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Introduction

Principle & Structure

The built-in plunger is connected with the precision spring. When the pressure changes, the spring expansion and contraction will change accordingly. When the pressure reaches the set value, the preset mechanical structure will be triggered and a switch signal will be sent. The controller uses a leak-free piston sensor.

application

The gas-liquid dual-purpose type can be used for compressed air containing oil mist, other oil-containing mist gases and hydraulic oil that have no corrosive effect on pressure sensor materials, water-oil emulsions and neutral liquid media with good lubricating properties.

technical parameter


normal typeExplosion-proof
Working viscosity<1*10-3㎡/s<1*10-3㎡/s
switching elementMicro Switchsealed switch
Explosion-proof grade
ExedⅡCT4~T6
Enclosure ratingSlotted sealing ring IP54: O-ring type IP54 (DIN40050)Slotted sealing ring IP54: O-ring type IP54 (DIN40050)
ambient temperature-20℃~50℃﹣20℃~50℃
medium temperature0~120℃0~120℃
Installation location
pressure straight down
Seismic performance505/7D:40m/s2;505/7DK:20㎡/s2Max.20m/s2
repeatability error≤2.5%≤2.5%
Contact ratingAC220V, 6A (resistive)DC250V, 0.25 (resistive), 60Wmax
AC250V, 5A (resistive), 1250VAmax

Selection table

KBP50-Membrane/Plunger Pressure Switches

Adjustable range (unit: Mpa)

Adjustable range: 0.3…4

Adjustable range: 0.5…6.3

Adjustable range: 0.5…10

Adjustable range: 0.5…16

Adjustable range: 1…23

Adjustable range: 1…40

Explosion-proof grade

No explosion-proof grade

Explosion-proof grade: ExedⅡCT4

Explosion-proof grade: ExedⅡCT6

material

brass material

Stainless steel 1.4301 (304)

Interface thread

Interface thread: M20*1.5

Customized special thread

Interface thread

Interface thread: external thread
The complete data of this selection table, please contact the sales staff or email to sales@kewill-auto.cn for complete samples.
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Next:KFP31 Series Membrane/Plunger Pressure Switch
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