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Low Pressure Gas Plugs









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Low Pressure Gas Plugs Sizes: 51mm to 1219mm
  Pipe Diameter Size of Max. Inflation Test Head Shipping
Product Code Nominal  mm Tap Hole  mm psig bar m Weight  Kg
108 154-050-G 51 25 15 1.03 0.5 1
108 154-075-G 76 25 15 1.03 0.5 1
108 154-100-G 102 32 15 1.03 0.5 1
108 154-150-G 152 38 15 1.03 0.5 1
108 154-200-G 203 51 12 0.83 0.5 2
108 154-250-G 254 51 10 0.69 1 2
108 154-300-G 305 64 8 0.55 1 2
108 154-350-G 356 64 6 0.41 1.4 3
108 154-400-G 406 76 6 0.41 2.2 5
108 154-450-G 457 76 5 0.34 2.7 6
108 154-500-G 508 102 5 0.34 2.7 7
108 154-610-G 610 102 3 0.21 6 13
108 154-750-G 762 127 3 0.21 8 18
108 154-900-G 914 127 3 0.21 10 23
108 154-1050-G 1067 152 1 0.07 12 26
108 154-1200-G 1219 152 1 0.07 16 35


Directional Gas Plugs Sizes: 76mm to 610mm Diameter

The construction of the Directional Gas Plug is similar to traditional plugs but are made with a gum rubber bladder and have a nylon cover. These plugs have an internal, curved flexible nylon tube that enables the user to direct the gas bag either upstream or downstream. This directional capability makes for easier insertion into the main. Includes brass stem, gauge, petcock, valve, and black rubber plug

108 154-075-DR 76 25 10 0.69 0.23 1
108 154-100-DR 102 25 9 0.62 0.23 1
108 154-150-DR 152 32 7 0.48 0.15 1
108 154-200-DR 203 51 6 0.41 0.15 2
108 154-250-DR 254 51 4 0.28 0.08 2
108 154-300-DR 305 64 4 0.28 0.08 2
108 154-400-DR 406 76 3 0.21 0.08 5
108 154-500-DR 508 102 2 0.14 0.08 7
108 154-600-DR 610 102 2 0.14 0.08 13


Spare or Replacement Bags Only
108 154-075-R 76 25 10 0.69 0.23 1
108 154-100-R 102 25 9 0.62 0.23 1
108 154-150-R 152 32 7 0.48 0.15 1
108 154-200-R 203 51 6 0.41 0.15 2
108 154-250-R 254 51 4 0.28 0.08 2
108 154-300-R 305 64 4 0.28 0.08 2
108 154-400-R 406 76 3 0.21 0.08 5
108 154-500-R 508 102 2 0.14 0.08 7
108 154-600-R 610 102 2 0.14 0.08 13

**Inflatable Plug Warning: Maximum head pressures that a pipe plug may restrain can only be estimated. Slippage is influenced by many factors including fluid in the pipe, coefficient of pipeline friction, pressure required to inflate the plug, and accuracy of pressure gauges. Generally, a Multi-Flex™ Inflatable Plug inserted fully into pipeline will begin slipping between 50% and 80% of the inflation pressure if it has an inflated pipe contact length of 1 ˝ to 2 times the diameter, but even a head pressure of 50% of the inflation pressure may cause slippage with some liquids. The inflation pressure is also subject to temperature change and debris or protrusions in the pipeline that could rupture the plug. The inflation pressure should be monitored and plugs anchored and/or mechanically blocked when slippage could cause property damage or injury. NEVER use a test pressure greater than the capacity of the weakest pipe or component in the system. NEVER use an inflatable plug when its failure could cause injury or catastrophic damage. NEVER use an inflatable plug as the only means of protection for personnel working down stream.