Refrigeration System Components Symbols

Front 1

Back 1

Centrifugal pump

Front 2

Back 2

Water regulator valve

Front 3

Back 3

Low side float control

Front 4

Back 4

PRV relief valve

Front 5

Back 5

Check valve

Front 6

Back 6

Pressure operated valve

Front 7

Back 7

Solenoid valve NC

Front 8

Back 8

Solenoid valve NO

Front 9

Back 9

Pressure operated 3 way valve

Front 10

Back 10

Temperature operated 3 way valve

Front 11

Back 11

Air eliminator

Front 12

Back 12

Vacuum relief valve

Front 13

Back 13

Pressure reducing valve

Front 14

Back 14

Check valve

Front 15

Back 15

Globe valve

Front 16

Back 16

Gate valve

Front 17

Back 17

Screwed

Front 18

Back 18

Flanged

Front 19

Back 19

Butt weld

Front 20

Back 20

Socket weld

Front 21

Back 21

Front 22

Back 22

N/A

Front 23

Back 23

N/A

Front 24

Back 24

Sight glass with moisture indicator

Front 25

Back 25

Angle hand valve receiver inlet valve

Front 26

Back 26

Gate valve Globe valve

Front 27

Back 27

Evaporator or condenser

Front 28

Back 28

Front 29

Back 29

Safety valve relief valve