Table 5 Standard Hydraulic Symbols-continued

TM 5-5420-279-23

Table 5 Standard Hydraulic Symbols (continued)

Designation

Description

Symbol

Restrictor installed in line;

non-adjustable

Throttle valve

Adjustable restrictor

Simplified representation

Shut-off valve

Check valve

Without back pressure

Check valve

With back pressure

Line rupture

Valve closes in event of line rupture

protection

Line connection which can be

rotated during operation:

Rotating connection

e.g. three-way connection

Filter

General

Arrows indicate direction of heat

Cooler

Measuring

Pressure gauge

instrument

Appendix J Page 7