J120-553-M201UE防爆压力开关焦炉煤气专用开关（J120-553-M201 UE explosion-proof pressure switch special switch for coke oven gas ）

UE model parameters: J120-553 3.45-140KPa 34.5mbar-1.4bar Teflon wetted material fluorine rubber 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. Features of UE pressure switch: One, two or three switching outputs, which can be set separately within 100% of the set point . The epoxy resin shell design meets NEMA 4X requirements . A variety of diaphragms are available, such as 316SS , Brass, Buna and TEFLON Select reference scale or turn screw to adjust set point range Inches of water column range: -300" water column vacuum to 250" water column (-746.7 to 622.3 mbar) Pressure: 30" Hg to 6000psi Differential Pressure: 1" water column to 200 psid (0 to 13,8 bar) Temperature: -180 to 650°F (-115°C to 340°C) 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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