Redwood pipe plugs work equally well for both gas and water lines, and are a fast inexpensive way to seal a leak. Redwood pipe plugs work equally well for both gas and water lines, and are a fast inexpensive way to seal a leak. Redwood tapered plugs for emergency pipe repair are most commonly used by gas companies, fire departments, and municipal water departments. Redwood pipe plugs are also referred to as DC Plugs, or media plugs in naval shipyards where they are used to keep sandblasting media and other foreign objects out of pipes during construction and renovation. The sizes we currently offer are listed below. Gas & Water Department Pipe Plugs Part Number Pipe Size Taper Length Plug-RW.5-.75 1/2" & 3/4" 1" - 1/4" 4-3/8" Plug-RW.5-.1.25 1/2" - 1-1/4" 1 1/2" - 3/8" 5-1/2" Plug-RW.75-1.5 3/4" - 1-1/2" 2" - 1/2" 5-1/2" Plug-RW2 2" 2 1/2" - 1 5/8" 6" Plug-RW3 3" 3 1/2" - 2 1/2" 6" Plug-RW4 4" 4 1/2" - 3 1/2" 6" Plug-RW6 6" 6 7/8" - 5 3/8" 8" Plug-RW8 8" 9" - 7 1/2" 10" Plug-RW10 10" 10 3/4" - 9 1/4" 12" Plug-RW12 12" 12 3/4" - 11 1/4" 12"
