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Model 3100P/3100P1 Liquid Level Switch

Brand: Mallard Control

The Model 3100P and 3100P1 are pneumatic, float-operated switches for liquid level control. 

The 3100P is a 2-way normally-open or normally-closed pneumatic switch, and the 3100P1 is a 3-way block-and bleed switch. 

The 3100P and 3100P1 are rated for high pressure applications, and the polystyrene float will effectively and consistently operate the switch at specific gravities as low as 0.50. 

Both models can be mounted directly onto the vessel nozzle or into an external float chamber.

Specifications

Enclosure, Body Material

  • 1018 Carbon Steel
  • 316 Stainless Steel

Materials of Construction

  • Float: 316 Stainless Steel (Hi Temperature Option) - 0.68 SG Min
  • Float: Polystyrene

NACE & NIST

  • NACE

NPT Connection

  • 1/4” NPT Female for Exhaust Connection
  • 1/8” NPT Female for Supply Pressure Connection
  • 2” NPT Male

Seat / Seal Material

  • Seal: Viton
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