J41W不锈钢法兰截止阀的阀杆轴线与阀座密封面垂直。阀杆开启或关闭行程相对较短，并具有非常稳定的切断动作，使得这种阀门非常适合作为介质的切断或调节及节流使用。

特点:

      (1)结构比闸阀简单，制造与维修都较方便。
      (2)密封面不易磨损及擦伤，密封性好，启闭时阀瓣与阀体密封面之间无相对滑动，因而磨损与擦伤均不严重，密封性能好，使用寿命长。
      (3)启闭时，阀瓣行程小，因而截止阀高度比闸阀小，但结构长度比闸阀长。
      (4)启闭力矩大、启闭较费力，启闭时间校长。
      (5)流体阻力大，因阀体内介质通道较曲折，流体阻力大，动力消耗大。
      (6)介质流动方向 公称压力PN≤16MPa时，一般采用顺流，介质从阀瓣下方向上流；公称压力PN≥20MPa时，一般采用逆流，介质从阀瓣上方向下流．以增加密封件能。使用时，截止阀介质只能单方向流动，不能改变流动方向。
      (7)全开时阀瓣经常受冲蚀。

J41W不锈钢法兰截止阀设计与制造标准:

  1、设计制造按GB12235-89
  2、结构长度按GB12221-89
  3、法兰尺寸按JB/G79-94
  4、阀门检查和试验按GB13927

J41W不锈钢法兰截止阀性能规范:

J41W不锈钢法兰截止阀主要零件材质:

J41W不锈钢法兰截止阀1.6MPa主要连接尺寸及重量:

J41W不锈钢法兰截止阀2.5MPa主要连接尺寸及重量:

J41W不锈钢法兰截止阀4.0MPa主要连接尺寸及重量:

不锈钢法兰截止阀

不锈钢法兰截止阀是一种阀体主要材质为不锈钢，端部连接采用法兰式的截止阀。它结合了不锈钢耐腐蚀性能和法兰连接的坚固稳定靠、易于拆装的特点，是适用于腐蚀性介质、洁净介质及多种工业工况的通用型切断阀门。

不锈钢法兰截止阀其核心设计特点和关键技术包括：

不锈钢材质 (Stainless Steel Material): 主要承压部件（如阀体、阀盖、阀瓣）采用不锈钢制造，常见牌号有304 (CF8)、316 (CF8M)、316L (CF3M) 等。不锈钢材质提供了出色的耐腐蚀性、耐锈蚀性和清洁性，能够处理水、蒸汽、酸、碱、盐溶液等多种腐蚀性介质，同时满足食品、医药等行业的卫生要求。

不锈钢法兰截止阀法兰端连接 (Flanged End Connection): 阀体两端带有符合标准（如GB、HG、ASME B16.5）的法兰。通过螺栓与管道法兰连接，实现了结构坚固、密封稳定、可承受较高压力的连接。这种连接方式便于阀门的安装、维护和拆卸，是工业管道中常见的连接形式之一。

不锈钢法兰截止阀稳定的密封性能: 阀瓣与阀座通常采用不锈钢本体密封或堆焊硬质合金。其结构设计确保了阀门能够实现严密的关闭和较低的泄漏率，提供稳定的切断功能。波纹管密封设计可选，用于实现阀杆部位的零外泄漏，适用于苛刻或有毒介质。

不锈钢法兰截止阀广泛的适用性: 不锈钢材质和法兰连接使其兼具耐腐蚀性与结构强度，适用压力等级范围广（如PN10/16/25/40, Class150/300），温度范围宽。可根据工况需求选择不同的不锈钢牌号和密封材料。

不锈钢法兰截止阀应用领域:

广泛应用于石油化工、制药、食品饮料、水处理、船舶、造纸、电力等行业，用于输送腐蚀性介质、清洁介质或要求一定卫生等级的工艺管道系统。

不锈钢法兰截止阀核心价值:

在腐蚀性环境或洁净流程中，提供了耐腐蚀、防锈、易于维护且密封稳定的流体切断解决方案，是工业管道系统中兼顾经济性与实用性的主流选择。

Product Name: Stainless Steel Flanged Globe Valve

Product Overview:

The Stainless Steel Flanged Globe Valve is a type of globe valve whose primary body material is stainless steel  features flanged end connections. It combines the excellent corrosion resistance of stainless steel with the robust reliability  ease of installation/removal of flanged joints. It is a versatile shut-off valve suitable for corrosive media, clean media,  a wide range of industrial applications.

Its core design features  key technologies include:

Stainless Steel Material: The main pressure-containing components (e.g., body, bonnet, disc) are manufactured  stainless steel. Common grades include 304 (CF8), 316 (CF8M), 316L (CF3M), etc. Stainless steel provides outstanding corrosion resistance, rust resistance,  cleanliness. It can handle various corrosive media such as water, steam, acids, alkalis,  salt solutions, while also meeting the hygienic requirements of industries like food  pharmaceuticals.

Flanged End Connection: The valve body has flanges at both ends, compliant with standards (e.g., GB, HG, ASME B16.5). Connection to the pipeline flanges is achieved via bolts, providing a structurally robust, reliably sealed connection capable of withstanding high pressure. This connection method facilitates easy installation, maintenance,  removal of the valve, making it one of the most common connection types in industrial piping.

Reliable Sealing Performance: The disc  seat often employ stainless steel metal seals  are hard-faced with wear-resistant alloys. The structural design ensures the valve achieves tight shut-off  low leakage rates, providing reliable blocking functionality. A bellows seal design is optional to achieve zero external leakage at the stem, suitable for demanding  toxic media.

Broad Applicability: The stainless steel material  flanged connection provide both corrosion resistance  structural strength. It is suitable for a wide range of pressure classes (e.g., PN10/16/25/40, Class150/300)  temperature ranges. Different stainless steel grades  sealing materials can be selected based on specific service requirements.

Applications:

Widely used in industries such as petrochemical, pharmaceutical, food & beverage, water treatment, marine, paper,  power generation. It is used in process piping systems conveying corrosive media, clean media,  those requiring certain hygiene levels.

Core Value:

It provides a corrosion-resistant, rust-proof, easy-to-maintain,  reliably sealed fluid shut-off solution for corrosive environments  clean processes. It is a mainstream choice in industrial piping systems that balances economy  practicality.

不锈钢法兰截止阀: Stainless Steel Flanged Globe Valve

不锈钢: Stainless Steel

304/316/316L 不锈钢: Stainless Steel 304/316/316L

耐腐蚀性: Corrosion Resistance

法兰连接: Flanged Connection / Flanged End

阀瓣: Disc

阀座: Seat

密封: Sealing / Seal

压力等级: Pressure Class (e.g., Class 150) / PN Rating (e.g., PN16)

卫生级: Sanitary / Hygienic

洁净介质: Clean Media

腐蚀性介质: Corrosive Media

波纹管密封: Bellows Seal