24 Questions
What must all fittings meet in order to be installed in a boiler?
The required service designation for the boiler
Under what conditions are pressure fittings required to be registered as pressure components?
Pressures greater than 103 kPa and temperatures above 65°C
Which entity issues the fitting a Canadian Registration Number (CRN) if it is found suitable for pressure service?
The registering jurisdiction
What is required for the manufacturer of the fitting to obtain registration for a pressure fitting?
High quality control standards and evidence that the fitting can endure the type of service it was designed for
Which ASME code has administrative and technical jurisdiction over the design and fabrication of all nonboiler external piping?
ASME B31.1
What does ASME B31.1 Part 122.6 cover?
Piping to pressure-relieving valves and devices
What type of boilers generate steam at a pressure of more than 100 kPa?
Steam heating boilers
Where can specific rules for different types of power boilers be found in ASME BPVC I?
Part PG
Which ASME code covers the materials of construction and installation of fittings required for the integrity of the boiler proper?
ASME BPVC I
What does ASME BPVC IV rules cover?
Design and construction of hot water heaters
What is the pressure limit for hot water generated by heating boilers covered under ASME BPVC IV?
1100 kPa
According to ASME BPVC IV, what does Part HG-603 cover?
Water Gauge Glasses
Where can specific code references for safety valve requirements for steam boilers be found in ASME BPVC IV?
Part HG-401
What are the two categories under which power boilers designed to ASME BPVC I may be sub-categorized?
High-pressure steam boilers, High-pressure, high-temperature hot water boilers
Apart from blowoff piping, blowdown piping, and pressure relief piping, which other components does ASME B31.1 also cover the piping for?
Instrument, Control, and Sampling Piping
In the ASME B31.1 code, where can one find the construction and design requirements for all types of power boilers?
Part PG
What is required for the manufacturer of the fitting to obtain registration for a pressure fitting?
Submission of registration material, including CRN, by the supplier
Who has administrative jurisdiction over boiler external piping?
ASME BPVC I
What is essential for the safe and proper use of fittings and piping systems?
Proper identification, installation, and testing
Which ASME code has technical jurisdiction over steam piping, feedwater piping, blowoff piping, and blowdown piping?
ASME B31.1
Under what conditions are pressure fittings prohibited from use in pressure service?
If they are not registered with a Canadian Registration Number (CRN)
What must be provided by the supplier for every registered fitting installed or replaced?
Submission of registration material, including CRN
What must be clearly marked on fittings for safe and proper use?
Manufacturer name, service designation, and material designation
Which category does ASME BPVC I have administrative jurisdiction over?
Boiler external piping
Study Notes
- Fittings requiring registration include pipe fittings, expansion joints, hose assemblies, measuring devices, and pressure relief devices.
- Registration material (including CRN) must be provided by the supplier for every registered fitting installed or replaced.
- Jurisdictions prohibit the use of non-registered fittings in pressure service.
- Fittings must be clearly marked with manufacturer name, service designation, and material designation for safe and proper use.
- Power Engineers must consult the correct ASME codes (BPVC I for high-pressure plant piping, and B31.1, BPVC IV, and B31.9 for low-pressure plant piping) when designing, repairing, or installing piping systems.
- Boiler piping is divided into three categories: boiler proper piping, boiler external piping, and nonboiler external piping.
- Existing piping systems and new installations must follow the correct code for safe and durable piping systems.
- ASME BPVC I has administrative jurisdiction over boiler external piping, but ASME B31.1 has technical jurisdiction, including rules for steam piping, feedwater piping, blowoff piping, and blowdown piping.
- Proper identification, installation, and testing of fittings and piping systems are essential for safety and performance.
- Improperly identified fittings or piping must never be placed in pressure service.
- Fittings must be made of suitable materials and be of proper strength for the specific application to avoid failure or incompatibility.
Learn about the code reference for boiler fittings according to CSA B51 Boiler, Pressure Vessel, and Pressure Piping Code. This includes the registration process for boiler fittings and the considerations for their appropriate application.
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