ISA S67.02 : 1983

1 Purpose
2 Scope
3 Definitions and terminology
4 Pressure boundary and mechanical design
       requirements
4.1 Summary of requirements
4.2 Mechanical design requirements
4.2.1 Instrument sensing lines in accordance with ASME
       Boiler and Pressure Vessel Code Section III
4.2.2 Instrument sensing lines in accordance with ANSI
       B31.1 Power Piping
4.2.3 Media isolation devices bellows or diaphragms
       and permanently filled capillaries
5 Protection of nuclear-safety-related instrument
       sensing lines
5.1 Redundant instrument taps
5.2 Routing instrument sensing lines
5.2.1 General considerations
5.2.2 Special considerations
5.3 Identification and color coding
6 Auxiliary devices, fittings and supports
6.1 Types of sensing line connections within the
       scope of this standard
6.2 Root and accessible isolation valves
6.3 Restriction devices and instrument response
6.4 Automatic reset excess flow check valves
6.5 Instrument sensing line supports
7 Materials
8 Documentation and quality assurance
8.1 Documentation for instrument sensing lines where
       ASME Section III is required by this standard
8.2 Documentation for instrument sensing lines where
       ANSI B31.1 is required by this standard
8.3 Documentation for permanently filled capillary
       tubes
8.4 Quality assurance requirements for instrument
       sensing lines for which ASME Section III is
       required by this standard
8.5 Quality assurance requirements for instrument
       sensing lines for which ANSI B31.1 is required
       by this standard and for seismic category I
       permanently filled capillary tubes
Apppendix
A Interface standards and documents
Figures
1 Water filled instrument sensing lines for water
       and steam service ASME Class I process,
       instrument in containment
2 Permanently filled instrument sensing lines for
       water and steam service ASME Class I process,
       capillary filled instruments in containment
3 Water filled instrument sensing lines for water
       and steam service ASME Class 2 process,
       instruments in containment
4 Permanently filled instrument sensing lines for
       water and steam service ASME Class 2 process,
       capillary filled instruments in containment
5 Water filled instrument sensing line for water
       and steam service ASME Class 3 process
6 Permanently filled instrument sensing line for
       water and steam service ASME Class 3 process,
       capillary filled instruments
7 Water filled instrument sensing lines for water
       and steam service ASME Class I process
       instruments outside containment
8 Water filled instrument sensing lines for water
       and steam service ASME Class I process,
       instruments outside containment
9 Containment atmosphere instrument sensing lines
       instruments outside containment
10 Containment atmosphere instrument sensing lines
       diaphragm with filled instruments outside
       containment
11 Containment atmosphere instrument sensing lines
       capillary filled instruments outside containment
Tables
1 Minimum mechanical design requirements for
       instrument piping and tubing that do not
       penetrate the primary reactor containment
2 Minimum mechanical design requirements for
       instrument piping and tubing that penetrate the
       primary reactor containment

Describes protection, design, and installation of nuclear-safety-related instrument sensing lines for light water cooled nuclear power plants, and covers the pressure boundary requirements for capillary tubing, piping, and tubing lines up to and including one inch outside diameter or three-quarter inch nominal pipe.