美国UE防爆真空开关压力开关J120-520J120-520J120（US UE explosion-proof vacuum switch pressure switch J120-520 J120-520 J120 ）

American UE explosion-proof vacuum switch pressure switch J120 series vacuum switch can provide different pressure, differential pressure, vacuum and temperature ranges, and can also provide different connection methods, various materials and pressure-sensitive element types, precisely because of this flexibility The 120 series vacuum switch 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. Main features: .The vacuum switch has cULus, ATEX & SAA certification, and meets CE and NACE standards at the same time; .The vacuum switch has internal adjustment with reference scale and external adjustment with anti-misoperation cover; .The vacuum switch is single point and double point Output; For strong corrosion places, materials such as Hastelloy, Monel and tantalum can be selected; The sensor element of the sanitary level is installed on a plane; The flange of the vacuum switch conforming to ANSI standard can be selected from Hastelloy, Monel and tantalum ; .Optional differential pressure switch with indication; Technical parameters: .Storage temperature: -54 to 71 degrees; .Ambient temperature: -50 to 71 degrees; -705 type: -17 to 71 degrees; 820E type, 822E type: -40 to 71 degrees ambient temperature every 28 degrees, the typical drift value of the set point is less than 1% of the full range E121 and E122 type, the drift value is less than 2% ; . Set point repeatability: temperature switch: ±1% of the adjustable range; pressure switch: 50-55, S50B-S55B, 126-164, S126B-S164B, 171-174, 270-274, 358- 376, 520-535, 560-564, 701-705 and other models are plus or minus 1% of the adjustable range; 450-559 models are plus or minus 0.5% of the adjustable range; 36-39, 183-194, 483-494 , 565-567, 612-680 and other models are plus or minus 1.5% of the adjustable range;.Shock-resistant and anti-vibration shell: after 10 milliseconds, 15G shock test, the set point can be reproduced; after 2.5G, 5-500HZ vibration test, the set point can be reproduced; aluminum alloy die-casting shell; epoxy resin Coated; gasket sealed; front-marked J, G, F switches have internal set point locking; front-marked B, H, E models have an airtight aluminum dial case cover for tamper proof operation; aluminum Alloy nameplate; .Enclosure rating: NEMA 4x;7;9;Ip66,820E,822E plus M300 can meet NEMA 4x standard; .Switch output: one or two single-pole double-twist output; double switch can be 100% within the adjustment range Set separately; the switch can be connected as "normally open" or "normally closed"; .Electrical rating: 15A, 125/250/480VAC, H122P is 11A 125/250VAC, B121-13272, B122-13322, E121- 13273, E122-13321 is 22A; .Reference scale: 480VAC; .Weight : B, E and H type: external reference scale; J type: internal reference scale; .Electrical interface: 3-8 pounds; (depending on the model) ; . Pressure port: H, B, E type has a 3/4” NPT; J, C, F, 820E, 822E type has two 3/4” NPT; standard terminal block; S126B-S164B, 171-194, The interface of 483-494, 520-535 and other models is 1/2" NPTF; 560-564 is a 2-inch disc sanitary connection; 565-567;(Responsible editor: )

注：除美国UE防爆真空开关压力开关J120-520J120-520J120，更多United Electric(UE)型号欢迎电话或在线联系。

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