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INSTRUMENTS AND CONTROLS FOR PRESSURE, TEMPERATURE, FLOW, AND ELECTRICAL APPLICATIONS                                   Get Your OEM or Resale Price Today!                           281.240.1788  |    f:281.240.0656 HLR CONTROLS

HLR Controls, Hi-Lo  Pressure Sensor Sets, Pressure Sensor Assemblies Safety System Control Instruments

When it comes to safety system controls, SigmaHLR leads the way in providing the most reliable, innovative, high quality products. Over the past four decades, their line of HLR Control products has set the industry standard for dependable pneumatic and hydraulic instruments. Serving the oil and gas industry worldwide, they offer proven products, quick delivery and the highest level of customer service.

7970 Hi-Lo Pressure Sensors & Sets HLR 7970 Hi-Lo Pressure Sensor Set
  • Pressure Sensor Single
  • Pressure Sensor Set
  • Self-contained, field mount assembly
  • Typically installed directly on a flow line or process connection
  • For control circuits that require a loss of instrument supply upon detection of monitored pressure decreasing below the PSL, low pressure setting, or increasng above the PSH, high pressure setting
  • The pressure sensors are two position, three-way, automatic reset (spring return) with pressure balance spool and flow control valve
  • Can be set to pressures between 10 and 10,000 psi
  • 1⅛", ½", ¼" and ³/16;" piston arrangements included

Sand Probes & Elements HLR 350-10 Sand Probe
  • 350-10 Sand Probe
  • Sand Probe Elements
  • The HLR 350-10 Sand Probe is a Single Pole Double Throw (SPDT), electric switch assembly
  • Designed to operate in conjunction with shutdown controls and alarm circuits
  • The use of SPDT electrical switch contacts allows the assembly to be wired for either a gain or loss of electrical output upon actuation
  • Exhausting or removing the applied pressure at the base of the probe will allow the SPDT contacts to be automatically reset
  • Switch is preset to 100 psi to compensate for thermal expansion
  • Switch can be mounted directly on the sand probe element at the process connection or to a panel bulkhead
5000 Pressure Sensor Assemblies HLR Controls 5000 Pressure Sensor Assembly
  • Technical Info
  • Quick and easy installation
  • Turn key unit
  • A 7970P100 Pressure Sensor Set (PSHL) and an HLR 150-14 Manual Reset Relay which have been tubed up in a typical single well hook-up configuration
  • Unit screws into an isolation valve or process connection, and hook up the Inlet and Outlet connections put the unit into service
  • Unit can operate with a 125 psi supply pressure which alleviates the need for a low pressure regulator
  • Reduces the time and materials needed to get a well online by elminating the need to purchase and install tubing, fittings, and gauges                                   Get Your OEM or Resale Price Today!                           281.240.1788  |    f:281.240.0656