F. Tack Articles

  • Master hand hole (MHH) Plug welding recommendations - Case study

    Purpose This plant service bulletin advises owners and operators of B&W equipment on the recommended seal welding procedure for Master Hand Hole (MHH) plugs. Problem MHH plugs are available in carbon steel (SA-181-70) or 2!4Cr-lMo (SA-182 F22 CL3) for installation in various header and piping materials. Some seal welding methods have resulted in weld ...

    By Dürr MEGTEC, LLC

  • A New Strategy to Improve Water Quality—One Targeted Watershed at a Time

    Water quality in the United States remains a major environmental and policy challenge. Water pollution is also a growing and serious problem across much of the world. Tackling water quality problems, particularly from diffuse sources such as agricultural farm fields, is a substantial challenge and much can be learned from the U.S. experience. ...

  • Hydroseeding for Transportation Projects

    Hydroseeding has connections with most forms of transportation, including revegetation around highways, airports, and mass transit projects. It is even a part of water-related travel, if one considers work done on the grounds at marinas, shipping channels, and ports. ...

    By FINN Corporation

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