批發DN80不銹鋼法蘭截止閥 J41W16P不銹鋼截止閥
產品概述
DN80不銹鋼法蘭截止閥（型號J41W-16P）是一款采用優質不銹鋼材料制造的工業閥門，專為管道系統中介質的可靠切斷而設計。該產品通過法蘭連接方式實現與管道的穩固對接，適用于水、蒸汽、油品及弱腐蝕性介質的工況環境。閥體與關鍵部件采用304/316不銹鋼材質，具備優異的耐腐蝕性和耐磨性，可長期保持密封性能穩定。閥瓣采用平面或錐面密封結構，通過閥桿直線運動實現精準啟閉，操作力矩小且使用壽命長。123
結構特點
該閥門采用直通式結構設計，閥體內部流道經過優化處理，有效降低流體阻力。閥桿采用升降桿結構，配備防旋轉設計確保密封面均勻磨損。密封副采用本體材料或硬質合金堆焊工藝，在高溫高壓工況下仍能保持良好密封性。填料函采用柔性石墨或聚四氟乙烯材料，兼具密封可靠性與操作靈活性。產品提供手動操作方式，手輪設計符合人體工學，啟閉輕便且支持管道任意位置安裝。456
技術優勢
J41W-16P型截止閥在工作溫度≤200℃、壓力1.6MPa環境下表現穩定，閥瓣開啟高度為公稱直徑25%-30%時即可達到設計流量。相比同類產品，其結構長度更緊湊但流道通暢，特別適合空間受限的管道布局。閥門關閉時通過介質壓力輔助密封，大幅降低操作力矩。產品制造過程采用精密加工工藝，確保各部件配合精度，閥座與閥瓣的研磨密封面可實現零泄漏。789
應用領域
該閥門廣泛應用于石油化工、電力能源、食品制藥、造紙紡織等行業的流體控制系統。在蒸汽輸送管道中能有效防止介質倒流，在化工裝置中可安全切斷腐蝕性流體。產品適用于水平或垂直安裝，滿足不同工藝管線的布局需求。大口徑設計使其特別適合主工藝管道中的介質切斷應用，維護時只需定期檢查填料壓蓋緊固狀態即可保持長期穩定運行。101112
Product Overview
The DN80 stainless steel flanged globe valve (Model J41W-16P) is an industrial valve manufactured from premium stainless steel, designed for reliable fluid shut-off in pipeline systems. Featuring flange connections for secure pipeline integration, it is suitable for water, steam, oil, and mildly corrosive media applications. The valve body and critical components utilize 304/316 stainless steel, offering exceptional corrosion resistance and durability to maintain long-term sealing performance. Its disc employs flat or conical sealing surfaces that achieve precise opening/closing through linear stem movement, requiring minimal operating torque while ensuring extended service life. 131415
Structural Features
This valve adopts a straight-through design with optimized internal flow passages to reduce fluid resistance. The rising stem incorporates anti-rotation protection to ensure even sealing surface wear. The sealing pair utilizes either body material or hard-faced alloy welding, maintaining effective sealing under high-temperature/pressure conditions. The stuffing box employs flexible graphite or PTFE packing for reliable sealing and smooth operation. The manually operated version features ergonomic handwheel design for effortless actuation in any installation orientation. 161718
Technical Advantages
The J41W-16P valve demonstrates stable performance at working temperatures ≤200°C and 1.6MPa pressure, reaching designed flow capacity at just 25%-30% of nominal diameter opening height. Compared with similar products, it offers more compact face-to-face dimensions while maintaining unobstructed flow paths, ideal for space-constrained piping layouts. Medium pressure assists sealing during closure, significantly reducing operating torque. Precision machining ensures component fit accuracy, with lapped seat/disc surfaces achieving bubble-tight shut-off. 192021
Application Fields
This valve is widely used in fluid control systems across petroleum refining, power generation, food/pharmaceutical processing, and textile/paper industries. It effectively prevents backflow in steam distribution pipelines and safely isolates corrosive fluids in chemical plants. Suitable for horizontal or vertical installation, it accommodates diverse process piping configurations. The large bore design makes it particularly effective for main process line isolation applications, requiring only periodic gland packing adjustment for sustained reliable operation. 222324
批發DN80不銹鋼法蘭截止閥 J41W16P不銹鋼截止閥
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