J120-137UE防爆控制器UE参数规格（【J120-137】UEUE explosion-proof controller UEUE parameter specification ）

[ J120-137 ] UE explosion-proof controller UEUE parameter specification J120-137 parameter: 37.3-199.1mbar pressure resistance 0.3bar brass bellows measurement principle 1/4NPT inner wire process interface American UE switch protection standard NEMA protection level is American Electric Manufacturers Association Standard for Enclosure Protection in Industrial Control Gears and Systems. In addition to dustproof and waterproof, NEMA's protection standard also includes explosion-proof (IP code only includes dustproof and waterproof). NEMA 4X: (watertight, dusttight, corrosion-resistant, indoor or outdoor use enclosures): Intended for use indoors or outdoors, primarily to provide a degree of protection against corrosion, flying dust and rain, splashing water, hose-out water , and damage due to external icing. NEMA 4X is equivalent to IP66 What's the difference? NEMA 7X, NENA 9X (J120 series, for explosion-proof switches) J120-134 This series of UE pressure switches : explosion-proof, pressure-sensitive components and materials are brass bellows, 1/4NPTF nickel-plated brass pressure ports, of which J120-126 And J120-134 type with galvanized wetted spring, and is a vacuum / negative pressure switch. This series of pressure switches not only meets the application of pressure control in flammable and explosive dangerous places, but also is a series of economical UE explosion-proof pressure switches, which are widely used in power plants and chemical plants. U.S. UEEx-explosion-proof pressure switch inventory model J120-134 delivery physical map J120-520 J120-521 J120-522 J120-523 J120-616 J120-680 J120-701 J120-15835J120-524 J120-525 J120-530 J120-S126B J120-376 J120-270 J120-274 J120-612 J120-531 J120-532 J120-533 J120-534 J120-356 J120-358 J120-3161 J120-534 J120-356   J120-358 J120-3161 J120-534 -535 J120-560 J120-561 J120-S134B J120-144 J120-152 J120-156   J120-164 J120-562 J120-563 J120-564 J120-565 J120-126 J120-134 J120-137 J120- S1645-6 J120-567 J120-171 J120-S137B J120-491 J120-492 J120-493 J120-494 J120-172 J120-173 J120-174 J120-183 J120-193 J120-194 J120-490 J120-S156B J120-18B J120-183 185 J120-186 J120-S144B J120-489 J120-190 J120-191 J120-192 J120-485 J120-486 J120-488 J120-S152B J120-188   J120-189  J120-483 J120-484J120-702 J120-703 J120-704 J120-705 J120-552 J120-553 J120-554 J120-15839 J120-450 J120-451 J120-452 J120-15837 J120-453 J120-454 J120-550 J120-454 J120-550 J120 147  J120K-157 J120K-367 J120K-455 J120K-548 J120-555 J120K-S157B J120K-456 J120-15834 J120-15836 J120K-544 J120K-545 J120K-546 J120K-547 J120K-457 J120K-599 J120K-540 J120K -541 J120K-542 J120K-543 J120-15838 J120K-S147B J120K-36 J120K-37 J120K-38 J120K-39 J120-172 J120-S156B 

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