Pioneer Intertrade offers from Cherne, USA DERGROUND LINE of products offer Sewer plugs in a range of sizes [Muni-Balls, Test-Balls], joint testing equipment, manhole testing equipment, hydrostatic test pumps, deflection gauges, line testing systems and municipal accessories. Plugs for blocking flow in a pipeline, for blocking flow in addition to by-passing sewer flow and sewer air testing The Factory Replaceable Sleeve Muni-Ball Plugs With heavy duty factory replaceable sleeves are Made of atural Rubber with Polyester reinforced cording for extra durability. They come equipped with aluminum casting, male by-pass connection and ductile iron clamping rings. Neoprene sleeves are available for hydrocarbon & high temperature applications. These are available for sizes upto 36" diameter users include the sewage departments of various municipalities
