焊接针型阀J61W/Y160P高温高压对焊针型阀 电站专用针型截止阀
产品概述
焊接针型阀J61W/Y-160P是一种专为高温高压工况设计的高性能阀门，广泛应用于电站、石油化工、电力系统等领域的管道控制。该阀门采用对焊连接方式，确保与管道系统的紧密集成，具有优异的密封性能和耐压能力。其阀芯采用锥形设计，能够精确控制小流量介质，适用于蒸汽、油品、水及弱腐蚀性化学介质的启闭与调节。阀体材质可选碳钢、不锈钢（304/316/316L）或耐热合金钢，满足不同介质和温度环境的需求。工作温度范围覆盖-29℃至570℃，压力等级可达32MPa，适用于极端工况。169
结构特点
该阀门采用上螺纹阀杆结构，避免介质与螺纹直接接触，延长使用寿命。密封面采用硬质合金堆焊或紫铜/四氟材料，确保高温高压下的可靠密封。阀体设计带散热片（部分型号），有效降低高温对操作部件的影响。连接方式为对焊或承插焊，安装便捷且无泄漏风险。此外，阀门支持手轮、条钢等多种操作方式，颜色可选红、蓝、黑等，便于现场识别。3511
应用场景
J61W/Y-160P主要用于火力发电厂的蒸汽管路、仪表测量系统及热循环水管道，作为截止或流量调节装置。其紧凑的设计和高压耐受性使其成为电站一次门、压力表配套阀门的理想选择。同时，该阀门也适用于化工装置的腐蚀性介质控制，以及石油行业的油品输送系统。安装时需注意介质流向与阀体箭头标识一致，焊接需牢固以确保长期稳定运行。2821
Product Overview
The J61W/Y-160P welded needle valve is a high-performance valve designed for high-temperature and high-pressure applications, widely used in power plants, petrochemical industries, and pipeline systems. Featuring a butt-welded connection, it ensures seamless integration with pipelines while delivering exceptional sealing and pressure resistance. The tapered valve core enables precise flow control for small-volume media such as steam, oil, water, and mildly corrosive chemicals. The valve body is available in carbon steel, stainless steel (304/316/316L), or heat-resistant alloys, catering to diverse operational environments with a temperature range of -29°C to 570°C and pressure ratings up to 32MPa. 6915
Design Features
This valve incorporates an upper-threaded stem structure to prevent direct media contact, enhancing durability. Sealing surfaces utilize hard alloy overlays, copper, or PTFE materials for reliability under extreme conditions. Some models include heat-dissipating fins to mitigate thermal effects. The butt-weld or socket-weld connections facilitate easy installation with zero leakage risks. Manual operation options include handwheels or lever handles, available in multiple colors for identification. 31119
Applications
Primarily deployed in steam pipelines, instrumentation systems, and thermal water circuits of thermal power plants, the J61W/Y-160P serves as a shut-off or flow-regulation device. Its compact design and high-pressure tolerance make it ideal for primary isolation valves and pressure gauge installations. It also suits corrosive media control in chemical plants and oil transportation systems. Installation requires aligning the medium flow direction with the valve’s arrow marking and ensuring robust welding for long-term stability. 2823
焊接针型阀J61W/Y160P高温高压对焊针型阀 电站专用针型截止阀
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