Pipe Plugs

• Cherne Industries  - Selling pipe plugs and testing equipment.
• COB Industries, Inc.  - Specializes in pipe freezing, pipe plugs, pneumatic saws and pruning machines, magnetic drill presses and annular cutters.
• EST Group, Inc.  - Manufacturer of pipe and tube pressure testing and plugging equipment, pipe plugs, pressure testing plugs, heat exchanger and condenser tube plugs, stoppers, hydrostatic pumps.
• Lansas Products  - Offers a complete line of test plugs and flow-thru plugs in single and multi sizes.
• Mechanical Research & Design, Inc.  - Produces inflatable door seals, inflatable plugs, mechanical seals, multi size plugs, as well as bulkheads.
• Petersen Products Co.  - Manufacturing pipe plugs, packers, pipeline flushers for hot tap, under water, manway, and pipe end insertion.
• Precision Fittings  - Manufacturer of magnetic drain plugs, special cold formed, cold headed, machined parts, fasteners, standard, special and drain plugs.
• R.C. Graham Company  - Manufactures hand tightened expansion pipe plugs for the water and waste water industry.
• Sealfast Products  - Designs and manufactures pipe plugs, test plugs and bypass plugs, offers custom sealing devices and engineering expertise to develop non-standard size, configuration and applications.
• Stemar Equipment & Supply Co. Inc.  - Offers a complete product line in pipe plugs, sewer pipe plugs, pipeline acceptance / testing equipment, pipe leak locating equipment, confined space safety equipment, trench shoring, compaction equipment and pumps.