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Model L80 Threaded Pneumatic Level Switch

Brand: K-Dyne, Inc

The K-Dyne Model L80 Level Switch is a displacer actuated liquid level sensor that incorporates a 3-way pneumatic valve. It utilizes a patented internal direct mechanical action to detect the rise and fall of a liquid level in a tank or pressurized vessel. The Model L80 may be operated in either a low (direct acting) or high (reverse acting) mode of operation is quick and easy, requiring no special tools or switch calibration. The Model L80 uses horizontally or vertically mounted displacers and has a wide selection of displacers and rod lengths to meet most installation requirements. The 3-way valve version is also ideal for pneumatically operated control valves on separators, scrubbers, etc. It is ruggedly constructed of corrosion resistant materials which makes it perfect for applications in the industrial, oil and gas production, petrochemical and chemical industries.
Features
  • Permits changing the mode of operation (high or low) without switch recalibration
  • Body design has no deep cavities or recesses to allow dirty process fluids from affecting switch operation
  • Standard Models have no external adjustments and are perfect for high or low level alarms where set point tampering is unacceptable
  • Optional vertically mounted displacers and adjustable springs

Specifications

Brand

Ambient Temperature Range

  • -29° to 82° C (-20° to 180° F)

Ball Material

  • Tungsten Carbide

Cap Material

  • Spring Cap: 316 Stainless Steel

Cone Material

  • 630 (17-4 PH) Stainless Steel

Enclosure, Body Material

  • 316 Stainless Steel

Fluid Specific Gravity

  • Minimum: 0.6

NACE & NIST

  • NACE

NPT Connection

  • 2” NPT Male

Nut & Bolt Material

  • Lock Nut: 316 Stainless Steel

O-Ring Material

  • Seat & Valve Body: Fluorocarbon
  • Valve Stem: Fluorosilicone

Operating Pressure

  • Maximum

Pressure Range

  • Maximum

Process Temperature

  • Maximum

Screw Material

  • Set Screw: 18-8 Stainless Steel
  • Socket Cap: 316 Stainless Steel

Seal Retainer

  • 316 Stainless Steel

Seat / Seal Material

  • Body Seal: Fluorocarbon (FKM)
  • Seat: 316 Stainless Steel

Spring Material

  • Inconel X-750
  • Valve Stem: 316 Stainless Steel

Stem Material

  • Valve: 316 Stainless Steel

Supply Pressure - Maximum

  • psi: 35 (kPa: 241, bar: 2.4)

Valve Type

  • 3-Way Pneumatic
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