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High Pressure Multi-Flex™ Block and Bleed Plugs









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High Pressure Multi-Flex™ Block and Bleed Plugs Sizes: 305mm to 2438mm
  Plug  Max. Inflation Pipeline Inflation Inflated cylinder  Shipping
Product Code Max mm psig bar Max. Head  m Flange  Length each plug Weight  Kg
108 129-300-BB 305 120 8.3 42 51mmx 136Kg 457 63
108 129-375-BB 381 100 6.9 35 51mmx 136Kg 558 66
108 129-400-BB 406 100 6.9 35 51mmx 136Kg 610 67
108 129-450-BB 457 100 6.9 35 51mmx 136Kg 685 70
108 129-500-BB 508 80 5.5 28 51mmx 136Kg 762 70
108 129-600-BB 610 80 5.5 28 51mmx 136Kg 914 71
108 129-750-BB 762 60 4.1 21 51mmx 136Kg 1143 78
108 129-825-BB 838 50 3.4 17 51mmx 136Kg 1244 80
108 129-900-BB 914 50 3.4 17 51mmx 136Kg 1372 86
108 129-1050-BB 1067 40 2.7 14 101mmx 136Kg 1600 92
108 129-1200-BB 1219 30 2 10.5 101mmx 136Kg 1829 105
108 129-1350-BB 1372 30 2 10.5 101mmx 136Kg 2057 120
108 129-1500-BB 1524 20 1.3 7 101mmx 136Kg 2286 122
108 129-1675-BB 1676 20 1.3 7 101mmx 136Kg 2514 130
108 129-1800-BB 1829 20 1.3 7 152mmx 136Kg 2743 136
108 129-2100-BB 2133 15 1 5.3 152mmx 136Kg 3200 150
108 129-2400-BB 2438 15 1 5.3 152mmx 136Kg 3657 163

**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.