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RJ41N-16C、25、 40型 液化氣截止閥RJ41N
一、RJ41N-16C、RJ41N-25、RJ41N-40型液化氣截止閥結(jié)構(gòu)以及使用
1、采用彈性PTEE作為動密封自補償填料,具有自密封性能。 seif-cmpensating filling, which possrss self-sealing performance. structure can ansure the safety and reliability of dynamical sealing. handle in order to protect the interior parts of valve from erosion of exterior arvironmart. and possesses high intensity and beautiful appeararue. The sealed auxiliary adopts the fireproof structure. posers small open and close torque. The handwheel can be smoothly operated. |
1、該閥專為石油液化氣的管路成裝置設(shè)計. or equipment of petroleum and liquefied gas. steel. The sealing is reliable. Reliable upper sealing equipment can strictly protect the filling and absolutely avoid the leakage. sealing material is burned,the metal seal still takes effect. |
二、RJ41N-16C、RJ41N-25、RJ41N-40型液化氣截止閥主要性能范圍
主要性能規(guī)范 The technical data | |||||
型號 type |
試驗壓力 MPa |
適用介質(zhì) |
適用溫度 suitable temp |
||
殼體shell test | 液密封seat test | 氣密封gas seal test | |||
RJ41F-25 | 3.8 | 2.75 | 2.5MPa壓縮空氣 | 石油液化氣、煤氣、 天然氣、氨氣等 | -40℃ ~ +80℃ |
RJ41F-40 | 6.0 | 4.4 | 4.0MPa壓縮空氣 |
三、RJ41N-16C、RJ41N-25、RJ41N-40型液化氣截止閥主要零部件材料
主要零部件材料 Material of main parts | |||||
零件名稱 name of part |
閥體、閥蓋 Bonnet |
密封副材料 seat test material |
閥桿 disc |
填料 packing |
|
型號 type |
RJ41N-25 RJ41N-40 |
WCB | 尼龍、PTFE+、1Cr18Ni9Ti | 2Cr13 | PTFE |
主要外形尺寸及連接尺寸 Main size of Apperance | |||||||||||
公稱壓力 MPa |
圖中符 sign |
公稱通徑 DN/mm | |||||||||
20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 150 | 200 | ||
2.5 4.0 |
L | 150 | 160 | 180 | 200 | 230 | 290 | 310 | 350 | 480 | 600 |
D0 | 140 | 140 | 180 | 200 | 240 | 280 | 320 | 360 | 400 | 500 | |
H | 262 | 280 | 290 | 33O | 350 | 400 | 430 | 465 | 610 | 722 | |
H1 | 275 | 295 | 308 | 355 | 380 | 420 | 460 | 506 | 692 | 830 |