So you need to spec a valve. Now what?
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The first step is to consider a few essential elements. What&#;s the purpose of the valve? What features do you need to include? Will it need to be serviced over time? How do you connect it to the system, including pipes and wires? What size should it be? When it comes to valves, there&#;s much to learn. For every project you take on, the key is to design with valves in mind. Read on for a primer on valve fundamentals and selecting the correct valve.
Valves: What You Need to Know
Valves are everywhere! We have valves in our hearts, in our engines, and in our showers. Put simply, a valve is a device that controls the flow through a passageway. In irrigation systems, you may see check valves, air relief valves, flush valves, master valves, isolation valves, remote control valves, and more. A valve can be described by:
Its function in the system (e.g., a master valve or isolation valve)
The material it&#;s made of (e.g., brass or plastic)
Its operation type (e.g., manual or automatic)
Its internal mechanism (e.g., ball valve or gate valve)
Remote Control Valves
Now that you know what valves do and what they&#;re made of, let&#;s zero in on remote control valves (RCVs). These are automatic valves that control the flow of pressurized water from a mainline into a lateral line. They often correlate to zones in your design or stations in the controller. Depending on your local codes and conventions, consider an anti-siphon valve, an inline globe or angle valve, or an index valve. Inline globe valves are the most common, especially in commercial projects where backflow is already provided at the point of connection. These devices are inline with the pipe. The water enters one side of the valve and exits through the opposite side.
Linking the Hydraulics
To function properly, a remote control valve needs to be connected to the pipe and the electrical control system, then sized properly for the demands of the system. A variety of pipes exist, but the most common are polyvinyl chloride (PVC) and high-density polyethylene (HDPE or PE) pipe. The size of the valve, measured in inches or millimeters, correlates to the size of the pipe connection. PVC systems will use a slip or threaded valve connection. The most common thread type in the U.S. is National Pipe Thread (NPT). In international markets, British Standard Pipe (BSP) is often used. It&#;s important to note that the two are not interchangeable. HDPE or PE systems will use a compression fitting or an adapter. Once the hydraulic side of the valve is linked, connecting the solenoid to the electrical control system is simple.
Connecting the Electrical Components
There are two basic types of solenoids: AC and DC. Use an AC solenoid when powering with 24 VAC from the controller. Use DC-latching solenoids when powering with battery- or solar-powered controllers. If you have a two-wire system, connect the solenoid to the decoder according to the manufacturer&#;s instructions.
Sizing the System
Sizing the valve for system demands means ensuring your valve is suited to the quality, pressure, and volume of the water supplied. If the system uses reclaimed water, opt for a valve with a more robust diaphragm and internal filters designed for this water type. If a system must withstand extremely high pressures, address this with a pressure regulator at the point of connection and a valve suited to the final operating pressure of the system. Check manufacturer specifications for the pressure rating of the specific valve. It will vary by material, manufacturer, and model. Additional pressure regulation at the valve can help provide proper pressure to the system downstream of the valve.
Valve size is based on the water volume required to supply a zone. Manufacturers provide pressure loss charts for valves based on flow rate and valve size. For proper operation of the diaphragm and components inside the valve, there must be a small amount of pressure loss, but not so much that it strains the mechanism. The desired pressure loss in an RCV ranges from 2 to 5 PSI (0.14 to 0.34 bar; 14 to 34 kPa). Valve size is never based on the size of the mainline or lateral line pipe alone. It should always be sized for the flow demands of the zone. Here&#;s an example: If a 2" (5 cm) mainline is supplying a 1" (2.5 cm) lateral line, but the flow demand on the 1" (2.5 cm) valve results in a 9 PSI (0.62 bar; 62 kPa) pressure loss, then upsizing the valve can reduce this loss. Conversely, if a 2" (5 cm) mainline supplying a 1" (2.5 cm) lateral is given a 2" (5 cm) valve with a 0.5 PSI (0.03 bar; 3 kPa) pressure loss, the valve is oversized and should be smaller to accommodate the zone and save on material costs.
Selecting the Valve
Irrigation design novices often think the valve is the component that decides the rest of the design. They want to know how many spray heads they can put on a valve. The truth is they&#;re approaching the design in the wrong order. The valve is usually the last component to be selected. You must understand the supply type and system demands before valve selection occurs. Valves are complex. Taking the time to understand the function and features of each type will help you select the proper product for your design. Be sure to consider the manufacturer&#;s specifications, project requirements, and zon characteristics. It also helps to know the constraints of valve operations as this will help inform the design on the front end. When you design with valves in mind, it makes selecting the right valve much easier.
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Allow me to introduce you to the vibrant city of Dubai, where the sand is vibrant with energy from the oil and gas sector. If you work in the oil business, then you understand that all the equipment that is in your oilfields starting from the valves to any supply you want to have is very crucial for the operations to run smoothly and efficiently. Dubai as a part of UAE has many suppliers of oilfield valves that you can choose and what you need is to choose the right one. Okay then, here are the main things to look at the next time you&#;re making this rather important choice and enjoy the process, of course!
Dubai is more than just a city; it&#;s a powerhouse on the global stage. Its strategic location at the crossroads of Europe, Asia, and Africa has made it a central hub for international trade and commerce, especially in the oil and gas sector. With its top-notch infrastructure, excellent connectivity, and business-friendly environment, Dubai is the perfect place to find oilfield valves and supplies. So, what should you look for when choosing a valve supplier in Dubai? Let&#;s dive into the details, shall we?
First Impressions Matter:
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Today&#;s Dubai and postmodern business environment is not without its challenges, but the most severe concern proved to be the question of reputation. The following criteria should be used when looking for an oil field valve supplier in UAE: First, consider the reputation of the supplier. It is very easy to find suppliers that can offer their cooperation to you but you should be very careful and look for the companies that have a good reputation on the market with a lot of successful completed orders in their portfolio. Find real-life experiences, recommendations, and success stories. The reliable supplier is out there with great recommendations and numerous big clients on board.
Certifications Speak Volumes:
Purchases should try to engage suppliers that have gained an ISO, or the API (American Petroleum Institute) status since these internationally accepted certifications give buyers key insights with regards to the quality of input they are likely to receive from their suppliers. It will be important to note that these certifications are yardsticks of reliability and quality as it assures the consumers that its products are under these standards.
One Size Does Not Fit All:
It may be noteworthy to say that the variety of activities in the oilfield are more diverse than sand dunes of the Arabian region. Every project is different and a supplier has to be prepared for any contingent. Regardless of whether you are looking for gate valves, ball valves, choke valves, or a specific application, variety is key. Thus, it is appropriate to suggest focusing on numerous offers for materials that can be supplied to meet the requirements of customization.
Tailored Solutions:
Customization is key. The right valve supplier from the selection of the best valve suppliers in Dubai will come up with solutions that will gel with the operations of your plant. Select a supplier that is capable of meeting the requirements of the specific project, that is to offer standardized products or services as well as being ready and able to customize the product or service to your project.
Quality is King:
Oil and gas industry is no stranger to the term quality, it is not just a cult term here, it is the key to success. It is used and subjected to extreme conditions as it controls the flow of materials your operations require. Hence, it is essential to order from suppliers that have in place quality assurance procedures and policies.
Compliance is Non-Negotiable:
Adherence to trade rules and other laws is essential. Verify that the supplier&#;s products are at par with international standards, where it will involve international standards like API. This means that the equipment is safe from failure, reliable and performs well which is important in protecting your business from potential operations downtime.
More Than Just a Transaction:
Valves are an essential element in the manufacturing and processing industries, and when selecting a valve supplier in Dubai, ensure that the partnership goes beyond when you have made your purchase. Ideally, a great supplier makes sure they offer support in terms of technicality throughout and also offers after sales services. This refers to help in installing it, solving problems that may arise from its use, and fixing it even after a long term of use from the time of purchase.
Training and Support:
Training may also be provided for your team to understand how installation, usage, and maintenance of these valves applies. Such assistance can become highly helpful, and it decreases the possibility of some mistakes as well as improves workflow in general.
Balancing Cost and Quality:
Of course, quality is never an issue to be compromised especially given that cost efficient production must also be achieved. Pricing also needs to be given due consideration and is one of the most important factors in the selection that needs to strike a proper balance between the cost and the quality. The last and arguably the most important tip is to compare different suppliers and their pricing. To achieve this, go beyond the aspect of price and try to estimate the degree of value quality.
Transparent Pricing:
It is important to note that there are no hidden charges when it comes to service provision and this goes hand in hand with timely and flexible payment mechanisms. Do not work with suppliers who charge more than the listed price for certain goods or have ambiguous expense structures. Pricing scales provide you with peace of mind because you are able to determine competitive and fair prices.
Timing is Everything:
In the oil and gas industry, particularly in the upstream production and processing, time sometimes is of the essence. Thus, this may disrupt the intended operation plans and result in severe economic consequences such as losses. The following key facilities should be considered while sourcing; Select suppliers with good logistics and a reputation for timely delivery.
Local Presence:
It is advantageous for a supplier to be located locally or, at least, based in Dubai or anywhere in the UAE since this will enable him to respond faster and organize logistics more effectively. Cuts the evidently goal to supply the project site with equipment and other necessities. We can note that the closer the facility to the project location, the better it is to minimize supplies&#; delivery time.
Stay Ahead of the Curve:
The oil and related gas industry is dynamic, with new innovations and advancements in technologies improving its operations. In your procurement, try to find suppliers that are using some of these technologies.
Smart Valves and IoT:
Present-day suppliers of valves are incorporating smart technologies, and the Internet of Things. These valves save time and costs by providing leukemic maintenance, real-time displaying and advanced performance information to prevent troublemaking occurrences and improve the functionality.
Being a valve supplier in Dubai, Al Moosawi takes pride in having been able to achieve the following. It means that we maintain high standards of service quality and constant focus on originality and clients&#; needs, which is very helpful in our industry. We strive to provide our clients with a complete line of valves that is compliant with the best practices in the global market and help your business provide a similar experience to their services or products.
The professionals in our team are always ready to assist and to offer comprehensive and efficient technical assistance as well as individual, analytical, and professional solutions which meet the individual requirements of your business. Join us and let your business benefit from our reputation of dependable service and performance which has placed us at the forefront of the oil and gas industry in UAE.
Choosing the proper oilfield valve supplier in UAE, specifically the place that is as dynamic as Dubai can be quite a challenging endeavor that plays a massive role impacting your company&#;s performance. It includes reputation, type of products, quality, technical support, pricing, delivery, and innovativeness. We can therefore make the right decision in accordance with operation needs and missions.
The territorial outline of Dubai plays host to a great many sources when it comes to oilfield valves and requisite supplies. Equipped with the information given in this guide, you are prepared for the intricate journey ahead and reach the destination of selecting the supplier that will indeed be your ally on the path towards achieving great results. Therefore, open up the opportunities of superior oilfield valves, fully seize the opportunities that Dubai provides, and move forward towards the path of excellence. Happy sourcing!
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