孔板限流器——类型和应用（中英文）

节流孔可用于调节空气、气体或液体流量，广泛应用于启动控制系统，咖啡机等各种应用。它们采用精密孔径设计和制造，用于降低压力和控制流量。节流孔可作为独立装置，也可作为组件、套件、节流器或节流阀使用。

了解更多关于不同类型的节流孔、其制造材质以及其适用的行业和应用。

Orifice restrictors regulate the flow of air, gases, or liquids in a variety of applications, from pneumatic control systems to coffeemakers. They are designed and manufactured with precision holes to reduce pressure and control flow. Orifice restrictors are available as individual devices or in assemblies, kits, restrictors, or restrictor valves.

Learn more about the different types of orifice restrictors, the materials they are made from, and the industries and applications where they are used.

排放到大气中的黑色节流孔可控制电路中的泄漏率。

Black orifice restrictor vented to the atmosphere provides a controlled leak rate in the circuit.

节流孔类型

Types of Orifice Restrictors

Air Logic 提供以下类型的节流孔：

模压节流孔：这是受欢迎的设计。模压节流孔是实现流量控制的最简单方法，不同直径尺寸采用颜色编码。

节流孔插件：模压节流孔的子集，最小尺寸选项，无需管道，可推入组件。

过滤节流孔：这些类型的节流孔用于减少上游污染。精密模压节流孔中集成的不锈钢过滤器可根据特殊应用进行定制。

螺纹节流孔：这些节流孔配有螺纹接头，可轻松安装到管道中。它们采用聚砜材质制成，可定制。

定向流量控制：这些节流孔使用圆盘限制物料在一个方向上的流动，同时允许物料在另一个方向上流动。流量会根据流动方向自动调整。

Air Logic offers orifice restrictors:

Molded orifices: These are our most popular designs. Molded orifices are the simplest way to provide flow control, and the different diameter sizes are color-coded.

Orifice Inserts: Subset of molded orifices, smallest option, no tubing required, push into an assembly

Filter orifices: These types of orifices are used to reduce upstream contamination. The integrated stainless steel filter in the precision-molded orifice can be customized for specialized applications.

Threaded orifices: With threaded fittings, these orifices can be easily installed into the pipeline. They are available in polysulfone material and can be customized.

Directional flow controls: These orifices use disks to restrict the flow of material in one direction and allow flow in the other. The flow adjusts automatically depending on the direction of the flow.

孔板限流器应用

Orifice Restrictor Applications

孔板限流器是众多应用中的关键设备。

Orifice restrictors are crucial devices in numerous applications. Find out more about them below.

医疗

Medical

节流孔在许多医疗设备中发挥着重要作用。这些孔口需要提供高可靠性并符合卫生标准。使用节流孔的常见设备和装置包括：

镇痛设备：该设备用于施用轻度吸入麻醉剂以达到镇静效果。它依靠节流孔进行适当的流量管理。

麻醉机：麻醉机使用卫生级节流孔来控制流量。

诊断设备：当诊断设备需要调节液体或气体流量时，会使用节流孔。

环境控制：医学实验室需要严格的环境控制，以最大限度地降低污染风险。某些控制空气变量的设备依赖于节流孔。

牙科设备：在输送一氧化二氮时，牙科设备使用节流孔来控制流速。

气体控制系统：从氧气呼吸器到氮气驱动的手术器械，医疗行业高度依赖气体控制系统。节流孔板能够有效控制气体流量和压力。

轮床和病床：先进的轮床和病床均配备节流孔板来控制气流。

液压气动控制系统：从研究实验室到制药厂，液压气动控制系统遍布医疗行业的各个角落。这些系统依靠节流孔板来调节不同介质的流量。

Orifice restrictors play an important role in many medical devices. These orifices need to provide high levels of reliability and meet hygienic standards. Common devices and equipment that use orifice restrictors include:

Analgesia equipment: This device administers a mild inhalation anesthetic for sedation. It relies on orifice restrictors for proper flow management.

Anesthesia machines: Anesthesia machines use sanitary orifice restrictors to control flow.

Diagnostic equipment: When diagnostic equipment needs to regulate the flow of a liquid or gas, an orifice restrictor is used.

Environmental controls: Medical laboratories demand strict environmental controls to minimize the risk of contamination. Certain pieces of equipment that control air variables depend on orifice restrictors.

Dental equipment: When administrating nitrous oxide, dental equipment uses orifice restrictors to control the rate of flow.

Gas control systems: From oxygen respirators to nitrogen-powered surgical tools, the medical industry relies heavily on gas control systems. Orifice restrictors properly manage gas flows and pressures.

Gurneys & hospital beds: State-of-the-art gurneys and hospital beds have orifice restrictors to control airflow.

Hydraulic pneumatic control systems: From research labs to pharmaceutical manufacturing, hydraulic pneumatic control systems are found throughout the medical industry. These systems depend on orifice restrictors to regulate flows of different media.

消费品

Consumer Products

如果消费品需要液体或气体的流动，其组件中很可能会安装节流孔。从咖啡机到CBD/THC蒸馏产品，从化学清洁产品到臭氧清洁剂，普通美国家庭都配备了节流孔。虽然许多消费品使用节流孔来控制流量和压降，但它们也有助于防止气蚀并降低噪音。

If a consumer product requires the flow of liquid or gas, there is a reasonable chance that an orifice restrictor can be found in its components. From coffeemakers to CBD/THC distillation products to chemical cleaning products to ozone cleaners, the average American household is full of orifice restrictors. While many consumer products use orifice restrictors to manage flow rates and pressure drops, they can also help prevent cavitation and reduce noise levels.

生命科学

Life Science

生命科学行业中有很多依赖节流孔的机械设备。与医疗行业类似，生命科学行业也需要高标准的卫生条件。使用节流孔的常见设备包括：

分析仪器：需要调节气体或液体流量和压力的分析仪器会配备节流孔。

生物反应器：生物反应器的应用范围广泛，包括食品、饲料、药品和化学品加工。所有这些应用都需要不同程度地控制压力和流量，因此需要使用节流孔。

气体检测：气体检测系统需要空气能够顺畅流动，而不会引起与压力或空化相关的问题。许多气体检测设备都配备节流孔，以确保其功能性和使用寿命。

流式细胞术：流式细胞术是一项复杂的技术，可对单个细胞进行多参数分析。除了使用激光器和策略性光源外，该技术还依靠节流孔来控制培养基的流动。

发光免疫分析仪：该设备用于检测样本中特定物质的存在和浓度。常用的介质包括血液或尿液。为了控制介质流量并调节压力，该设备使用节流孔。

电泳：电泳是一种常用的技术，用于根据RNA、DNA或蛋白质分子的电荷和大小进行分离。这是通过使分子穿过凝胶或其他类型的基质来实现的。许多电泳仪使用节流孔来控制所用介质的流量和压力。

The life science industry is full of machinery and equipment that depend on orifice restrictors. Much like the medical industry, high levels of sanitation are required. Common devices that utilize orifice restrictors include:

Analytical machines: Analytical machines that need to regulate the flow and pressure of gas or liquids incorporate orifice restrictors.

Bioreactors: Bioreactors are used in countless applications, including processing food, feed, pharmaceuticals, and chemicals. All of these will need to control pressure and flow to varying degrees, so they use orifice restrictors.

Gas detection: Gas detection systems need air to easily flow without causing problems related to pressure or cavitation. Many gas detection devices incorporate orifice restrictors for adequate functionality and longevity.

Flow cytometry: Flow cytometry is a sophisticated technique that provides a multi-parametric analysis of individual cells. In addition to using lasers and strategic light sources, this technology relies on orifice restrictors to control the flow of media.

Luminescence immunoassay analyzer: This device is used to detect the presence and concentration of specific substances in a sample. Common media include blood or urine. To control the flow of the medium and regulate pressure, this machinery uses orifice restrictors.

Electrophoresis: Electrophoresis is a common technique used to separate RNA, DNA, or protein molecules based on their electrical charge and size. This is achieved by moving the molecules through a gel or other type of matrix. Many electrophoresis machines use orifice restrictors to manage the flows and pressures of used media.

流量测量

Flow Measurement

节流孔可实现压力管理和流量测量。这利用了伯努利原理：障碍物（节流孔）下游的压力低于其上游的压力。通过合理的工程设计和制造，节流孔可用于实现可靠的流量测量。

Orifice restrictor plates accomplish pressure management and flow measurement. This is done by utilizing the Bernoulli principle: the pressure downstream of an obstruction (the orifice restrictor) is lower than the pressure upstream of the obstruction. With the proper engineering and design, an orifice restrictor can be used to create reliable flow measurements.

喷墨打印

Inkjet Printing

喷墨打印依赖于墨水的可控流动。先进的喷墨打印机可能会使用其他材质，例如搪瓷和其他涂层。无论喷墨打印机的复杂程度如何，都很有可能使用节流孔。

Inkjet printing relies on the controlled flow of ink. Sophisticated inkjet printers may apply additional materials such as enamel and other coatings. No matter the complexity of the inkjet printer, there is a good chance that it uses an orifice restrictor.

喷嘴

Nozzles

喷嘴使用节流孔来调节压力和体积流量，以满足规格要求。

Nozzles use orifice restrictors to regulate both pressure and volumetric flow to meet specifications.

气动控制

Pneumatic Controls

与电子控制不同，气动控制系统利用压缩空气。压缩空气系统可以发送和接收信号来控制整个系统。节流孔是其关键部件。

Unlike electronic controls, pneumatic control systems utilize compressed air. The compressed air system can send and receive signals to control an overall system. Orifice restrictors are a key component.

粒子计数器

Particle Counting Devices

粒子计数器是至关重要的安全设备，广泛应用于洁净室和其他敏感的制造环境。它用于检测室内空气中的污染物和其他潜在有害颗粒。由于该设备依赖于空气的流动和运动，因此节流孔是其设计中至关重要的一部分。

Particle counters are critical safety devices that are used in numerous applications, such as cleanrooms and other sensitive manufacturing environments. They test the room air for contaminants and other potentially harmful particles. As the device relies on the movement and flow of air, orifice restrictors are a crucial part of their design.

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