answersLogoWhite

0


Best Answer

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 .

User Avatar

Wiki User

12y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What are Tube piercing valves?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

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.


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


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.


How many bulbs or lamps are there in a big screen tv?

We have stopped using lamps valves or any sort of bulbs aside from the picture tube many years ago so you Will get 1 at best. the tube.


If a belly button piercing is a bit dry is there anything you can put on it to moisturize it?

That anti bacterial stuff in a yellow tube. It has vaseline consistancy & kills germs.


How does the length of the air column in the trumpet change?

The valves when depressed insert extra tubing into the air stream which alters the resonance of the tube overall.