product overview Product overview

The LPS-M1 series diaphragm pressure switch is made by secondary diaphragm oil filling treatment on the basis of the basic pressure switch. The material for the liquid receiving part can be selected according to the characteristics of the working medium, mainly to deal with complex working conditions such as corrosion of the medium, viscosity of the medium, easy crystallization, or blockage of the pressure hole by particles. The interior of the diaphragm is filled with inert oil for pressure guiding purposes. Corrosive materials only come into contact with the special material diaphragm, and the deformation of the diaphragm is transmitted to the sensor through the oil. It can perform alarm actions or chain control such as high alarm, low alarm, high high alarm, and low low alarm on the medium pressure. The set value is adjustable, no separate power supply is required, and the contact capacity is large, which greatly facilitates on-site application for users. It is widely used in various industries such as petroleum, chemical, metallurgy, power, sugar, and pharmaceuticals that require differential pressure control.

measuring principle principle

Diaphragm pressure switch is a mechanical pressure switch that uses the mechanical deformation of the diaphragm to achieve the function of controlling contact closure and disconnection. When the pressure of the measuring medium changes, the diaphragm will produce corresponding displacement. The displacement of the diaphragm is transmitted to the micro switch through the transmission component. When the displacement stroke reaches the set value, the micro switch will be pushed, causing the contacts of the micro switch to close or open as a state variable. Adjustable pressure switches can control pressure within a fixed value or range by adjusting the stroke relationship between transmission components and micro switch contacts, in order to achieve control objectives.

performance index TECHNICAL PARAMETERS

Measurement medium: gas or liquid (in highly corrosive environments, communication is required)
Measurement range: 0-40Mpa
Working viscosity: ≤ 10E3 m2/S
Shell material: die cast aluminum, epoxy resin coating, outer cover with sealing gasket
NEMA protection level: meets NEMA 4X requirements
Set value accuracy: ± 0.5%
Repeatability accuracy:<1%
Pressure interface: standard M20 * 1.5 external thread or flange; Special interfaces can be customized
Electrical interface: M20 * 1.5 internal thread; Special interfaces can be customized
Switch output: a single pole double throw (normally open+normally closed) output;
Switching element: Micro switch
Environmental temperature: -40 ℃ to+70 ℃
Environmental humidity: 5% to 95%
Cycle life: 1 million cycles
Protection level: IP67
Explosion proof rating: Exde IIC T6 Gb
Dust explosion-proof: ExtD A21 IP66 T80 ℃;
Contact capacity: Conventional type: 380V, 15A; Explosion proof type: 380VAC, 5A;

External dimensions APPEARANCE OF SIZE

The materials are being prepared ..

INSTALLATION REQUIREMENTS INSTALLATION

The materials are being prepared ..