Valves

Question 1

What are fluid control valves used for?

Answer 1

Starting and stopping flow
Regulating or throttling flow
Preventing reverse flow
Regulating pressure
Relieving pressure
Isolating circuits and or components

Question 2

What are some common valve materials?

Answer 2

Bronze, brass, cast iron, stainless steel

Question 3

What does WOG or CWP on a valve mean and what does it
Denote?

Answer 3

Water, oil, and gas / or cold work pressure. Indicates the application as well as pressure it’s rated for

Question 4

What does WSP stand for and denote?

Answer 4

Working steam pressure, and denotes the rated pressure in PSI

Question 5

What type of valve is used for accurate throttle control?

Answer 5

Needle valves

Question 6

What are diaphragm valves commonly used for?

Answer 6

Throttling toxic or corrosive fluids

Question 7

What are common testing procedures for checking for leaks?

Answer 7

Weigh the valve
Volume measuring devices
Visual inspections
Electronic leak detectors