簡要描述:氨(an)用(yong)(yong)角(jiao)式(shi)內螺紋截(jie)止閥使(shi)用(yong)(yong)時通過(guo)氨(an)用(yong)(yong)截(jie)止閥使(shi)氣體壓力(li)降至實驗(yan)所需范(fan)圍(wei),再經過(guo)其它控制閥門細調(diao),使(shi)氣體輸入使(shi)用(yong)(yong)系(xi)統。較常用(yong)(yong)的減(jian)壓閥為氨(an)用(yong)(yong)截(jie)止閥,簡稱氨(an)用(yong)(yong)閥。
產地 | 國產 | 公稱壓力 | 常壓 |
---|---|---|---|
密封形式 | 硬密封型 | 執行質量標準 | 國標 |
氨用角式內螺紋截止閥
產品(pin)概述:
氨用角式內螺紋截止閥閥體(ti)(ti)的結(jie)構形式(shi)(shi)有(you)直(zhi)(zhi)(zhi)通(tong)(tong)式(shi)(shi)、直(zhi)(zhi)(zhi)流(liu)(liu)式(shi)(shi)和(he)直(zhi)(zhi)(zhi)角(jiao)式(shi)(shi)。直(zhi)(zhi)(zhi)通(tong)(tong)式(shi)(shi)是較常見的結(jie)構,但其流(liu)(liu)體(ti)(ti)的阻力(li)大。直(zhi)(zhi)(zhi)流(liu)(liu)式(shi)(shi)流(liu)(liu)體(ti)(ti)阻力(li)較小(xiao),多用于含固體(ti)(ti)顆粒(li)或粘度大的流(liu)(liu)體(ti)(ti)。直(zhi)(zhi)(zhi)角(jiao)式(shi)(shi)閥體(ti)(ti)多采(cai)用鍛造,適用于較小(xiao)通(tong)(tong)經、較高壓力(li)的的截止閥。 中通(tong)(tong)法蘭(lan)為方(fang)形結(jie)構,閥桿采(cai)用間桿連接。
產品結(jie)構
氨(an)用(yong)(yong)(yong)(yong)截(jie)(jie)止閥(fa)經常要(yao)用(yong)(yong)(yong)(yong)到氧(yang)氣(qi)(qi)、氮氣(qi)(qi)、氫氣(qi)(qi)、氬氣(qi)(qi)等(deng)氣(qi)(qi)體(ti)(ti)。這些氣(qi)(qi)體(ti)(ti)一般都是(shi)貯存在的高壓氣(qi)(qi)體(ti)(ti)中。使用(yong)(yong)(yong)(yong)時(shi)通過氨(an)用(yong)(yong)(yong)(yong)截(jie)(jie)止閥(fa)使氣(qi)(qi)體(ti)(ti)壓力降(jiang)至實驗所需(xu)范圍,再(zai)經過其它控(kong)制閥(fa)門(men)細調,使氣(qi)(qi)體(ti)(ti)輸(shu)入使用(yong)(yong)(yong)(yong)系統。較常用(yong)(yong)(yong)(yong)的減(jian)壓閥(fa)為氨(an)用(yong)(yong)(yong)(yong)截(jie)(jie)止閥(fa),簡稱氨(an)用(yong)(yong)(yong)(yong)閥(fa)。
主要零連接(jie)尺寸(cun):
公稱通徑(jing) | 主要外形尺寸及連接尺寸(mm) | ||||||||||
L | D | D1 | D2 | D6 | b | f | f2 | z-d | H | DO | |
J41B-16C J41B-16Q J41B-16K | |||||||||||
10 | 130 | 90 | 60 | 40 | 35 | 14 | 2 | 4 | 4-14 | 196 | 120 |
15 | 130 | 95 | 65 | 45 | 40 | 14 | 2 | 4 | 4-14 | 196 | 120 |
20 | 150 | 105 | 75 | 55 | 51 | 16 | 2 | 4 | 4-14 | 196 | 140 |
25 | 160 | 115 | 85 | 65 | 58 | 16 | 2 | 4 | 4-14 | 204 | 160 |
32 | 180 | 135 | 100 | 78 | 66 | 18 | 2 | 4 | 4-18 | 208 | 160 |
40 | 200 | 145 | 110 | 85 | 76 | 18 | 3 | 4 | 4-18 | 248 | 200 |
50 | 230 | 160 | 125 | 100 | 88 | 20 | 3 | 4 | 4-18 | 248 | 200 |
65 | 290 | 180 | 145 | 125 | 110 | 22 | 3 | 4 | 4-18 | 321 | 240 |
80 | 310 | 195 | 160 | 135 | 121 | 24 | 3 | 4 | 8-18 | 325 | 240 |
100 | 350 | 215 | 180 | 155 | 150 | 24 | 3 | 4.5 | 8-18 | 371 | 280 |
125 | 400 | 245 | 210 | 185 | 176 | 26 | 3 | 4.5 | 8-18 | 400 | 320 |
150 | 480 | 280 | 240 | 210 | 204 | 26 | 3 | 4.5 | 8-23 | 432 | 320 |
200 | 600 | 335 | 295 | 265 | 260 | 30 | 3 | 4.5 | 12-23 | 654 | 400 |
250 | 650 | 405 | 335 | 320 | 313 | 32 | 3 | 4.5 | 12-25 | 745 | 500 |
300 | 700 | 460 | 410 | 375 | 364 | 34 | 3 | 4.5 | 12-25 | 852 | 600 |
三、主要(yao)性能參(can)數:
公稱壓力 PN(MPa) | 試驗壓(ya)力 (MPa) | |
殼體強度試驗 | 密封(feng)試驗 | |
1.6 | 2.4 | 1.76 |
2.5 | 3.75 | 2.75 |
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