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The LF08 switches are fixed set point, factory calibrated pressure switches. It is automatic reset, and can be Normally open or normally close contacts. All metallic wetted components make the LF08 switch compatible with a multitude of chemicals in liquid or gas form. It is offered numerous types of electrical terminations from different size and style push on terminals to wire leads with an array of standard industry connectors. In-house machining capabilities allows Lefoo pressure switch manufacturer to offer a wide variety of pressure fitting from different thread types and sizes to units with internal deflator and cupper tubbing for sawing operations. For more selections of mechanical pressure switch, click here.
| Model | LF08 | ||
| Media | Air,Water,motor lils,transmission oils, Hydrocarbon Media, Refrigeration fluid | ||
| Pressure Range/ Tolerance/ Proof Pressure | Action pressure | Tolerance | Proof Pressure |
| 0.2~ 6bar(low pressure) | +0.5bar | 15bar | |
| 6~ 10bar | +0.7bar | 35bar | |
| 11 ~ 20bar | +1bar | 45bar | |
| 21 ~ 30bar | +1.5bar | ||
| 31 ~ 45bar | +1.5bar | ||
| Burst Pressure | 5000psi | ||
| Operating Temperature Range | Environment temperature:low pressure:-30~ 65C ,High pressure:-35~120C; Medium temperature:-50~ 120 C | ||
| Switch Type | SPST(NC OR NO);SPDT | ||
| Electric Rating | 120Vac 6FLA,40.2LRA; 240Vac 4FLA,26LRA; 120/240Vac 375VA;36Vdc 3A | ||
| Endurance | 100000 | ||
| Connection | Please see the selection table (customizable) | ||
| Electrical connections | 6.35*0.8;4.8*0.8 ; Wire connection (can be customized length and electrical plug) | ||
Conversion:1bar=14.5psi 1MPa=10bar
| Range | Circuitry | Basic Material | Connection | Electrical connections |
| High Pressure Threshold 175 PSI Low pressure reposition 145 PSI Selectable Pressure Range 0.2~45 Bar | ASPST-NC SPST-NO SPDT | Brass Plated steel | 1/8 NPT | 6.35x0.8 4.8x0.8 18AWG Wire Harness |
| 1/4 NPT | ||||
| R1/8 | ||||
| R1/4 | ||||
| G1/8 | ||||
| G1/4 | ||||
| 1/4 Copper Tube | ||||
| 7/16 UNF External Thread | ||||
| 7/16 UNF Internal Thread | ||||
| 7/16 UNF Internal Thread+valve Spool | ||||
| 11~20 Bar | SPST-NO | Brass | 1/4 Copper Tube | 4.8x0.8 |
Example LF08/11~20 Bar/ SPST-NO/ Brass/ 1/4 Copper Tube/4.8x0.8
Robust metal and spring structure automatic reset.
compatible with a multitude of chemicals in liquid or gas form.
High standard mechanical calibration
Capalable to wire leads with an array of standard industry connectors
Adjuatable and accurate pressure setting
Durable diaphragm and electric bridge
Automatic mechanical control for Water tower,Water Pump, copper tubing, sawing applications
Typical application: Air conditioning units (residential, commercial and automotive)
Refrigeration
CO2 Air conditioning, CO2 Refrigeration
Heat Pumps
High pressure cut off ,Low pressure cut off
Air brakes (trucks and commercial equipment)
Fuel pressure monitoring
Engine controls
Agricultural equipment
Industrial controls
Marine engine / equipment.
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