Cherne 262080 Muni Ball Test Ball Plug, Pneumatic, 8 in Pipe, Natural Rubber, with Bypass 2WZP3 150 Degrees F 150 Degrees F Features a standard 3 8 in drive with friction ring (hog ring anvil) for quick socket changes Testing Bypass Thread Gender Female Maximum Back Pressure (Water) 30 ft of head Number of Inflation Chambers 1 For Use On Piping Systems Contains Bypass Yes Air Connection Type Tire Valve Body Surface Style Textured Bypass Connection Type NPT Test Plug Weight 5 lb Air Connection Gender Male Plug Seal Material Natural Rubber Series Muni Ball Head Tether Connection Eyebolt Maximum Back Pressure (Air) 13 psi Includes Protective Sleeve No Country of Origin United States For Minimum Pipe Inside Diameter 7 in