SynC · Topic
Propane
These are the standards in SynC Standards that cover Propane. Each one is a complete, plain-language specification: the scope it applies to, the requirements that govern it, and a structured equipment datasheet listing the values a project has to decide, with the standards each is verified against. All of it is written and maintained by SynC, free to read without an account, and published under CC BY 4.0.
A standard usually carries several topics, so most of the entries below also appear under neighbouring subjects. The topics each one carries are listed on its own page.
Standards
- Natural Gas Piping
Field-installed fuel-gas piping conveying natural gas or undiluted liquefied petroleum (LP) gas from the utility meter or LP-gas second-stage regulator to gas-fired appliances and equipment, including interior distribution piping, exterior aboveground piping, and buried exterior service piping within the property line. Covers system pressure tiers (low-pressure systems at or below ½ psig and elevated-pressure systems at 2 psig and 5 psig with line-pressure regulators), pipe and tubing materials by service and location (Schedule 40 steel, polyethylene for underground use, corrugated stainless steel tubing, and copper where the gas sulfur content permits), threaded and welded joints, gas valves, line-pressure regulators with overpressure protection, sediment traps and appliance connections, corrosion protection of buried steel, electrical bonding of metallic piping and CSST, and the complete pressure-test and purging sequence required by NFPA 54.