Lefoo Pressure Switches LF20 Series

Name: Pressure Switches LF20 Series
Brand: LEFOO INDUSTRIAL CO.,LTD.
Rating: 4.8 (50 reviews)

Lefoo pressure switch LF20 series is factory set but capable of adjustable high pressure and low pressure settings.It features different diaphragms that meet various of fluid medias. Common Pressure range 0.5~24 PSI, and 25~150 PSI. For more selections of mechanical pressure switch, click here.

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Transmitter

Pump

Specification
Features
Application

Specification of Pressure Switch LF20

Model	LF20
Medium	Air,water,motor oils, transmission oils,jet fuel,other hydrocarbon media.
Factory Setting Pressure	0.5~150 psi
Maxium pressure	150psi or 250psi
Tollorant Pressure	500 psi
Bust Pressure	750 psi or 1250 psi
Temperature Range	-40 ℃ ~120℃
Switch type	Blade contact direct actions
Resistive Electric Rating	15Amp-6vDC, 8Amp-12vDC, 4Amp-24vDC
Inductive Electric Rating	1Amp-120vDC, 0.5Amp-240vDC
Contact Arrangement	(B)BSPST-NC, SPST-NO,SPDT-NO-C-NC,SPST-NO (adjustable),SPDT-NO-C-NC (adjustable)
Terminal	#8-32 screws,1/4" blade
Connection	1/8 -27NPT Male,1/4 NPT,R1/8,R1/4,G1/8,G1/4
Material	Silver alloy,gold plated,brass base, glass reinforced polymer cover,polymide diaphragm piece
Options	Plate steel, plastic base, 304/306 steel base, optional conector thread size
Options	wire leads(potted& sealed); Teflone / EPDM diaphragm
Unit Conversion	1kgf/cm² =14.2 psi, 1bar=14.5psi

How to Select

Pressure Set Range	Circuitry	Basic Material	Connection	Terminals	Cover
Factory Setting 10 PSI	(B)BSPST-NC SPST-NO SPDT-NO-C-NC SPST-NO (adjustable) SPDT-NO-C-NC (adjustable)	(C)Brass Plated steel	(D)1/8 NPT 1/4 NPT R1/8 R1/4 G1/8 G1/4	(E)1/4 blade #8-32 screws wire leads	None (F)Cover A Cover B Eco-Resin
0.5-1psi±0.3psi
1.1-3psi±0.5psi
3.1-7psi±0.1psi
(A)8psi~13psi±2psi
14-24psi±3psi
25~50psi±5psi
51-90psi±7psi
91-150psi±10psi

Example ABCDEF LF20/8psi~13psi±2psi/BSPST NC/Brass/1/8 NPT/1/4 blade/Cover A

Features of LEFOO Pressure Switch

Durable construction, compact size, and enhanced set point integrity.

Capable for a variety of fluids, and various terminations such as Metri-Pack connector.

capable for High-pressure Industries 100,000 to 200,000 times of using span

Application of LEFOO Pressure Switch

Like the other kind of Lefoo pressure switch, Pressure Switch LF20 has wide application.

Available for the application of pool, spa, anti-skid braking system, water pump system, dental equipment, air compressors, off-road equipment, other pressure control systems.

Also available for high-pressure industries.

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