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A piercing valve is a valve with a pointed sharp tip that is used to gain access to a sealed refrigeration system that does not have service valves or Schroeder ports. And is to be used as a temporary device .

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13y ago

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How does a bicycle tube valve work?

Bicycle tube valves are one-way valves. They let air pass one way, then holds it in.


Can you apply polysporin to a body piercing?

Read the tube! No. Body piercing is considered a deep puncture wound.


What is the tube called in an old tv?

They were called thermionic valves. there was also the cathode ray tube (CRT)


Where can you get a bike valve?

That's a strange question. When you say valve I think about bike tire tube valves. These you generally get with the tubes. The only tube for which valves are regularly replaced are the ones with Dunlop valves, which are pretty rare outside Scandinavia. Then there are tubeless tire systems, but for a valve for those you turn to the rim/tire manufacturer.


A trumpet consists mainly of a long brass tube with a mouthpiece at one end and a flared opening or bell at the other end This tube is coiled to make the trumpet more compact The trumpet also has?

Valves, tuning slide, and spit valves.


Can you use a Presta tube on a Schrader rim?

No, you cannot use a Presta tube on a Schrader rim because the valve types are not compatible. Presta valves are thinner and require a smaller hole in the rim, while Schrader valves are wider and require a larger hole.


When used solderless type piercing valves they should not remain installed on refrigeration systems after completion of repairs because?

they tend to over time


What takes the place of the valves on a trombone?

Instead of valves, trombones have a movable slide. When extending the slide it causes the tube to be longer and this impacts along with lip configuration to changing the note and pitch


What are the different types of valves used in bike inner tubes, and how do they affect the performance of the tube?

There are two main types of valves used in bike inner tubes: Presta and Schrader valves. Presta valves are thinner and require a smaller hole in the rim, while Schrader valves are thicker and more commonly found on car tires. The type of valve can affect the ease of inflation and the compatibility with different pumps. Overall, the valve type does not significantly impact the performance of the tube itself, but it can affect convenience and compatibility with different equipment.


Which is better TR6 or TR4 type inner tube valves?

The choice between TR6 and TR4 inner tube valves depends on the specific application and personal preference. TR6 valves are typically longer and offer better accessibility for inflating tires, making them ideal for certain vehicles or setups. Conversely, TR4 valves are shorter and may be preferred for tighter fitments. Ultimately, the decision hinges on the rim design and the user's needs for convenience and functionality.


Why is the french horn so curly?

since there are so many valves, and they are rotory valves, there are actual tubes for each valve, including a valve for the trigger and a valve for no buttons as well. there are not as many valves on the trumpet because they have a different type of valves: the valves of the trumpet work like when you press down the button, the actual valve moves and a hole opens so it shows that the button was pushed down so the pitch comes through. there is only one necessary tube on the trumpet, because the valves are just holes in the tube. this is different on horn, because there are different tubes for each valve. the horn valves are rotors, so when you press down the button, the rotor moves and opens a hole. there is a different rotor for each valve, which means that every valve MUST have its own tube. this is why there are so many tubes on the horn:]


What is the overall design of a french horn?

A french horn is played into a mouthpiece that travels along a tube down and back up to a main tuning slide, usually containing a "spit valve". Then, it travels through a network of rotating valves and through a larger tube out. On a double horn, however, after the first network of valves, it can decisively travel through another tuning slide and through more valves to the same exit.