W. M. Huitt Company
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Below are Technical Papers and Letters on various piping topics.
Flange Bolt Selection
Flange bolt selection for corrosive envionments.
B31.3 Category M Fluid Service
A suggested method for determining Category M fluid services.
Non-Hygienic Piping Material Inspection Requirements
Inspection requirements for non-hygienic pipe material in a pharmaceutical environment.
Pipe Material for Oxygen Service
Material selection for piping to be used in oxygen service.
Design Pressure_Test Pressure_PSV Set Pressure
The relationship between design pressure, test pressure, and PSV set pressure.
The need for welds maps. Are they a requirement for hygienic piping?
Leak Testing and Code Selection
Code selection and variations among Codes on leak test requirements.
Hubless Pipe Size Issue
Above 8" NPS the hubless joint becomes a possible integrity issue.
Why we need to comply with Code requirements.
Hydrogen Piping Material
Selecting piping material for hydrogen service.
How to mitigate the possibility of auto-ignition in hydrogen service.
Lined Pipe Triboelectric Accumulation
Preventing the build up and discharge of static electricity in line piping systems.
Nitrogen Leak Issue
Preventing gaseous leaks when using stub-ends.
ASME BPVC Code Cases 2155/2156-1 and UG-14
Characterizes and explains the long standing evolution of these Code Cases and their immenent effect on BPVC Sect. VIII, Div. 1 Para. UG-14
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