J120-376-M201美国UE原装不锈钢防爆压力开关（J120-376-M201 American UE original stainless steel explosion-proof pressure switch ）

Working principle of explosion-proof pressure switch  The explosion-proof pressure switch achieves the explosion-proof effect by sealing the wiring contacts in a solid space through a strong sealed shell.  The working principle of the explosion-proof pressure switch is that the pure mechanical deformation causes the action of the micro switch. When the pressure increases, the different sensing pressure components (diaphragm, bellows, piston) will be deformed and will move upward, and finally activate the micro switch on the upper end through the mechanical structure such as the railing spring to output the electrical signal. The setting method is further divided into continuous displacement type and force balance type from the functional principle. Explosion-proof pressure switches can be divided into mechanical explosion-proof pressure switches and electronic explosion-proof pressure switches according to the principle, and mechanical types are divided into ordinary and sealed types.  UE J120-376 is an explosion-proof pressure switch, the explosion-proof grade is Exib II CT6, the protection grade is IP66, and the wetted material is 316 stainless steel. Certificate of origin, customs declaration documents, explosion-proof certificate and SIL2 certification can be provided.   SPDT (Single Pole Double Throw): Consists of a normally open, a normally closed contact and a common terminal. DPDT (Double Pole Double Throw): It consists of a symmetrical left and right common terminal, and two sets of normally open and normally closed terminals. Upper limit one contact (normally open): When the pressure rises to the set value, the contact will act and the circuit will be turned on. Lower limit one contact (normally closed): When the pressure drops to the set value, the contact will act and the circuit will be turned on.  Technical parameters of explosion-proof pressure switch  Measuring medium: non-corrosive gas or liquid to nitrile rubber or 316L stainless steel  Housing: die-cast aluminum, epoxy resin coating, outer cover with sealing gasket  Housing rating: meets NEMA 4X requirements  Set point Accuracy: ±1%  Switching difference: divided into two types: adjustable and non-adjustable (refer to the data in the selection table)  Repeatability error: <1%  Pressure interface: standard 1/2NPTF internal thread; special  electrical interface can be customized according to site needs : 3/4″NPTF threaded interface, can be customized according to the needs of the site.  Switch output: a single-pole double-throw (SPDT) output; 100% can be set separately within the adjustment range; the switch can be connected to "normally open" or "Normally Closed" Serial number-model set point adjustable range dead zone maximum overpressure range withstand pressure pressure port wetted material J120-186 0.6 to 13.8 bar 0.1 to 0.8 bar 34.5 bar 68.9 bar 1/2" NPTF 316 st/st-316L st/st-Viton J120-270 0.3 to 13.8 bar 0.1 to 0.3 bar 13.8 bar 17.2 bar 1/4" NPTF Ni Plated Brass-Ph Bronze J120-358 1.0 to 13.8 bar 0.1 to 0.2 bar 13.8 bar 55.2 bar 1/4" NPTF 316L st/st J120-486 0.6 to 13.8 bar 0.1 to 0.8 bar 34.5 bar 68.9 bar 1/2" NPTF 316 st/st-316L st/st-Viton J120-S164B 0.3 to 13.8 bar 13.8 mbar to 0.1 bar 13.8 bar 13.8 bar 1/2" NPTF 316L st/st J120-15622 1.4 to 13.8 bar 0.8 to 1.8 bar 34.5 bar 68.9 bar 1/4" NPTF 316 st/st-Viton-Viton J120-192 1.0 to 20.7 bar 0.2 to 1.2 bar 103.4 bar 172.4 bar 1/2" NPTF 316 st/st J120-274 0.4 to 20.7 bar 0.1 to 0.3 bar 20.7 bar 24.1 bar 1/4" NPTF Ni Plated Brass-Ph Bronze J120-361 1.4 to 20.7 bar 0.1 to 0.3 bar 20.7 bar 55.2 bar 1/4" NPTF 316L st/st J120-492 1.0 to 20.7 bar 0.2 to 1.2 bar 103.4 bar 172.4 bar 1/2" NPTF 316 st/st J120-567 1.0 to 20.7 bar 0.2 to 1.5 bar 68.9 bar 103.4 bar 1.5" Sanitary 316L st/st J120-703 0.6 to 20.7 bar 0.1 to 0.3 bar 34.5 bar 68.9 bar 1/4" NPTF Ni Plated Brass-Buna N-Buna N J120-15836 0.6 to 20.7 bar 0.3 to 1.1 bar (ADJ) 34.5 bar 68.9 bar 1/4" NPTF Ni Plated Brass-Buna N-Buna N J120-193 1.4 to 34.5 bar 0.3 to 2.1 bar 103.4 bar 172.4 bar 1/2" NPTF 316 st/st J120-376 1.7 to 34.5 bar 0.1 to 0.3 bar 34.5 bar 55.2 bar 1/4" NPTF 316L st/st J120-493 1.4 to 34.5 bar 0.3 to 2.1 bar 103.4 bar 172.4 bar 1/2" NPTF 316 st/st J120-704 1.0 to 34.5 bar 0.1 to 0.6 bar 103.4 bar 172.4 bar 1/4" NPTF Ni Plated Brass-Buna N-Buna N J120-15837 1.0 to 34.5 bar 0.6 to 2.1 bar (ADJ) 103.4 bar 172.4 bar 1/4" NPTF Copper Plated Brass-Copper N-Copper N. J120-188 3.4 to 68.9 bar 1.7 to 8.6 bar 137.9 bar 482.6 bar 1/2" NPTF 316L st/st-316L st/st-Viton 

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