ISA 20 : 1981
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy
12-01-2014
English
01-01-1981
1 Purpose
2 Scope
3 Receiver instruments
4 Annunciators
5 Potentiometer instruments specification sheet
instructions
6 Temperature instruments (filled systems)
7 Thermocouples and thermowells
8 Resistance temperature sensors
9 Bi-metal thermometers
10 Differential pressure instruments
11 Orifice plates and flanges
12 Rotameters
13 Magnetic flowmeters
14 Turbine flowmeters
15 Positive displacement meters
16 Level instruments (displacer or float)
17 Level instruments, capacitance type
18 Gage glasses and cocks
19 Traps and drainers
20 Pressure instruments
21 Pressure gages
22 Pressure switches
23 Instructions for control valve data sheet - ISA Form
S20.50, Rev. 1
24 Pressure control valves - pilots & regulators
25 Self-actuated temperature regulators
26 Pressure relief valves
27 Rupture discs
28 Solenoid valves
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