North American Product Classification System (NAPCS) Canada 2012 Version 1.1
- 34531 - Boilers, metal tanks, industrial valves and seals
- 345311 - Boilers and heat exchange units
- 3453111 - Heat exchangers and steam condensers
- 3453112 - Stationary and marine power boilers
- 3453113 - Nuclear reactor steam supply systems
- 345312 - Metal tanks (including gas cylinders)
- 3453121 - Metal gas cylinders
- 3453122 - Metal tanks and vessels (except gas cylinders)
- 345313 - Industrial and fluid power valves and fittings
- 3453131 - Industrial valves for water works and similar infrastructure
- 3453132 - Gate, globe, angle, straightway check and cross valves
- 3453133 - Industrial ball valves
- 3453134 - Industrial butterfly valves
- 3453135 - Industrial plug valves
- 3453136 - Other industrial valves
- 3453137 - Aerospace type hydraulic and pneumatic fluid power valves, fittings, and assemblies
- 3453138 - Non-aerospace type hydraulic and pneumatic valves, fittings and assemblies
- 3453139 - Parts for fluid power valves
- 345314 - Seals, gaskets and packings
- 3453141 - Seals, gaskets and packings
- 34531 - Boilers, metal tanks, industrial valves and seals
- 345311 - Boilers and heat exchange units
- 3453111 - Heat exchangers and steam condensers
- 3453112 - Stationary and marine power boilers
- 3453113 - Nuclear reactor steam supply systems
- 345312 - Metal tanks (including gas cylinders)
- 3453121 - Metal gas cylinders
- 3453122 - Metal tanks and vessels (except gas cylinders)
- 345313 - Industrial and fluid power valves and fittings
- 3453131 - Industrial valves for water works and similar infrastructure
- 3453132 - Gate, globe, angle, straightway check and cross valves
- 3453133 - Industrial ball valves
- 3453134 - Industrial butterfly valves
- 3453135 - Industrial plug valves
- 3453136 - Other industrial valves
- 3453137 - Aerospace type hydraulic and pneumatic fluid power valves, fittings, and assemblies
- 3453138 - Non-aerospace type hydraulic and pneumatic valves, fittings and assemblies
- 3453139 - Parts for fluid power valves
- 345314 - Seals, gaskets and packings
- 3453141 - Seals, gaskets and packings
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