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4126 Crankcase Pressure Sensing Valve



AMOT Model 4126 detects the minor pressure surge that usually precedes a major crankcase explosion. It will detect the smallest pressure buildup caused by worn packing or by excessive blow-by caused by a piston and liner just beginning to scuff. This high sensitivity provides instant warning or shutdown before major damage occurs as the unit will not reset itself automatically.


Features and Benefits

  • Suitable for air, gas or oil systems
  • Adjustable range of 0.017 - 0.034 bar (0.25 - 0.50 psi)
  • Higher range is available with use of auxilary spring