RETZ氣動法蘭截止閥廠家 圖片 資料
簡要描述:RETZ進口氣動法蘭截止閥是氣動單元組合儀表中的執行單元。執行機構動作速度快、推力大、有自復位功能、帶手操機構,閥體流路通暢、流量系數大、閥芯閥座有彈性和剛性串級雙重密封
品牌:RETZ(瑞茨)
工況條件:氣開/氣關
溫度/壓力:P-T:40bar-300℃
更新時間:2022/07/08
進口氣動法蘭截止閥 應用 Application of Pneumatic Flange Stop Valve
氣動法蘭截止閥的執行器有薄膜式和活塞式,具有低流阻、雙重密封結構的切斷閥組成。本產品性能優良、規格齊全,還有形體小重量輕等優點,它能滿足化工、石油、冶金和其它工業部門生產過程中自動快速排放和緊急切斷的操作要求,適用于生產過程和設備的安全保護系統,也適用于一般的兩位控制和開關操作場合 RETZ The actuators of the pneumatic flange stop valve are diaphragm type and piston type, and the valve is composed of low flow resistance and double sealing structure. This product has the advantages of excellent performance, complete specifications, small size and light weight. It can meet the operation requirements of automatic fast discharge and emergency cut-off in the production process of chemical, petroleum, metallurgy and other industrial departments. It is suitable for the safety protection system of production process and equipment, and also for the general two position control and switch operation occasions
進口氣動法蘭截止閥 特點 Features of pneumatic flange stop valve
執行機構動作速度快、推力大、有自復位功能、帶手操機構 The actuator has fast action speed, large thrust, self reset function and manual operation mechanism
閥體流路通暢、流量系數大、閥芯閥座有彈性和剛性串級雙重密封 The flow path of the valve body is smooth, the flow coefficient is large, and the valve core and valve seat are elastically and rigidly sealed in series
獨特的結構快速動作、嚴密切斷、安全可靠的高性能切斷 Unique structure, fast action, tight cutoff, safe and reliable high-performance cutoff
活塞式參數 Piston type parameters
公稱壓力 MPa | 1.6-6.4 | ![]() | ||||||||
公稱通徑 mm | 25 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | |
額定流量系數 Kv | 10 | 25 | 40 | 63 | 100 | 160 | 400 | 630 | ||
額定行程 mm | 10 | 16 | 30 | 60 | ||||||
氣缸有效面積 cm2 | 180 | 360 | 700 | 1400 | ||||||
全行程時間 S | ≤1 | ≤1.5 | ≤2 | |||||||
允許壓差 MPa | 6.4 | 4.8 | 3.1 | 2.9 | 2.7 | 1.6 | ||||
泄 漏 量 | 硬密封∶1×10ˉ7閥額定容量 | |||||||||
軟密封;VI級(GB/T4213) | ||||||||||
操作壓力 KPa | 500 | |||||||||
工作溫度℃ | -40~+250,-40~+450,-40~+180(軟密封) | |||||||||
環境溫度 ℃ | -40~+70 | |||||||||
閥體、閥蓋 | WCB/304不銹鋼 | |||||||||
閥芯、閥座 | 1Cr18Ni9,OCr18Ni12Mo2Ti,密封面堆焊史太立合金 | |||||||||
閥座圈 | 0Cr18Ni12Mo2Ti,聚四氟乙烯 | |||||||||
填料 | 聚四氟乙烯,柔性石墨 |
薄膜式參數 Membrane type parameter
公稱通徑 DN(mm) | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | ![]() | |
額定流量系數 Kv | 套筒 | 1n | 20 | 30 | 48 | 75 | 120 | 190 | 300 | 480 | 760 | |||
單座 | 5 | 7 | 1 | 20 | 30 | 48 | 75 | 120 | 190 | 300 | 480 | 760 | ||
三通 | ||||||||||||||
額 定行 程(mm) | 8 | 12 | 20 | 25 | 40 | 50 | ||||||||
允許泄漏量 | 硬 密 封(I/h) | 套筒5×10-5×閥額定容量單座、三通1.2×10-7×閥的額定容量 | ||||||||||||
軟密封(ml/min) | 無 | |||||||||||||
工 作 溫度(℃) | -20~+200-40~+425 | |||||||||||||
膜片有效面積(cm2)(薄膜式切斷閥) | 100 | 200 | 400 | 600 | 1000 | |||||||||
公稱壓力PN(MPa) | 1.6 -6.4 | |||||||||||||
允許壓差(MPa) | 單座 | 6.4 | 6.4 | 3.8 | 2.5 | 2.9 | 1.8 | 2 | 1.3 | 0.83 | 0.8 | 0.55 | 0.52 | |
套筒 | 6.4 | |||||||||||||
信號壓力(KPa) | 200(薄膜式) | |||||||||||||
閥體 | WCB ,ZG1Cr18Ni9Ti | |||||||||||||
閥塞套筒 | 1Cr18Ni9Ti,0Cr18Ni12Mo2Ti | |||||||||||||
閥芯、閥座 | 1Cr18Ni9Ti,0Cr18Ni12Mo2Ti | |||||||||||||
填料 | 聚四氟乙烯柔性石墨 |