碳钢截止阀 内螺纹截止阀 丝扣S型截止阀J11H16C
产品概述
碳钢截止阀J11H-16C是一款采用内螺纹连接的通用阀门，专为控制流体通断设计。其阀体材质为优质碳钢（WCB），具有耐高温、耐压及耐腐蚀特性，适用于水、蒸汽、油品等介质的管路系统。该阀门采用S型流道结构，通过旋转手轮驱动阀瓣垂直升降实现启闭，密封面堆焊硬质合金，确保长期使用的密封可靠性。产品结构紧凑，安装便捷，广泛应用于石油、化工、电力、制药等工业领域。124
结构特点
J11H-16C采用内螺纹（丝扣）连接方式，阀体与管道通过螺纹直接紧固，适用于DN15-DN50的小口径管道。其S型流道设计降低了流体阻力，阀瓣与阀座密封面采用锥面接触，启闭过程中磨损小且密封性能稳定。阀杆经调质处理，抗擦伤性强；手轮操作轻便，启闭行程短，可快速完成流体控制。此外，阀门整体发黑处理，无需额外喷漆即可防锈，适合高温或腐蚀性环境。61219
性能优势
该阀门在设计中兼顾实用性与经济性。与闸阀相比，其结构更简单，维修方便且密封面寿命长；流体单向流动设计（建议介质从阀瓣下方流入）进一步提升了密封效果。缺点是流体阻力略大，但通过优化流道可减少压力损失。阀门适用于常压至16MPa的工作环境，温度范围覆盖-29℃至425℃，能满足大多数工业场景需求。91115
应用场景
J11H-16C碳钢截止阀适用于建筑给排水、暖通系统、工业设备管道等场景，尤其适合空间受限的安装环境。在化工领域可用于弱腐蚀性介质控制，在电力系统中则能稳定处理高温蒸汽。其内螺纹连接方式简化了小型管道的安装流程，而S型阀体结构便于在复杂管路布局中灵活部署。72227
Product Overview
The J11H-16C carbon steel globe valve is a threaded-end valve designed for fluid shut-off applications. Constructed from WCB carbon steel, it exhibits high-temperature resistance, pressure tolerance, and corrosion durability, making it suitable for water, steam, and oil pipelines. The S-shaped flow path minimizes turbulence, while the handwheel-operated stem ensures precise vertical movement of the disc. Hard-faced sealing surfaces enhance longevity, and compact dimensions allow easy integration into industrial systems such as petrochemical plants, power stations, and pharmaceutical facilities. 1414
Design Features
Featuring NPT/BSP threaded connections (DN15-DN50), this valve adopts a conical disc-to-seat contact for leak-tight closure. The forged body undergoes black oxide treatment for rust prevention, and the tempered stem resists wear. Its short-stroke operation reduces manual effort, and the low-profile design suits confined spaces. The unidirectional flow design (recommended inlet under disc) optimizes sealing under pressure. 61218
Performance Highlights
Balancing efficiency and cost-effectiveness, the J11H-16C outperforms gate valves in simplicity and maintenance. Though slightly higher flow resistance exists, the streamlined S-path mitigates pressure drop. It handles pressures up to 16MPa and temperatures from -29°C to 425°C, ensuring versatility across utilities, HVAC, and light corrosive media. The threaded ends eliminate flange complexity, ideal for retrofit projects. 91526
Typical Applications
Ideal for compact piping in buildings, industrial machinery, and process lines, this valve excels in steam distribution, water treatment, and chemical dosing systems. Its threaded ends simplify small-pipe installations, while the robust carbon steel construction supports long-term use in demanding environments like thermal power plants or chemical processing units. 72225
碳钢截止阀 内螺纹截止阀 丝扣S型截止阀J11H16C
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