Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
67 Cards in this Set
- Front
- Back
|
What types of values would be best suited for restricted headroom non throttling? |
Ball valve and globe valve what |
|
|
What type of valve is most suited to throttling? (Not including needle) |
Globe valve |
|
|
What is the purpose of the lantern ring on a valve? |
To compress the packing |
|
|
What is the purpose of the packing gland inside of a valve? |
To compress the packing |
|
|
What is the purpose of the stuffing box on a valve? |
To prevent fluid leakage |
|
|
What are four types of disc designs for globe valves? |
Conventional, composition, plug and needle |
|
|
Main advantage of a OS&Y valve? |
Threads don't come in contact with the fluid. |
|
|
Main advantage of a OS&Y valve? |
Threads don't come in contact with the fluid. |
|
|
Main advantage of a non rising stem valve? |
Less head room to operate |
|
|
Main advantage of a OS&Y valve? |
Threads don't come in contact with the fluid. |
|
|
Main advantage of a non rising stem valve? |
Less head room to operate |
|
|
Main advantage of a diaphragm valve? |
No packing, less maintenance |
|
|
Main advantage of a OS&Y valve? |
Threads don't come in contact with the fluid. |
|
|
Main advantage of a non rising stem valve? |
Less head room to operate |
|
|
Main advantage of a diaphragm valve? |
No packing, less maintenance |
|
|
Main advantage of a lantern ring? |
Better lubrication |
|
|
Main advantage of a composition disc? |
Easily replaced |
|
|
Main advantage of a OS&Y valve? |
Threads don't come in contact with the fluid. |
|
|
Main advantage of a non rising stem valve? |
Less head room to operate |
|
|
Main advantage of a diaphragm valve? |
No packing, less maintenance |
|
|
Main advantage of a lantern ring? |
Better lubrication |
|
|
Main advantage of a composition disc? |
Easily replaced |
|
|
Main advantage of a Y pattern valve? |
Pressure loss kept to minimum |
|
|
Main advantage of a OS&Y valve? |
Threads don't come in contact with the fluid. |
|
|
Main advantage of a non rising stem valve? |
Less head room to operate |
|
|
Main advantage of a diaphragm valve? |
No packing, less maintenance |
|
|
Main advantage of a lantern ring? |
Better lubrication |
|
|
Main advantage of a composition disc? |
Easily replaced |
|
|
Main advantage of a Y pattern valve? |
Pressure loss kept to minimum |
|
|
Main advantage of a plug disc valve? |
Close throttling applications |
|
|
Main advantage of a OS&Y valve? |
Threads don't come in contact with the fluid. |
|
|
Main advantage of a non rising stem valve? |
Less head room to operate |
|
|
Main advantage of a diaphragm valve? |
No packing, less maintenance |
|
|
Main advantage of a lantern ring? |
Better lubrication |
|
|
Main advantage of a composition disc? |
Easily replaced |
|
|
Main advantage of a Y pattern valve? |
Pressure loss kept to minimum |
|
|
Main advantage of a plug disc valve? |
Close throttling applications |
|
|
Main advantage of a rising stem valve? |
Easy to tell if it's open or closed |
|
|
Main advantage of a OS&Y valve? |
Threads don't come in contact with the fluid. |
|
|
Main advantage of a non rising stem valve? |
Less head room to operate |
|
|
Main advantage of a diaphragm valve? |
No packing, less maintenance |
|
|
Main advantage of a lantern ring? |
Better lubrication |
|
|
Main advantage of a composition disc? |
Easily replaced |
|
|
Main advantage of a Y pattern valve? |
Pressure loss kept to minimum |
|
|
Main advantage of a plug disc valve? |
Close throttling applications |
|
|
Main advantage of a rising stem valve? |
Easy to tell if it's open or closed |
|
|
Main advantage of a needle valve? |
Close throttling at high pressures |
|
|
Main advantage of a OS&Y valve? |
Threads don't come in contact with the fluid. |
|
|
Main advantage of a non rising stem valve? |
Less head room to operate |
|
|
Main advantage of a diaphragm valve? |
No packing, less maintenance |
|
|
Main advantage of a lantern ring? |
Better lubrication |
|
|
Main advantage of a composition disc? |
Easily replaced |
|
|
Main advantage of a Y pattern valve? |
Pressure loss kept to minimum |
|
|
Main advantage of a plug disc valve? |
Close throttling applications |
|
|
Main advantage of a rising stem valve? |
Easy to tell if it's open or closed |
|
|
Main advantage of a needle valve? |
Close throttling at high pressures |
|
|
Main advantage of a ball valve? |
Quick response low maintenance |
|
|
Main advantage of a OS&Y valve? |
Threads don't come in contact with the fluid. |
|
|
Main advantage of a non rising stem valve? |
Less head room to operate |
|
|
Main advantage of a diaphragm valve? |
No packing, less maintenance |
|
|
Main advantage of a lantern ring? |
Better lubrication |
|
|
Main advantage of a composition disc? |
Easily replaced |
|
|
Main advantage of a Y pattern valve? |
Pressure loss kept to minimum |
|
|
Main advantage of a plug disc valve? |
Close throttling applications |
|
|
Main advantage of a rising stem valve? |
Easy to tell if it's open or closed |
|
|
Main advantage of a needle valve? |
Close throttling at high pressures |
|
|
Main advantage of a ball valve? |
Quick response low maintenance |
