Sample valves are critical components for many industrial processes involving liquids, gases, and slurries. They ensure industries continue to run smoothly and efficiently while providing an outlet for both manual and automated material testing.
Of course, every industrial process has its own specific specific requirements when it comes to sampling valve selection. Each tank or channel is maintained at a particular temperature and pressure level. Materials may be expansive, corrosive, flow at a certain viscosity, or contain particulates that must be filtered or tested selectively. Sample valves contribute to quality control and process efficiency by quickly extracting fluids or gasses for identification and testing.
This means the selection of the right sample valve can have a profound impact on your system performance. We can help you choose the ideal sample valve for each stage of your production by understanding the 5 key features for sample valve selection.
Sample valves are a particular type of valve used to take samples from gas, liquids, slurries, powders, and viscous materials. This allows for testing for identification, quality control, and regulation compliance without interrupting the active manufacturing or industrial process.
Sample valves keep processes running efficiently while also providing real-time testing results. This ensures the ability to make real-time corrections if a variance is detected or confirm that everything is running smoothly at all times.
Sampling valves are able to maintain process integrity with precise and sterile sample extraction, operated either manually or automated for routine sampling at key points in the process without interrupting operations.
Choosing the right sample valve determines the precision, longevity, and performance of your sampling capabilities. It is vital to choose or customize your sampling valve to meet the specific needs of each material and the processing equipment where the sampling valve will be installed. These key features will ensure you choose the right valve for your industrial needs.
Start by assessing the valve materials that are compatible with your material and sampling environment. Key factors include chemical resistance, temperature, and pressure tolerance. If your materials are corrosive or have other chemical properties, select materials that can handle the chemical composition of your materials.
If you are sampling materials at a specific temperature or pressure, ensure your valve material is suitable to the environment to prevent damage, injury, or disruption of the industrial process.
Certain materials offer the greatest durability and longevity for specific conditions.
These materials can help to ensure durability, longevity, and efficiency in your sampling procedures.
The design of your valve will determine how it operates, sample size and precision, and maintenance requirements. You can also customize the design features of your valve to meet very specific industrial needs.
The most common types of valve designs are ball valves and needle valves.
Customization also makes it possible to tailor valves to meet the specifications of each industrial process. Customizations include size, materials, measured dispensing, and automation features. This will help you achieve the vital task of choosing a design that integrates seamlessly into your existing industrial systems.
Safety is an essential element of sample valve design. Sample valves are intended to provide measured and safe extraction of materials for two important reasons. First, to protect the industrial process from disruption or contamination. Second, to ensure the safety of human operators and nearby machinery from potential damage caused by explosive release or leaks.
Evaluate each potential sampling valve for safety and leak prevention features.
Enact best practices to keep your valves in optimal condition to maintain that safety.
The durability and integrity of your sample valve are critical - but so too is the role it plays in your operations. A well-designed sample valve should be easy to operate, inspect, and maintain. This ensures ongoing efficiency in both your daily operations and routine maintenance cycles.
A sample valve should feature a user-friendly design, such as simple valve operation, easy automation, and accessible maintenance. For manually operated valves, ergonomic handles are a must, ensuring your team can easily grip and operate the valve. Quick-disconnect ports enable safety and easy maintenance procedures.
Maintenance also plays a role in ease of operation. Valves should have easily accessible components and cleaning features. This will help reduce downtime and enhance productivity, as your team will be able to inspect, clean, and replace valve parts with ease.
When valves are easy to operate, you can also more efficiently test, inspect, and repair each sample valve as needed.
When investing in new industrial equipment, it's important to consider the balance of cost and longevity. This defines the investment value not just up-front, but over the years of performance you will get from the part. A sampling valve made from high-grade materials and a tailored design to suit your industrial needs can last for many years with standard maintenance procedures. This provides a valuable investment in terms of long-term durability and performance.
Choosing high-quality valves can lead to cost savings through reduced maintenance and longer cycles before replacement is necessary. By evaluating the total cost of ownership during your valve selection process, you can ensure excellent long-term performance and cost efficiency for your industrial facilities.
Selecting the ideal sample valve for your industrial process relies on understanding your needs, and then seeking out a design that both meets those requirements and offers greater value through excellent design and superior quality. You can find the best valve when you evaluate, prioritize, explore, and customize.
First, assess the needs of your industrial process. Consider the material you are working with, the conditions of the test environment, your sampling requirements, and any relevant regulations for compliance. The valve should allow you to take exactly the right sample size, manually or through automation, providing sterile samples and preventing contamination or disruption of the industrial process.
Once you have cataloged your needs, explore valve materials and design features that meet your requirements. Consult with a valve expert to help you identify the baseline design for a valve that can fulfill your performance needs. Make sure materials are made to withstand the work they are used for.
With your baseline defined, you can explore additional features that may improve your sample valve operations. Self-cleaning features, ergonomic design, or advanced valve actuation features are all potential ways to enhance or streamline your sampling procedures.
Lastly, explore your options for customization. Tailor the valve materials, size, or design features to both perfectly meet your needs and provide exactly the enhancements that will provide the greatest benefits to your operations. McKenzie Valve experts can help you with both the selection and customization process.
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Choosing the best sample valve for your operations is an involved process of assessment, planning, and customization. The key features to consider include material, design, safety, ease of use, and long-term durability. You can find everything you need, from high-quality standardized sample valves to precise customization options with McKenzie Valve. Contact us for outstanding support and custom-tailored products designed to meet your industrial needs.
Reach out to McKenzie Valve now to learn why a sample valve is right for you and get the product you're looking for.
Published: August 1,
Last updated: December 30,
Knowing what makes a valve the right choice
Valves control gas and liquid flow in almost every process and system. As common as they are, choosing the right valve can sometimes be time consuming and confusing.
Begin valve selection by first gathering some basic information on system performance requirements. Knowing this will make it easier to find the right valve. The five tips in this article focus on how to match valve features with these requirements.
Tip 1 – Valve size and type
Choose the right valve type. Every valve needs to perform one or more basic functions:
Function determines the design of standard valve types. These are some of the most common valve types:
Properly sizing the valve is also important. The right valve choice means matching the valve’s size to expected flow through the system.
Common Valve Types at VMA, Valve Manufacturers Association of America
How to Select the Right Valve (with Pros and Cons) at Indelac Controls
Tip 2 – Materials of construction
Know the chemical compatibility requirements. The valve materials need to be compatible with the gases or liquids flowing through it. Plastic valves usually resist harsh or corrosive chemicals better than metal valves.
Miniature Ball Valves: Plastic, Brass or Stainless Steel? at ISM, Industrial Specialties Mfg.
Chemical Compatibility Chart at ISM, Industrial Specialties Mfg.
Tip 3 – Performance requirements
Determine the pressure and temperature requirements. Find out both the temperature and pressure ranges where the valve will be installed. Metal valves tend to withstand higher temperatures and pressures than plastic valves. Metal valves are also usually best for pressurized gases. This is because they tend to be stronger than plastic valves.
A Selection Criterion for Pump and Valve Reliability at Processing Magazine
Tip 4 – Check valves have special requirements
Be sure the new check valve will work as expected. Look at the response time needed as well as the cracking pressure required to open the valve.
Another consideration is normally closed vs normally open. There are basic check valve designs that require positive downstream pressure to open. These are usually referred to as normally closed check valves. There are other designs that require a positive backpressure to close. These are usually called normally open check valves. An appropriate choice between these two can improve check valve reliability. It is usually best to base this decision on whether the valve is usually open more or usually closed more during normal system operation.
Some check valve types may not work properly if mounted vertically instead of horizontally. Flow direction (upwards vs downwards) and fluid density both matter for check valve designs that can be mounted vertically.
Checking Out Check Valves – An Introduction at ISM, Industrial Specialties Mfg.
Tip 5 –Maintenance
Don't forget to consider ongoing maintenance. Any valve choice should include attention to maintenance requirements. This is important for both valve reliability and application stability.
A good example of this are ball valves. They resist clogging, jamming or malfunctioning. But they are not suitable for adjusting flow. Using them to control flow can lead to leaking or premature failure.
Valve connection type affects the ease and speed of repair or replacement. Each connection type (threaded, barbed, push-in, Luer, and so on) has its pros and cons.
Plant and Equipment Maintenance at HSE, Health and Safety Executive
Knowing where to start makes valve choice faster and easier
There it is. Knowing particular information beforehand, makes choosing the right valve easier and more certain. There will always be complications like application requirements, operating conditions and chemical compatibility. Starting with basic valve requirements will simplify and speed up valve selection:
Some additional resources
How ISM can help you find the right miniature valve for your application
Personalized customer service and resources available at the ISM website can be a great help when selecting a valve. Available online resources include chemical compatibility reference guides, dimensional drawings and product data sheets. Our online and PDF flow control valve catalogs provide access to a wide variety of miniature valve types, connection types, materials and sizes:
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