The answer to a variety of pipe sealing problems in all Industries from Sewerage, Petrochemicals, Food Processing, Mining etc. The Cover is available in Canvas, Heavy Duty Nylon, or Polyurethane coated to resist Petrol, Oil and Diesel. Ideal for use in areas where access is smaller than the test diameter. Can also be supplied with the Inflation Tube in the centre to block off either side of a T. Easily inflated for trouble free pipe sealing. Fitted either with a Schrader Valve, or Brass Air Tap. Larger sizes fitted with Ball Valve for inflating using a compressor. Can be fitted with a Pressure Gauge to prevent over inflation. Extension hose available to facilitate remote sealing.