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LF20 Pressure Switch

Brand: Mamco

The LF20 pressure switch is specifically designed to stand up to extended duty applications. 

The switch is factory set but capable of field adjustment. A standard feature is a polyimide diaphragm for compatibility with a wide variety of fluids. 

The switch also offers various terminations including a Metric- Pack connector that forms a tight seal when connected. Design benefits include durable construction, compact size and enhanced set point integrity.
Features
  • Various diaphragm materials are available to make it compatible with many mediums
  • Many electrical terminations are available
  • We offer an adjustment screw to enable fine tuning if required
  • Tough, versatile choice for many OEM applications

Specifications

Brand

BSP Connection

  • G 1/4” Male
  • G 1/8” Male
  • 1/4” BSPT Male
  • 1/8” BSPT Male

NPT Connection

  • 1/4” NPT Male
  • 1/8” NPT Male

Cover Material

  • Glass Reinforced Polyester

Diaphragm Material

  • EPDM
  • Polyimide Film
  • Teflon

Materials of Construction

  • Brass - Base
  • Gold-Plated - Contact
  • Plastic - Base
  • Plated Steel - Base
  • Silver Alloy - Contact
  • Stainless Steel - Base

Set Point - Increasing

  • bar: 0.034 to 10.34
  • kPa: 3.4 to 1,034
  • psi: 0.5 to 150

Set Point - Decreasing

  • bar: 0.034 to 10.34
  • kPa: 3.4 to 1,034
  • psi: 0.5 to 150

Proof Pressure

  • psi: 500 (kPa: 3,447, bar: 35)

Operating Temperature

  • -40° to 120° C (-40° to 248° F)

Operating Pressure

  • psi: 150 (kPa: 1,034, bar: 10.34) - Max.
  • psi: 250 (kPa: 1,724, bar: 17.24) - Max.

Electrical Connectors

  • 1/4” Blade Terminal
  • 8-32 Screw Terminal
  • Wire Leads

Electrical Rating

  • 0.5 A at 240 Vac Inductive
  • 1 A at 120 Vac Inductive
  • 15 A at 6 Vdc Resistive
  • 4 A at 24 Vdc Resistive
  • 8 A at 12 Vdc Resistive

Adjustment Type

  • Factory Set (Pre-Set)

Applications

  • OEM Applications

System Pressure

  • bar: 34.5
  • kPa: 3,447
  • psi: 500

Burst Pressure

  • psi: 1,250 (kPa: 8,618, bar: 86.18) - for psi: 25 to 150 Set Point Range
  • psi: 750 (kPa: 5,171, bar: 51.71) - for 0.5 to 24 Set Point Range

Media

  • Air
  • Hydrocarbons
  • Jet Fuel
  • Motor Oil & Transmission Oil
  • Water

Switch Type

  • Blade Contact
  • Direction Action
  • SPDT
  • SPST

Approvals & Certifications

  • ISO 9001: 2000

Electrical Contacts

  • Normally Closed
  • Normally Open

  • OEM Applications

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