Valves Flashcards
1
Q
Types of gate valves
A
Solid
Flexible wedge
Split wedge
Double disk
2
Q
Start and stop valves
A
Gate
Knife
Ball
Plug
3-way
3
Q
Butterfly valves are made for?
A
Low to medium pressure and low to medium temperature
4
Q
Types of valve stems
A
Rising
Non rising
OS&Y
5
Q
Types of butterfly valves
A
Wafer
Wafer lug
Two flange
6
Q
Adjustable valves
A
Globe
Butterfly
Diaphragm
Needle
7
Q
Types of valve operators
A
Gear operator
Chain operator
Pneumatic and hydraulic
Electrical operator
8
Q
When deciding what type of valve to use you need to figure out?
A
Temperature
Pressure
Medium (what material)
For on/off only or throttling.
