J120-552-M201UE防爆压力开关高炉煤气专用开关（J120-552-M201 UE explosion-proof pressure switch special switch for blast furnace gas ）

Product parameters: J120-552 -100-140KPa -1-1.4bar Teflon wetted material Viton O-ring pressure interface 1/4NPTF stainless steel electrical interface 3/4NPTF pressure 1.55MPa explosion-proof pressure switch working principle  explosion-proof pressure The switch uses a strong sealed shell to seal the wiring contacts in a solid space to achieve the flameproof effect. 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. Technical parameters: Storage temperature: -54～71℃ Ambient temperature: -40～71℃; or -18～71℃, the ambient temperature changes every 28℃. The typical drift of the set point does not exceed 1% Shock resistance: after 15G, 10 millisecond cycle test. The set point can be reproduced. Vibration resistance: After 2.5G, 5 ~ 500HZ vibration test, the set point can be reproduced. Switch output: a single-pole double-throw (SPDT) fast action switch. Can be connected as "normally open" type" or "normally closed type". Double Pole Double Throw (DPDT) optional on select models. Electrical Rating: 15 Amps. 125/250/480 VAC Electrical Rating: 15A, 125/250/480VAC Electrical Connection: 1/2" NPTF or 3/4 NPTF Pressure Connection port: 1/4"NPTF or 1/2NPTF or sanitary connectionDiaphragm material: welded 316L stainless steel diaphragm, nitrile rubber (Buna-N) diaphragm, fluororubber diaphragm, Hastelloy C diaphragm, manganese diaphragm, tantalum diaphragm, bronze bellows and other pressure interface materials: 316L Stainless Steel Aluminum Pressure Ports Nickel Plated Brass Pressure Ports Serial number-model set point adjustable range dead zone maximum overpressure range withstand pressure pressure port wetted material J120-152 0.1 to 3.4 bar 6.9 to 34.5 mbar 3.4 bar 5.2 bar 1/4" NPTF  Ni Plated Brass-Brass J120-172 0.1 to 3.4 bar 6.9 mbar to 0.1 bar 34.5 bar 68.9 bar 1/2" NPTF 316L st/st J120-184 0.1 to 3.4 bar 20.7 mbar to 0.2 bar 34.5 bar 68.9 bar 1/2" NPTF 316 st/st-316L st/st-Viton J120-484 0.1 to 3.4 bar 20.7 mbar to 0.2 bar 34.5 bar 68.9 bar 1/2" NPTF 316 st/st-316L st/st-Viton J120-S152B 0.1 to 3.4 bar 6.9 to 34.5 mbar 3.4 bar 5.2 bar 1/2" NPTF 316L st/st J120-156 0.1 to 6.9 bar 13.8 to 41.4 mbar 6.9 bar 8.6 bar 1/4" NPTF Ni Plated Brass-Brass J120-173 0.3 to 6.9 bar 6.9 mbar to 0.2 bar 34.5 bar 68.9 bar 1/2" NPTF 316L st/st J120-185 0.3 to 6.9 bar 34.5 mbar to 0.4 bar 34.5 bar 68.9 bar 1/2" NPTF 316 st/st-316L st/st-Viton J120-191 0.7 to 6.9 bar 0.1 to 0.6 bar 103.4 bar 172.4 bar 1/2" NPTF 316 st/st J120-356 1.0 to 6.9 bar 48.3 mbar to 0.1 bar 6.9 bar 55.2 bar 1/4" NPTF 316L st/st J120-485 0.3 to 6.9 bar 34.5 mbar to 0.4 bar 34.5 bar 68.9 bar 1/2" NPTF 316 st/st-316L st/st-Viton J120-491 0.7 to 6.9 bar 0.1 to 0.6 bar 103.4 bar 172.4 bar 1/2" NPTF 316 st/st J120-555 0.1 to 6.9 bar 13.8 to 27.6 mbar 6.9 bar 15.5 bar 1/4" NPTF 316L st/st-Teflon-Viton J120-566 0.7 to 6.9 bar 0.1 to 0.8 bar 68.9 bar 103.4 bar 1.5" Sanitary 316L st/st J120-702 0.2 to 6.9 bar 0.1 to 0.3 bar 34.5 bar 68.9 bar 1/4" NPTF Ni Plated Brass-Buna N-Buna N J120-S156B 0.1 to 6.9 bar 13.8 to 41.4 mbar 6.9 bar 8.6 bar 1/2" NPTF 316L st/st J120-15835 0.3 to 6.9 bar 0.2 to 0.6 bar (ADJ) 34.5 bar 68.9 bar 1/4" NPTF Ni Plated Brass-Buna N-Buna N J120-164 0.3 to 13.8 bar 13.8 mbar to 0.1 bar 13.8 bar 13.8 bar 1/4" NPTF Ni Plated Brass-Brass J120-174 0.6 to 13.8 bar 6.9 mbar to 0.2 bar 34.5 bar 68.9 bar 1/2" NPTF 316L st/st 

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