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  • Automatic Lease Operations - Weeks Island Field, La.
    The float on the 500 psi separator is an externally-mounted pick-up type float with an explosion - proof mercury switch which makes contact on liquid level rise.
  • Current Trends in the Development of Industry
    According to VCM leaking possible in the polymerizer control field, VCM gas has inflammable and explosive characteristics, LT - 101 and PT - 101 transmitter were choosed for … safety zone); Temperature detection TE101 and TE102 were the flame- proof platinum resistance temperature WZP .... Pressure and liquid level detection were used respectively the diaphragm sealed EJA smart transducer; Switch valve selection of pneumatic ball was switch valve JC90JK11 - F82P with anti-explosion electromagnetic valve and anti-explosion travel switch.
  • Alternative Sewer Systems FD-12, Second Edition > Pressure Sewer Systems
    In the United States, their use is generally limited to more expensive installations, or they are used where the liquid - level sensors must be “ explosion - proof ”-rated. .... To achieve that standard, mercury switches use intrinsically safe relays that are expensive, complicate the control panel…
  • CR4 - Thread: Looking For Liquid Conductivity Circuits diagram
    Next in Forum: Explosion proof and fire proof. .... You might be interested in: Liquid Level Switches , Conductivity and Resistivity Meters, Nondestructive Testing (NDT) Conductivity and Resistivity Meters .
  • Trade literature
    This switch is completely oil immersed and the enclosing case is weather-resisting and dust- tight. .... It operates to maintain low or high liquid level , incorporates quick acting make- and-break mechanism, easily accessible, and is explosion - proof .