1975年，Knapp收购了Johnson Controls的流体部门，现在称为AIR- LOGIC。
AIR LOGIC的主营产品有止回阀，针阀，安全阀，过滤器，旋转接头，压力开关，真空开关，传感器，指示器，放大器，真空发生器及其他配件等等。
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Specifications
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Model
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F-5100
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Adjustment Range
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0.5 to 30 PSI
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Mounting Style
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Flush Mount
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Port Connection
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Barb for 1/16" I.D. Tubing
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Switch Selection
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15 AMP
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Features
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Adjustment Cap included to protect adjustment screw
Terminal Cap included to protect terminals
Laser Engraved date code
Subminiature Size
Made and tested in the USA
Presets available
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Materials
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Housing: Polysulfone
Diaphragm: Polyurethane
Spring: Stainless Steel or Music Wire
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Electrical Ratings
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UL, CSA
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1 /2A 125 Vdc1/4 A 250 Vdc; 5 A 125 Vac “L”15.1 A 1/2 HP 125 Vac, 250 Vac or 277 Vac
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ENEC
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N/A
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Additional Information
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L = Incandescent lamp rating
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AIR-LOGIC压力开关F-5100系列产品介绍
Standard pressure switch line with a variety of electrical ratings available. 15A and .1A are the most common versions and will typically have the shortest lead times. 15A is recommended for direct control of most current drawing devices. The .1A switch selection has gold plated contacts and is recommended for low amperage applications such as PLC and micro controlled interface. Other electrical options are available for specific application requirements.
Pressure switches apply signal pressure to a diaphragm that is opposed by a spring force. When then pressure signal force is greater than the spring force it reaches its set-point (also called “On” pressure), the internal mechanism moves and changes the electrical state.
When the switch trips, the normally open circuit closes and the normally closed circuit opens. The switch will remain in this state until the pressure signal drops below its reset point (also called “Off” pressure).
The difference between the “On” pressure and the “Off” pressure is defined as the Differential or Hysteresis of the switch. This is an important characteristic for applications such as pressure switch-controlled compressor systems. For instance, the consumption and capacity of the system along with the differential of the switch will determine how often the compressor runs.
标准压力开关系列提供多种电气额定值。15A和.1A是最常见的版本，通常交货时间最短。建议使用15A直接控制大多数电流绘图设备。.1A开关选择具有镀金触点，建议用于低电流应用，例如 PLC 和微控制接口。其他电气选项可用于特定应用要求。
压力开关将信号压力施加到由弹簧力抵抗的隔膜上。当压力信号力大于达到其设定点的弹簧力（也称为“开启”压力）时，内部机构移动并改变电气状态。
当开关跳闸时，常开电路闭合，常闭电路打开。开关将保持在此状态，直到压力信号降至其复位点以下（也称为“关闭”压力）。
“开”压力和“关”压力之间的差值定义为开关的差值或滞后。这是压力开关控制的压缩机系统等应用的一个重要特性。例如，系统的消耗和容量以及开关的差值将决定压缩机运行的频率。
AIR-LOGIC压力开关F-5100系列其他常用型号：
AIR-LOGIC F510030FM.1B
AIR-LOGIC F510030FM3A
AIR-LOGIC F510030FM5A
AIR-LOGIC F510030FM10A
AIR-LOGIC F510030FM
AIR-LOGIC F510030FM25A
AIR-LOGIC F510030FMB85.1B
AIR-LOGIC F510030FMB853A