1. Please tell which of the control valves the following symbols are?ABXªP₂PT(() ()2. Which of the neutral condition of directional control valves for the following symbols are?ABA BABA BNHXTÄXXÂTTHXPTPTPTPT() () ( ) ( )3. Answer the following questions:1) What kind of control valve is shown in the following Fig.?2) Please tell the name of the mark 1, 2, 3 and 4 in the Fig..3) What is the function for port Pc?-P₂Pc

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1. Please tell which of the control valves the following symbols are? XHU PT ) ( P₁- ) ( P₂ )

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter24: Expansion Devices

Section: Chapter Questions

Problem 12RQ: Explain the following terms as they apply to electronic expansion valves: step motor offset error...

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Concept explainers

Pressure Vessels

The term pressure vessel refers to a closed container that contains gas or liquid at a different pressure than environment pressure. The pressure vessels have a wide scale of applications in our day-to-day lives and other industrial places. Some common examples of pressure vessels are gas cylinders, autoclaves, compressor vessels, etc.

Question

1. Please tell which of the control valves the following symbols are?
AB
Xª
P₂
PT
(
(
) (
)
2. Which of the neutral condition of directional control valves for the following symbols are?
AB
A B
AB
A B
NHX
TÄX
XÂT
THX
PT
PT
PT
PT
(
) (
) ( ) ( )
3. Answer the following questions:
1) What kind of control valve is shown in the following Fig.?
2) Please tell the name of the mark 1, 2, 3 and 4 in the Fig..
3) What is the function for port Pc?
-P₂
Pc

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