Flexible and easy to install ... black iron can corrode and its sealant can deteriorate. If your gas pipes are made of black iron, consider hiring a professional for routine maintenance.

The Chronicle questioned whether Gov. Gray Davis' appointees were trying to restore a requirement that gas flow through rigid pipes -- instead of flexible ones, which cost less and are "safer ...

But critics say that the walls of CSST -- popular because its bendability makes it easier to install than the black iron pipe ... have all found flexible gas piping to be safe and effective ...

Philadelphia, PA, April 28, 2023 (GLOBE NEWSWIRE) -- Zion Market Research has published a new research report titled “Flexible Pipes For Oil & Gas Market By Type (High-Density Polyethylene (HDPE ...

Optional black carbon-filled PE resists long-term ... ISO 10420, “Petroleum and Natural Gas Industries-Flexible Pipe Systems for Subsea and Marine Riser Applications,” 1994.