Level Control Switches

Select a Product Type:

Series 1100A Pneumatic & Electric High/Low Liquid Level Switch

Pneumatic liquid level switch that combines a cast carbon steel external chamber and a liquid level controller. Used in high- and low-level safety applications.

Applications

  • Gas Compressor Scrubbers
  • Separators
  • Sumps
  • Safety Systems
  • Pneumatic or Electric Controller
  • Stainless Steel Internals for Marine Service
  • Weathertight Case
  • Stainless Steel Displacer
  • Left- or Right-Hand Mount
  • Top-, bottom- or side-mount connections
  • Direct or Reverse Acting
  • Optional NACE
  • Optional 2220 psi W.P. (ANSI 900)
  • Standard 1,480 psig maximum working pressure @ 220°F/104°C (optional 2,220 psig working pressure)

Chamber:

  • 1480 psi W.P. (ANSI 600) at 100° F
  • Process Connections:
    1.00” Screwed NPT; 1.00” Socket Weld;
    1.00” Butt Weld, 2.00” Flanged
  • Cast Steel ASTM A216
  • Displacer Material 300 Series SST
  • Weight: 46 lbs.

Controller:
Pilot Action:

  • Pneumatic – Snap (on/off)
  • Electric – SPDT/DPDT (on/off)
  • Maximum Temperature: 400° F
  • Minimum Air Supply: 20 psi
  • Minimum Specific Gravity:
    •0.5 (Snap Pilot, SPDT)
    •0.7 (DPDT)