20 Questions
What are the primary service conditions that must be considered for boiler fittings, according to the CSA B51 code?
Operating temperature, operating pressure, and material compatibility
Under what conditions are pressure fittings required to be registered as pressure components under the CSA B51 code?
Pressures greater than 103 kPa and temperatures above 65°C, or pressures greater than 1720 kPa
What is required for the manufacturer of a pressure fitting to obtain registration under the CSA B51 code?
High quality control standards and proof that the fitting can endure the type of service it was designed for
Who reviews the application and evidence provided for the registration of pressure fittings under the CSA B51 code?
Design engineers employed with the jurisdiction
Which part of the ASME B31.1 code covers piping for pressure relief devices?
Part 122.6
What type of boilers generate steam or other vapor at a pressure of more than 100 kPa (15 psi)?
High-pressure steam boilers
Where can specific rules for watertube, firetube, electric, miniature, welded, and riveted designs for power boilers be found?
ASME BPVC IV
What does ASME BPVC IV cover the design and construction of?
Hot water heating boilers
Which part of ASME BPVC IV specifies the minimum requirements for safety and safety relief valves for steam boilers?
Part HG-400.1
What kind of boilers generate hot water at a pressure not exceeding 1100 kPa?
Hot water heating boilers
What must be provided by the supplier for every registered fitting installed or replaced?
CRN
Why do jurisdictions prohibit the use of non-registered fittings in pressure service?
To ensure safety
What information must be clearly marked on fittings for safe and proper use?
Service designation and material designation
Which ASME code should Power Engineers consult for high-pressure plant piping?
BPVC I
How many categories is boiler piping divided into?
Three
Which ASME code has administrative jurisdiction over boiler external piping?
BPVC I
What is essential for safety and performance of fittings and piping systems?
Proper identification, installation, and testing
Why must improperly identified fittings or piping never be placed in pressure service?
To prevent accidents and failures
What must fittings be made of for the specific application to avoid failure or incompatibility?
Suitable materials and proper strength
Which ASME code should Power Engineers consult for low-pressure plant piping?
B31.1
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.
Test your knowledge on the code reference for boiler fittings according to CSA B51. Learn about the registration of boiler fittings and the requirements for valves, piping components, and instruments connected to the pressure side of a boiler.
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