進(jìn)口電動高溫調(diào)節(jié)閥
一、?機(jī)構(gòu)組成:調(diào)節(jié)閥通常由電動執(zhí)行機(jī)構(gòu)或氣動執(zhí)行機(jī)構(gòu)與閥體兩部分共同組成。直行程主要有直通單座式和直通雙座式兩種,后者具有流通能力大、不平衡辦小和操作穩(wěn)定的特點,所以通常特別適用于大流量、高壓降和泄漏少的場合。角行程主要有:V型電動調(diào)節(jié)球閥、電動蝶閥、通風(fēng)調(diào)節(jié)閥、偏心蝶閥等。
Institutions: the regulator usually by electric actuators or pneumatic actuators and valve body two parts together. Straight travel mainly through single seater and direct two-seater type two kinds, the latter has a large flow capacity, unbalanced and the characteristics of stable operation, so often especially suitable for large flow, little pressure drop and leakage. Quarter-turn basically has: V electric regulating valves, electric butterfly valve, ventilation control valve, eccentric butterfly valve, etc.
二、進(jìn)口電動高溫調(diào)節(jié)閥種類
??? 按用途和作用、主要參數(shù)、壓力、介質(zhì)工作溫度、特殊用途(即特殊、專用閥)、驅(qū)動能源、結(jié)構(gòu)等方式進(jìn)行了分類,其中最常用的分類法是按結(jié)構(gòu)將調(diào)節(jié)閥分為九個大類,6種為直行程,3種為角行程。?
??? 三、按用途和作用分類
a.兩位閥:主要用于關(guān)閉或接通介質(zhì);
??? b.調(diào)節(jié)閥:主要用于調(diào)節(jié)系統(tǒng)。選閥時,需要確定調(diào)節(jié)閥的流量特性;
??? c.分流閥:用于分配或混合介質(zhì);
??? d.切斷閥:通常指泄漏率小于十萬分之一的閥。
A. two valve: mainly used in closed or through to medium;
B. the regulator: mainly used in control system. Choose valve, need to confirm the flow characteristic of regulating valve;
C. diverter valve: for distribution or mixed medium;
D. cut-off valve: usually refers to the leakage rate is less than one over one hundred thousand of the valve.
???
???
??? 四、按主要參數(shù)分類
??? 1 按壓力分類
??? (1)真空閥:工作壓力低于標(biāo)準(zhǔn)大氣壓;
??? (2)低壓閥:公稱壓力PN≤1.6MPa;
??? (3)中壓閥:PN2.5~6.4MPa;
??? (4)高壓閥:PNl0.0~80.0MPa,通常為PN22、PN32;
??? (5)超高壓閥:PN≥IOOMPa。
??? 2 按介質(zhì)工作溫度分類
??? (1)高溫閥:t>450℃;
??? (2)中溫閥:220℃≤t≤450℃;
??? (3)常溫閥:-40℃≤t≤220℃;④低溫閥:-200℃≤t≤-40℃。
??? 常用分類法
???這種分類方法既按原理、作用又按結(jié)構(gòu)劃分,是目前國內(nèi)、國際最常用的分類方法。一般分為九個大類:
??? 直行程氣動調(diào)節(jié)閥
(1)單座調(diào)節(jié)閥;
??? (2)雙座調(diào)節(jié)閥;
??? (3)套筒調(diào)節(jié)閥;
??? (4)角形調(diào)節(jié)閥;
??? (5)三通調(diào)節(jié)閥;
??? (6)隔膜閥;
??? (7)蝶閥;
??? (8)球閥;
??? (9)偏心旋轉(zhuǎn)閥。前6種為直行程,后三種為角行程。
(1) the single-seat regulating valve;
(2) two-seater regulating valve;
(3) sleeve regulator;
(4) the Angle regulator;
(5) the 3-way regulating valve;
(6) the diaphragm valve,
(7) butterfly valve;
(8) ball valve;Eccentric rotary valve
(9)Before 6 kinds of straight travel, after three for the Angle of travel.
VTON(威盾)閥門國際有限公司
代理公司:深圳名閥進(jìn)出口貿(mào)易有限公司
聯(lián)系人:黃生 電話:0755-29172950 傳真:0755-29172950
使用業(yè)績:
深圳地鐵1號線(羅寶線)Shenzhen metro line 1(luobao line)
深圳地鐵2號線(蛇口線)Shenzhen metro line 2 (shekou line)
深圳地鐵3號線(龍崗線)Shenzhen metro line 3 (longgang line)
深圳地鐵4號線(龍華線)Shenzhen metro line 4(longhua line)
深圳地鐵5號線(環(huán)中線)Shenzhen metro line 5(huanzhong line)