UE防爆开关H122H121系列（US UE explosion-proof pressure switch H122 H121 series ）

US UE explosion-proof pressure switch H122 H121 series UE pressure switch classification The main categories of pressure switches include normally open and normally closed. The main features are:1. It adopts the British pipe thread quick connector or copper pipe welding installation structure, which is flexible in installation, easy to use, and does not need special installation and fixing. 2. The plug-in wire connection can be selected by the user at will. 3. The sealed stainless steel sensor is safe and reliable. 4. Within the pressure range, it can be manufactured according to the pressure value arbitrarily selected by the user. Explosion-proof pressure switch performance options European ATEX intrinsically safe standardRemote temperature switch can choose 50 feet long copper or stainless steel capillary and armored protective cableA variety of switch output options include manual reset, adjustable dead Zone, DPDT·Red markers show current switch as set state Applications·Multi-point switching output for alarm and shutdown or pre-alarm and alarm·High/low limit control or level control·Water treatment and filtration system·IndustrialIdeal protection for pump systems and compressors and many other industrial processes and equipment UEswitch option M201 Factory setting, need to specify the rise or fall settingM277 Use kPa or MPa as the pressure range unit on the nameplate, factory choice . Not applicable to temperature switchM278, with kg/cm2 as the pressure unit on the nameplate, not applicable to temperature switchM405 Conforms to European ATEX intrinsic safety standardM406 Conforms to Russian Gosgortechnadzor flameproof intrinsic safety standardM421 Flameproof junction box, only suitable for Russian flameproof standard M423 Flameproof junction box according to ATEX M430 Cover lock M444 Paper tag M446 Stainless steel tag M460 External earthing screw; for non-metallic piping systems (ATEX installations) M480 Differential pressure switch K Type, 316 stainless steel pressure port, sensor material cannot be changed. M511 1/4" NPT male connection for sensor sizes 3, 4, 5, 6 and 8 M513 UL/CSA listed, explosion proof junction box, pre-wired (NEMA4 compliant). Not ATEX compliant. M515 DIN connector -4 Terminals; DIN 43650 Form A, (not suitable for Zone 1 & 2 or ATEX). Not suitable for use with DPDT or metric electrical thread connections. M521 LF4 Medium pressure 1/4” NPT female connection; available sensor types P4 and P9 M522 LM4 Medium pressure 1 / 4” NPT male port; available sensor types P4 and P9 M523 LF6 Medium pressure 3 / 8” NPT female port; available sensor types P4 and P9 M524 LM6 Medium pressure 3 / 8” NPT Male port; available sensor types P4 and P9 M525 HF4 high pressure 1/4” NPT female port; available sensor types P4 and P9 M526 HM4 high pressure 1/4” NPT male port; available sensor types P4 and P9 M527 HF6 high pressure3 / 8” NPT female interface); available sensor types P4 and P9M528 HM6 High pressure 3/8” NPT male port; available sensor types P4 and P9 M540 Viton (dead band and low pressure range will increase slightly): for sensor type K, sensor type 8, sensor P type M541 Ethylene Propylene Rubber (EPDM) O-rings are suitable for sensor types 5, 6 and PM550 Oxygen cleaning, internal construction and materials may vary (applicable when Viton diaphragm and/or O-rings are included). Not available for sensor types 3, 4 and 8 M924 7/16-20 SAE (female) stainless steel pressure connection. Suitable for sensor number 6 NC1 NACE certificate, not suitable for temperature sensor and K type sensor

注：除UE防爆开关H122H121系列，更多United Electric(UE)型号欢迎电话或在线联系。

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