ANSI/ISA-5.1-1984 (R 1992) 31 6.4 Control valve body symbols, damper symbols 32 ANSI/ISA-5.1-1984 (R 1992) 6.5 Actuator symbols ANSI/ISA-5.1-1984 (R 1992) 33 6.5 Actuator symbols (contd.) 34 ANSI/ISA-5.1-1984 (R 1992) 6.6 Symbols for self-actuated regulators, valves, and other devices ANSI/ISA-5.1-1984 (R 1992) 35 6.6 Symbols for self-actuated regulators, valves, and other devices (contd.) 36 ANSI/ISA-5.1-1984 (R 1992) 6.6 Symbols for self-actuated regulators, valves, and other devices (contd.) ANSI/ISA-5.1-1984 (R 1992) 37 6.7 Symbols for actuator action in event of actuator power failure (shown typically for diaphragm-actuated control valve). 38 ANSI/ISA-5.1-1984 (R 1992) 6.8 Primary element symbols ANSI/ISA-5.1-1984 (R 1992) 39 6.8 Primary element symbols (contd.) 40 ANSI/ISA-5.1-1984 (R 1992) 6.8 Primary element symbols (contd.) [...]...6.8 Primary element symbols (contd.) ANSI/ISA-5.1-1984 (R 1992) 41 6.8 Primary element symbols (contd.) 42 ANSI/ISA-5.1-1984 (R 1992) 6.8 Primary element symbols (contd.) ANSI/ISA-5.1-1984 (R 1992) 43 6.8 Primary element symbols (contd.) 44 ANSI/ISA-5.1-1984 (R 1992) 6.8 Primary element symbols (contd.) ANSI/ISA-5.1-1984 (R 1992) 45 6.8 Primary element symbols (contd.) 46 ANSI/ISA-5.1-1984... symbols (contd.) 44 ANSI/ISA-5.1-1984 (R 1992) 6.8 Primary element symbols (contd.) ANSI/ISA-5.1-1984 (R 1992) 45 6.8 Primary element symbols (contd.) 46 ANSI/ISA-5.1-1984 (R 1992) 6.8 Primary element symbols (contd.) ANSI/ISA-5.1-1984 (R 1992) 47 6.9 Examples — functions 48 ANSI/ISA-5.1-1984 (R 1992) 6.9 Examples — functions (contd.) ANSI/ISA-5.1-1984 (R 1992) 49 6.9 Examples — functions (contd.) 50 . valve body symbols, damper symbols 32 ANSI/ISA-5.1-1984 (R 1992) 6.5 Actuator symbols ANSI/ISA-5.1-1984 (R 1992) 33 6.5 Actuator symbols (contd.) 34 ANSI/ISA-5.1-1984 (R 1992) 6.6 Symbols for. regulators, valves, and other devices ANSI/ISA-5.1-1984 (R 1992) 35 6.6 Symbols for self-actuated regulators, valves, and other devices (contd.) 36 ANSI/ISA-5.1-1984 (R 1992) 6.6 Symbols for self-actuated. ANSI/ISA-5.1-1984 (R 1992) 6.8 Primary element symbols ANSI/ISA-5.1-1984 (R 1992) 39 6.8 Primary element symbols (contd.) 40 ANSI/ISA-5.1-1984 (R 1992) 6.8 Primary element symbols (contd.) ANSI/ISA-5.1-1984