UE防爆开关J120-270铜波纹管（UE explosion-proof switch J120-270 copper bellows ）

UE explosion-proof switch J120-270 copper bellows  J120-270 4-200psi 0.3-13.8bar  wetted material: phosphor bronze bellows 1/4NPTF nickel-plated brass pressure process interface withstand pressure 17.2bar working limit pressure 13.8bar  explosion-proof pressure switch overview  The explosion-proof pressure switch uses a high-precision pressure sensor as a detection element, and uses a high-stable circuit to generate a switch signal to realize continuous pressure measurement and switch control. It has the advantages of high precision, small hysteresis, fast response, stable and reliable performance, small size, easy operation and simple and flexible installation. Explosion-proof pressure switches can provide different pressure, differential pressure, vacuum and temperature ranges, as well as different connection methods, various materials and pressure-sensitive element types. It is precisely because of this flexible choice that explosion-proof pressure switches can be Widely used in various places, such as chemical industry, petrochemical, oil refining, oil field, drilling platform, oil pipeline and pharmaceutical and other industrial processes. Technical parameters of explosion-proof pressure switch  1. Measuring medium: non-corrosive gas or liquid to nitrile rubber or 316L stainless steel  2. Housing: Die-cast aluminum, epoxy coated, cover with sealing gasket  3. Enclosure rating: meet NEMA 4X requirements  4. Set point accuracy: ±1%  5. Switching difference: divided into two types: adjustable and non-adjustable (refer to the selection table data)  6. Repeatability error: <1%  7. Pressure port: standard 1/2NPTF internal thread; can be customized according to site needs  8. Electrical interface: 1/2″NPTF threaded interface, can be customized according to site needs  9. Switch output: a single-pole double-throw (SPDT) output; it can be set separately within the adjustment range; the switch can be connected to "normally open" or "normally closed"  10. Ambient temperature: -40℃～+70℃  11. Ambient humidity: 5% to 95%  12. Service life: 100 0000 cycles  13. Measuring range: 0～0.01...60 Mpa  14. Pressure form: gauge pressure, absolute pressure  15. Output signal: (V) relay contact or switch signal with low level ≤ 0.5 and high level ≥ 4.5  16. Accuracy: 0.25%FS, 0.5%FS  17. Setting range: lower limit: 0 ~ upper limit setting low upper limit: lower limit setting value ~ upper limit setting value   

注：除UE防爆开关J120-270铜波纹管，更多United Electric(UE)型号欢迎电话或在线联系。

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