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高壓閥門解析球閥和蝶閥的區別

發布時間:2017-06-02 14:15:56   發布人:http://www.aiqin1.cn
球閥和蝶閥都是對比常用的閥門。有些場合是能夠通用的,有些只能用其中的一種。兩者的差異首要在于構造和開關原理。高壓閥門廠家給出了簡要分析:
Ball and butterfly valves are commonly used valves. Some situations are universal, some can only be used one of them. The main difference between the two is the principle of construction and switching. High pressure valve manufacturers provide a brief analysis:
一、球閥:旋塞閥演變而來,啟閉件是球體。
Ball valves: the cocks are evolving and the opening is a sphere.
特點是:
Features are:
1.流體阻力小,全通徑的球閥根本沒有流阻。
The fluid resistance is small, and the full size ball valve has no resistance at all.
2.構造簡略、體積小、重量輕。
The structure is brief, small and lightweight.
3.緊密牢靠。它有兩個密封面,并且現在球閥的密封面資料廣泛運用各種塑料,密封性好,能完成徹底密封。在真空體系中也已廣泛運用。
Be strong. It has two sealing covers, and now the seal of the ball valve is widely used in various kinds of plastic, the sealing is good, can complete the complete seal. It is also widely used in vacuum systems.
4.操作便利,開閉敏捷,從全開到全關只要旋轉90°,便于遠距離的操控。
4. The operation is convenient, quick opening and closing, from open to close just rotate 90 °, to facilitate remote manipulation.
5.修理便利,球閥構造簡略,密封圈通常都是活動的,拆開替換都對比便利。
Repair convenience, ball valve construction is brief, sealing ring is usually active, and the replacement is convenient.
6.在全開或全閉時,球體和閥座的密封面與介質隔離,介質通過時,不會引起閥門密封面的腐蝕。
When full or closed, the sealing of the ball and seat is isolated from the medium and the medium is not corroded by the sealing surface of the valve.
7.適用規模廣,通徑從小到幾毫米,大到幾米,從高真空至高壓力都可使用。

The scale is wide, from small to a few millimeters, large to several meters, from high vacuum to high pressure.
8.因為球閥在啟閉過程中有擦洗性,所以可用于帶懸浮固體顆粒的介質中。
Because the ball valve is scrubbed during the open and closed process, it can be used in the medium with suspended solid particles.
二、蝶閥:啟閉件是圓盤式擺布敞開。特點:
Butterfly valves: open and closed are round and open. Features:
1、構造簡略、體積小、裝置便利;
1, the construction is brief, the volume is small, the device is convenient;
2、流阻系數小,啟閉敏捷;
The resistance coefficient is small and the speed is fast.
3、可用于大口徑閥門;
Can be used in large-caliber valves;
4、可使用不一樣的密封面,運用各種環境,包括粉狀、顆粒狀介質;
Use a different sealing surface, use various kinds of environment, including powder, granular medium;
5、啟閉便利敏捷、省力、流體阻力小,能夠常常操作。
5, open and close convenient agile, energy-saving, fluid resistance is small, can operate often.
6、能夠運送泥漿,在管道口積存液體起碼。
Able to carry mud and deposit liquid at the pipe.
7、低壓下,能夠完成杰出的密封。
Under low pressure, excellent sealing can be achieved.
8、調理性能好。
Good conditioning.
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