進(jìn)口氣動(dòng)低溫調(diào)節(jié)閥(德國(guó)OLES奧萊斯閥門(mén))
【進(jìn)口氣動(dòng)低溫調(diào)節(jié)閥】詳細(xì)說(shuō)明:
氣動(dòng)低溫調(diào)節(jié)閥菲语,由氣動(dòng)薄膜執(zhí)行器及低溫調(diào)節(jié)閥閥體組成,多彈簧執(zhí)行機(jī)構(gòu)高度低惑灵、重量輕山上、裝備簡(jiǎn)便。氣動(dòng)薄膜低溫調(diào)節(jié)閥閥體流道呈S流線(xiàn)型私舱。氣動(dòng)低溫調(diào)節(jié)閥具有結(jié)構(gòu)緊湊畦肉、重量輕、動(dòng)作靈敏菊舅、壓降損失小礁姿、閥容量大、流量特性精確舆滞、維護(hù)方便等優(yōu)點(diǎn)菱区,適合于低于0~-250℃狀態(tài)下工作,由氣動(dòng)薄膜執(zhí)行機(jī)構(gòu)和帶長(zhǎng)頸接管的閥體組成服讯,長(zhǎng)頸接管的作用是使閥桿密封出接近常溫下工作绎瓣,并減少外界熱能傳入。為減少傳遞授灵,長(zhǎng)頸采用薄壁結(jié)構(gòu)堵忌。氣動(dòng)低溫調(diào)節(jié)閥是大型低溫設(shè)備中較常用的設(shè)備,作為低溫控制系統(tǒng)中重要的執(zhí)行機(jī)構(gòu),其特性直接影響到控制過(guò)程的穩(wěn)定性杯道、快速性和準(zhǔn)確性匪煌。
Pneumatic cryogenic control valve is composed of pneumatic membrane actuator and cryogenic control valve body. The multi-spring actuator has low height, light weight and simple equipment. The flow path of the valve body of the pneumatic film cryogenic control valve is S-streamlined. Pneumatic cryogenic control valve has the advantages of compact structure, light weight, sensitive action, small pressure drop loss, large valve capacity, accurate flow characteristics and convenient maintenance. It is suitable for working under 0-250 C. It is composed of pneumatic thin film actuator and valve body with long neck nozzle. The function of long neck nozzle is to make the valve stem seal out and connect. It works at near room temperature and reduces the heat input from outside. In order to reduce transmission, thin-walled structure is used for long neck. Pneumatic cryogenic control valve is the most commonly used equipment in large cryogenic equipment. As the most important actuator in cryogenic control system, its characteristics directly affect the stability, rapidity and accuracy of the control process.
【進(jìn)口氣動(dòng)低溫調(diào)節(jié)閥】特點(diǎn):
底進(jìn)側(cè)出,流路簡(jiǎn)單蕉饼,阻力小虐杯,閥體容量大
雙導(dǎo)向,閥工作穩(wěn)定性好
可調(diào)范圍大昧港,固有可調(diào)比50
波紋管密封對(duì)移動(dòng)的閥桿形成*密封擎椰,堵絕流體外漏
采用浮動(dòng)套連接,安裝方便
浮動(dòng)套安裝型
溫夾套创肥,用于流體冷卻后易結(jié)晶达舒、凝固造成堵塞的場(chǎng)合。
【進(jìn)口氣動(dòng)低溫調(diào)節(jié)閥】結(jié)構(gòu)說(shuō)明:
氣動(dòng)低溫調(diào)節(jié)閥由氣動(dòng)薄膜執(zhí)行機(jī)構(gòu)和耐低溫的單叹侄、雙座閥兩部分組成巩搏。
由調(diào)節(jié)器來(lái)的信號(hào)壓力輸入氣動(dòng)薄膜執(zhí)行機(jī)構(gòu)的氣室,產(chǎn)生推力趾代,通過(guò)
連接桿件帶動(dòng)閥芯贯底,閥芯位置的變化使閥的流通截面積變化,實(shí)現(xiàn)對(duì)介質(zhì)
流量的調(diào)節(jié)撒强。
【進(jìn)口氣動(dòng)低溫調(diào)節(jié)閥】安裝說(shuō)明:
1應(yīng)垂直安裝于水平管道上挽后,在特殊情況下需要水平或傾斜安裝時(shí),一般應(yīng)加支撐鸠头。裝于保溫箱壁的園板與保溫箱壁應(yīng)平行镇盛。
2、應(yīng)安裝在靠近地面或樓板的地方诱价,以便在于維護(hù)檢修卜锡,對(duì)裝有閥門(mén)定位器或手輪機(jī)構(gòu)者,更應(yīng)保證觀察涧俐,調(diào)整和操作和方便歉赴。
3、一般都設(shè)置旁通管路偶村,以便在自控系統(tǒng)發(fā)生故障或維修調(diào)節(jié)閥時(shí)切換到手動(dòng)操作柄午,不致于停止生產(chǎn)。
4吏恃、裝有手輪機(jī)構(gòu)時(shí),也可省略旁通管路時(shí)行手動(dòng)操作账何,還可用于限制閥門(mén)的開(kāi)度代虾。當(dāng)停止使用時(shí),手輪機(jī)構(gòu)必須恢復(fù)到原來(lái)空檔位置,以利自控系統(tǒng)正常進(jìn)行棉磨。
5江掩、安裝時(shí),應(yīng)使介質(zhì)流向與閥體指示方向*乘瓤。
6环形、調(diào)節(jié)閥在安裝前應(yīng)對(duì)管路清洗污物、焊渣衙傀。安裝后抬吟,使調(diào)節(jié)閥全開(kāi),對(duì)管路统抬,閥門(mén)等進(jìn)行清洗及試驗(yàn)各連接處的密封性火本。