| ReturnTo Theme-Group-Choice | Onelevelup |
| 3H065 | Indication of the valve opening or closing status | |
| F16K37/00 -37/00@Z | ||
| F16K37/00 | AA | AA00 TYPES OF VALVES |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | ||
| . Lift valves | . . Butterfly valves | . Sliding valves | . . Cylindrical sliding valves | . Taps or cocks | . . Spherical-plug valves | . Rupture disks | . Others | |||||
| BA | BA00 CONDITION OF THE INDICATION UNIT |
BA01 | BA02 | BA04 | BA05 | BA06 | BA07 | |||||
| . Indication that is interconnected with valve operation | . Indication that is independent of the valve operation | . Mounting location of the indication unit | . . Indication units mounted on operation members | . . Indication units mounted on housings | . . Indication units mounted at remote locations | |||||||
| BB | BB00 MEANS FOR DETECTION OF THE VALVE POSITION AND MEANS OF TRANSMISSION TO THE INDICATION ELEMENT |
BB01 | BB02 | BB03 | BB04 | BB05 | BB06 | BB07 | ||||
| . Mechanical means of transmission | . . Gears | . . . Differential gears | . . Screws | . . . Differential screws | . . Links and cams | . . Flexible wires | ||||||
| BB11 | BB12 | BB13 | BB14 | BB15 | BB16 | BB18 | ||||||
| . Electric and magnetic means of detection | . . Detection by use of potentiometers | . . Detection of electrical current-charging of the solenoid (i.e., for electromagnetic valves) | . . Detection by switches | . . . Limit switches or micro-switches | . . . Switches operated by permanent magnets | . . Transmission by permanent magnets | ||||||
| BB21 | BB22 | BB24 | BB26 | |||||||||
| . Optical transmission means | . . Transmission by optic fibers | . Fluid means of detection | . Use of a flow-volume meter as a detection means | |||||||||
| BC | BC00 INDICATION UNITS |
BC01 | BC02 | BC03 | BC04 | BC05 | BC06 | BC07 | BC08 | BC09 | BC10 | |
| . Analog indication | . Digital indication | . Indication by display plates or indication bands | . Indication by means of color | . Indication by letters | . Indication by markings | . Indication by sound | . Indication by light | . . Lamps | . . Light-emitting diodes | |||
| BC11 | BC12 | BC13 | ||||||||||
| . Indication through windows or transparent plates | . Zero-point adjustment devices | . Others | ||||||||||
| CA | CA00 DETECTION AND MONITORING OF ABNORMALITIES |
CA01 | CA02 | CA03 | CA04 | CA05 | CA06 | CA07 | ||||
| . Detection by means of detectors | . . Detection of wire breaks | . Apparatuses that make decisions based on discrimination | . . Frequency analysis | . . Estimation of the usable life of elements | . Sounding of alarms | . Others |