閥門的品種有多少?_電站閥_電氣動閥門_高溫高壓閥門_河南進典閥門有限公司不鏽鋼閥門_河南進典閥門有限公司_奇兵电竞

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奇兵电竞

河南進典閥門有限公司專注閥門産品多年,歡迎新老客戶前來咨詢!

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閥門的品種有多少?
更新時間:[2017-03-16 15:19] 來源:www.jdfam.com 浏覽:

閥門是流體(液體)、氣體(空氣)通用的,隻是閥門的形體、作用不一樣而已。

不同的管道和介質要使用什麼樣的閥門?很多的客戶對于這個問題束手無策,不知道怎麼用。以下就讓進典閥門有限公司簡單來為您介紹一下:

排泥閥:排泥閥的主要在泥土介質中使用。液動角式排泥閥由液壓缸和角式截止閥兩大部分組成,液壓缸為動力帶動閥闆升降,使閥體通道開或閉以達到流體通斷。液壓缸活塞密封件L型皮碗,其密封性能好,經久耐用。皮碗選用吸水革制作,其壽命達兩年以上,經用戶使用後的反饋信息有多達5年未更換者有之。開啟速度快,一般在15秒鐘内閥闆已全開,閥闆與閥體為軟密封,關閉後密封性能好,無洩漏,以便維修更換,如配以電磁換回閥指控液壓缸,則能實現遠控、自控等。

減壓閥:減壓閥主要用于蒸汽管道上使用。減壓閥主要的作用是起到減小壓力,來達到工況的所要的壓力。減壓閥是采用控制閥體内的啟閉件的開度來調節介質的流量,介質可以将壓力降低,同時又可以借助閥後壓力的作用調節啟閉件的開度,使閥後壓力保持在一定範圍内,并在閥體内或閥後噴入冷卻水,将介質的溫度降低,這種閥門稱為減壓減溫閥。

調節閥:調節閥的使用範圍廣泛,适合在工業管道上。調節閥一般分為電動和氣動、液動調節閥三種,調節閥用于調節介質的流量、壓力和液位。根據調節部位信号,自動控制閥門的開度,從而達到介質流量、壓力和液位的調節、控制。

閘閥:閘閥适用于清水管道上使用,閘閥主要是依靠閘闆來達到關閉和開啟,其它介質怕有雜物卡住卡槽,使閥門無法密封。閘閥的啟閉件是閘闆,閘闆的運動方向與流體方向相垂直,閘閥隻能作全開和全關,不能作調節和節流。

截止閥:截止閥更适用與蒸汽管道,截止閥是低進高出的原理,密封性能好,密封件不一磨損。是鍋爐管道上必用産品,碳鋼截止閥的溫度最高可以達到425度,更适合鍋爐管道上安裝。


http://www.jdfam.com/html/famenzhishi/2017/0316/424.html

 


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