LC10 Series

BMD Liquid Level Controllers

The LC10 is a rugged, displacer-operated liquid level controller that is ideal for use on scrubbers, separators, heater treaters or anywhere else liquid level control is needed.

  • Direct or reverse acting
  • Both mounting and action are field reversible
  • Available with easily replaceable snap or throttling pilot for pneumatic control
  • Snap pilot available with soft seat option
  • NACE option available for sour service

FW Murphy is the exclusive BMD distributor for new equipment packages.

  • Overview
  • Specifications
  • Literature

The LC10’s industry-proven, force-balance design allows for control of gas/liquid as well as liquid/liquid interfaces.
It’s available with an easily replaceable snap or throttling pilot for pneumatic control. The snap pilot is available with a soft seat option that meets 40 CFR Part 60, Subpart 0000. SPDT and DPDT switches are available for electric control.

A wide variety of sizes and end connections are available as well as many different displacer arm lengths to fit any vessel configuration.

  • Sizes:
    • Threaded: 1 1/2” and 2”
    • Flanged: 2” to 8”
    • Union: 4” and 5”
  • Pressure Rating:
    • Threaded: 6000 psi
    • Flanged: Up to ANSI 2500 class
    • Union: 1500 psi
  • Temperature Range: -50° F to 400° F (-46° C to 204° C) (varies by material selections)
  • Pilot Connections: 1/4” NPT
  • Pilot Max Pressure: Limited by gauges
  • Electric Switch Ratings:
    • SPDT: 15 A @ 125, 250, 480 VAC
    • DPDT: 10 A @ 125 VAC
  • Materials:
    • Body: A105, LF2 (low temp option), SST
    • Body Trim: 303 stainless and 316 stainless (optional)
    • Pilot Body: Aluminum
    • Pilot Trim: 303 stainless
    • Case: Aluminum
    • Case Internals: 303 stainless
    • Displacer: PVC (standard), acrylic, stainless

For more information about this product, you can download the related literature here:

Sales Bulletin (2015358; revision date – 10/2022)