J120-450-M201UE防爆真空开关（J120-450-M201 UE explosion-proof vacuum switch ）

J120-450-M201 UE explosion-proof vacuum switch Model: J120-450-M201  Range: 30"HgVac-3"HgVac -1-0.1bar   Wetted material: Nitrile rubber diaphragm and O-ring 1/4NPT inner wire aluminum Pressure port and cover dead zone/hysteresis: 0.1-0.3"Hg 3.4-10.2mbar Zui Maximum  pressure: 80"wc 199.1mbar Pressure resistance 225PSI/15.5bar Explosion-proof pressure switch technical parameters Measuring medium: nitrile rubber or 316L Stainless steel, non-corrosive to gases or liquidsHousing: Die-cast aluminum, epoxy coated, cover with gasketHousing rating: Meets NEMA 4X requirementsSet point accuracy: ±1%Switching differential: Adjustable and non-adjustable(refer to the selection table data)repeatability error: <1%Pressure interface: standard 1/2NPTF internal thread; according to site needs, special customelectrical interface: 3/4″NPTF thread interface, according to site needs, special Customizedswitch 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" Determine the product model  Step 1: Select the series  Refer to the "Series" section below  Depending on switching output, enclosure class  Adjustment method and reference scale type  Determine the switch series.  Selected serial number  Fill in the appropriate series section.  Step 2: Select the model Refer to "Model List"  According to the adjustable range, dead zone and withstand voltage, determine the model. Fill in the corresponding number in the model part  Step 3: Choose an option Refer to the "Options" section  Depending on the switch output, optional materials or other features Add an item to select an option.  Fill in the options section with the selected option number.  If there is no option, it can be omitted.  For multiple options, consult our company. 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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