for y strainers is infinite compared to other filters. For this system to succeed, the y strainer’s design must be appropriate for the application. Before purchasing a y strainer, you must constantly be aware of the application you’re working with to achieve the desired outcomes.

Seal Material Options

Sealing a bronze Y strainer ensures its operation and enhances its lifespan. These are some standard options:

Fluoro Rubber Seal

When buying a Y strainer, you may see several similar seals. These consist of FKM, FPM, and Viton. These individual designations all refer to the same fundamental material: fluoro rubber. Why do distinct names exist? The ASTM abbreviates the substance as FKM, but DIN/ISO abbreviates the complete category of FPM. And DuPont Performance Elastomers registered Viton as a trademark for the substance.



PTFE washer and rubber seal
PTFE washer and rubber seal

This is one of the most prevalent seal materials. These are perfect for low and high temperatures and resist even the most hostile conditions.


Standing for ethylene-propylene-diene-monomer, EPDM is an elastomer comparable to Fluoro rubber. However, its chemical resistance and temperature range differ from those of FPM.

Criteria for Selecting Bronze Y Strainer

criteria for selecting bronze y strainer
Criteria for selecting bronze y strainer

Several types of Y strainers are available on the market to satisfy the needs of various industries. As you conduct research to determine which is ideal for you, keep the following factors in mind:

• Port size

• The temperature in your surroundings

• The level of pressure in your environment

• Preferred installation orientation

• The type of trash you need to strain

• Maintenance ease

There is no universal Y strainer that meets all requirements. Before proceeding, it is essential to grasp the application requirements.

Typical Applications of Bronze Y Strainers

A bronze Y strainer is most useful in a setting that demands constant protection against debris and contamination. Consider a few of the most prevalent applications that necessitate their use.

Steam Applications

The shape of these strainers is designed to withstand the high pressures present in the steam application, making them an essential resource.

Liquid Applications

Sand and gravel tend to permeate liquid applications. Y strainers can help keep these particles out to keep the liquid clean. When used with other water-handling applications, these strainers can protect valuable (and costly) equipment against damage, corrosion, or clogging caused by pollution.

Natural Gas and Air Applications Natural gas and air applications often have a low working pressure. Hence, it is essential to size components appropriately to minimize pressure loss from the inlet to the exit.

bronze y strainer china
bronze y strainer china

Strainer Types Available

Strainers are an essential component of several systems, and various kinds are available to meet the requirements of each application. Depending on the operating environment and system specifications, several strainers can be used for maximum performance. This category includes the bronze Y-strainer.

The bronze Y-strainer is famous due to its adaptability and durability. By trapping any foreign particles that may be flowing through the pipelines, it provides exceptional protection against jams and blockages. The strainer’s unusual shape allows it to catch debris while providing minimal restriction to the flow of liquid or gas, making it a perfect choice for various applications. In addition, bronze is resistant to corrosion. Thus, this strainer can operate well in multiple circumstances without degrading over time.


                 Size (mm)                 Size (Inches)

                     Bronze Y-type strainer (screwed ends)

Essential Factors to Consider for Bronze Y-Strainers

There are several factors to consider while purchasing bronze strainers. One is the metal’s thickness; you want something durable and long-lasting. Make sure that the filter is large enough to fit over your drain. Finally, inspect the design to ensure that you like it. Some individuals like a more classic appearance, while others desire something more contemporary.

Advantages of Using a Bronze Y-Strainer

A bronze Y-strainer is essential in numerous industries, including agriculture and petrochemicals. It is also an excellent option for those who want to keep their water lines free of corrosive substances. Numerous advantages of employing a bronze Y-strainer should be considered while selecting the ideal strainer for any task.

The material itself has numerous advantages. In severe settings, bronze resists corrosion significantly better than other materials, such as steel or plastic. Due to its durability and hardness, it does not require frequent maintenance or replacement. In addition, the Y-design strainer helps trap more extensive materials that could otherwise clog pipes and need costly repairs in the future.

Pre-Installation Steps

Before you install your Y strainer horizontally or vertically, it is essential to check over a few things. You are required to make sure everything is in working condition. Yet the system is within the capacity of the strainer (i.e., ensure the pressure rating of the y-strainer matches the system). Depending on the media passing through your system, you may also need to provide the material is chemically compatible.

You will want to inspect all the seals on the strainer and the pipe to ensure they are defect-free. Yet, the pipeline should also be checked for proper position. If the end connections are built to be threaded or soldered, the piping must be straight and not at an angle. Ensuring the flanges on the piping of the Y strainer are connected to the square prevents undue stress on the system.

Installing a Y strainer in a horizontal or vertical position requires some consideration. There are a few things you should need to check. You need to check if the strainer can sustain the system’s load (i.e., ensure the pressure rating of the y-strainer matches the system). It may also be essential to ensure chemical compatibility, depending on the media passing through your system.

It is essential to check the strainer and pipe seals to ensure they are in good working condition. Appropriate alignment of the pipeline should also be checked. The pipe must be straight and not at an angle if the end connectors are meant to be soldered or threaded. Avoiding stress on the system is as simple as checking that the flanges on the piping the Y strainer is attached to are square.

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