美国UE进口压力继电器J400-137J402-137J403-137（US UE imported pressure relay J400-137 J402-137 J403-137 ）

U.S. UE imported pressure relay J 400-137 J402-137 J403-137 working principle The working principle of the pressure switch: when the pressure in the system is higher or lower than the rated safety pressure, the disc in the sensor moves instantaneously, through the connection The guide rod pushes the switch joint to connect or disconnect. When the pressure drops or rises to the rated recovery value, the disc resets instantaneously and the switch automatically resets. Displacement is generated at the terminal, and the switching element is pushed directly or after comparison to change the on-off state of the switching element to achieve the purpose of controlling the measured pressure. The elastic components used in the pressure switch include single coil spring tube, diaphragm, bellows and so on. J400-137 Wetted brass bellows Pressure port 1/4NPT inner wire nickel-plated brass Action value range 0-19.9KPa Maximum working pressure 0.02MPa J402-137 2*SPDT Wetted brass bellows Pressure port 1/ 4NPT inner wire nickel-plated brass action value range 0-19.9KPa maximum working pressure 0.02MPa J402-137 3*SPDT wetted material brass bellows pressure port 1/4NPT inner wire nickel-plated brass action value range 0-19.9KPa Maximum working pressure 0.02MPa Commonly used models of UE J400 series mechanical pressure switches: Main models and characteristics of J400 series J400 type, single output, internally adjustable J402 type, dual output, internally adjustable Adjustment 400 series pressure switch commonly used models J400-440 J400-441 J400-442 J400-443 J400-444 J400-454 J400-456 J400-457 J400-458 J400-459J400-450 J400-451 J400-452 J400-453 J400-454 J400-S126B/S134B/S137B/S144B/S152B/S156B/S164B J400-126/134/137/144/152/156/164 J400-610 /614 J400-270/274 J402-S126B/S134B/S137B/S144B/S152B/S156B/S164B J402-126/134/137/144/152/156/164 J402-610/16014/614 J402-270/274 J4 -520/521//522/523/524/525 J402-530/531/532/533/534/535 J402-550/551/552/553/554/555 J403-S126B/S134B/S137B/S144B/S152B /S156B/S164B J403-126/134/137/144/152/156/164 J400-S126B/S134B/S137B/S144B/S152B/S156B/S164B J400-358/361/376/126/134/137/144/ 152/156/164/270/274 J400-440/442/443/448/450/452/453/454 J402-S126B/S134B/S144B/S152B/S156B/S164BJ402-358/361/376/126/134/144/152/156/164 J400-440/442/443/448/450/452/453/454 

注：除美国UE进口压力继电器J400-137J402-137J403-137，更多United Electric(UE)型号欢迎电话或在线联系。

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