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SMC > Valves > Large 3 Way Valves
Large 3 Way Valves

3 Way Valve

How many times have you tried to install a new valve only to find that it doesn’t fit the large diameter pipe that your workshop uses? Imagine how much money you could have saved if you got the right size components the first time around. If you represent a small or medium-sized business, then you might find yourself losing sleep over how much your firm has wasted dealing with these kinds of problems.

Larger enterprise-level companies can blow a ton of money too, since they’ll often place large bulk orders for valves and then find out later they don’t fit. In some cases, it can be hard to return these because of issues related to the vendor. In the worst-case scenario, you might not even be able to find the vendor later on.

At SMC Pneumatics, we stock large 3-way valves backed by an experienced team who isn’t going to abandon you. These support up to two-inch pipes, so you don’t have to concern yourself with whether or not they’ll fit. Even if you’re using fairly good size equipment, they’ll be able to do the job.

Best of all, they’re convertible so they work with either N.C. or N.O. solutions, which makes it easy to integrate them into any business operation. You’ll never have to worry about dealing with compatibility issues again.

Check out some of the following specifications and you’ll quickly see how these reliable valves can revolutionize your company’s business operations.

A Rundown Of Large 3-Way Valve Features

Valves designed for exclusively general use feature an internal pilot. There are also those with an external pilot, which are perfect for low-pressure scenarios or situations where you’d prefer to work with a vacuum generator. That being said, some technicians do use them in general service as well.

Internal pilot systems can take anywhere from 0.2-0.8 MPa of pressure, and the same is true when talking about the main pressure of external pilot devices. Those valves can handle main pressure vacuums as low as -101.2 kPa as well, so they should prove serviceable in an overwhelming majority of situations.

Ambient and fluid temperatures for both designs can run as low as right above freezing. These devices can perform well even if the temperature gets as high as 60°C. In any case, they can operate at frequencies as high as 3 Hz. While that might not be enough for most people to hear, it’s still a pretty impressive maximum operational frequency as far as pneumatic valves go.

Many technicians are concerned about the right direction to install their equipment in. Since these feature an unrestricted mounting orientation, you’re free to use them in whichever direction you’d like. To make sure you could use it however you’d like, the valves had to submit to very stringent testing procedures.

No malfunctions occurred during testing when a drop tester was used in the axial direction. The same tester was also applied at right angles to the main valve as well as the armature. Multiple tests were conducted with the devices powered on and off.

Vibration resistance figures were equally impressive. No malfunctions occurred during sweep tests that ran between 45 Hz and 1 kHz. Keep in mind that many of these frequencies are well within the range of hearing for a human adult, so they’re more than enough to be a bother. This should help to illustrate how resilient these valves are to vibrations that would normally cause an issue even to human operators.

Based on another dynamic performance test, the response time for AC-powered equipment was 30 ms or less. This test was based on the stringent JIS B 8374-1981 testing regulations. At a coil temperature of 20°C, even external pilot equipment that received DC power showed these performance characteristics. Internal pilot gear powered by DC voltage could still respond in around 40 ms or less after input was applied, so you should never really have to worry about lag even if you’re not working in absolutely ideal conditions.

While you might think that all of this sophistication means that there’s a series of complicated maintenance procedures to follow, that’s not true at all. You won’t have to do very much work to keep these running like new for years to come.

Lubricating Solenoid Valves

While the solenoid valve requires lubrication, you don’t have to get anything special to keep it moving well. Technicians are encouraged to use standard Class 1 turbine oil, which you may know by the ISO number VG32. More than likely, you already have some on hand so there’s a good chance you don’t even have to get any new compound to oil up your new valves. Not much is needed anyway, so a single container should last quite some time.

Since all of these three-way valves are designed very similarly to one another, you won’t have to stock additional supplies no matter what size you select. There are 1?, 1½” and 2? options available, which means you won’t have to replace any piping you have installed either.

Naturally, if there are any defective lines now is the perfect time to install new material. We always make sure to keep additional materials around just in case a project like this rears its head. While these valves are every bit as reliable as the material we stock, you might also want to keep a few extras on hand in case something were to happen on a work site.

Keep Your Business Moving with Reliable Pressure Valves

Large three-way units are always the best solution when you’re dealing with larger diameter pipes and triple circuit splits. SMC Pneumatics stays on top of all the latest developments so you can be sure that the valves you order are state-of-the-art models that can hold up to rigors of your company’s business environment.

Contact us online whenever you’re ready to learn more about the options you have available to you when you want to revamp your larger pieces of compressed air-powered equipment.