進口一片式球閥｜進口一片式螺紋球閥

進口一片式球閥

德國托普進口一片式球閥優(yōu)點：

適用于經(jīng)常操作，啟閉迅速、輕便。 

1.流體阻力小。 

2.結構簡單，相對體積小，重量輕，便于維修。 

3.密封性能好 

4.不受安裝方向的限制，介質(zhì)的流向可任意。 

5.振動，噪聲小。 

進口球閥的質(zhì)量不僅*于使用壽命*，更為耐磨而設計，AIR閥門為您提供優(yōu)質(zhì)的產(chǎn)品和多方面的服務。

進口一片式球閥產(chǎn)品概述：

進口一片式球閥zui大優(yōu)點就是有效介質(zhì)從閥體處外漏。進口二片式球閥和進口三片式球閥都是用螺栓將分開的閥體連接成一體，閥體間有密封墊片進行密封。溫度高時或安裝不當會存在外漏可能。一片式球閥由于閥體為整體式，外漏點就只有閥桿處密封一處，可靠性要高些。
法蘭保溫球閥就采用一片式球閥結構，保溫夾套把閥體部分包裹在內(nèi)，介質(zhì)不會泄漏到保溫夾套中，反之，保溫夾套中的加熱蒸汽或?qū)嵊鸵膊粫M入到管路介質(zhì)中。確保了安全。
一片式螺紋球閥由于閥桿密封處比較薄弱，通常適用壓力不高的介質(zhì)。壓力較高時應選用二片式螺紋球閥或三片式螺紋球閥。

進口一片式球閥開啟過程：

進口一片式球閥和法蘭閘閥是同屬一個類型的閥門，區(qū)別在它的關閉件是個球體，球體繞閥體中心線作旋轉(zhuǎn)來達到開啟、關閉的一種閥門。 球閥在管路中主要用來做切斷、分配和改變介質(zhì)的流動方向。廣式球閥是近幾年來被廣泛采用的一種新型閥門，在關閉位置，球體受閥桿的機械施壓作用，緊壓在閥座上。當逆時針轉(zhuǎn)動手輪時，閥桿則反向運動，其底部角形平面使球體脫開閥座。閥桿繼續(xù)提升，并與閥桿螺旋槽內(nèi)的導銷相互作用，使球體開始無摩擦地旋轉(zhuǎn)。直至到全開位置，閥桿提升到極限位置，球體旋轉(zhuǎn)到全開位置。
進口一片式球閥的關閉過程
關閉時，順時針旋轉(zhuǎn)手柄，閥桿開始下降并使球體離開閥座開始旋轉(zhuǎn)。繼續(xù)旋轉(zhuǎn)手輪，閥桿受到嵌于其上螺旋槽內(nèi)的導銷的作用，使閥桿和球體同時旋轉(zhuǎn)90°。快要關閉時，球體已在與閥座無接觸的情況下旋轉(zhuǎn)了90°。手輪轉(zhuǎn)動的zui后幾圈，閥桿底部的角形平面機械地楔向壓迫球體，使其緊密地壓在閥座上，達到*密封。

Imported ball valve

Germany top import valve advantages:

Suitable for regular operation, open and close quickly and easily.  

1 small fluid resistance.  

2 the utility model has the advantages of simple structure, relatively small size, light weight and convenient maintenance.  

3 good sealing performance

4 is not limited by the installation direction, the flow of media can be arbitrary.  

5 vibration, small noise.  

The quality of the ball valve is not limited to the use of a long life, more wear-resistant design, AIR valve to provide you with quality products and services.

Import a ball valve product overview:

The biggest advantage of imports of a piece of ball valve is the effective medium leakage from the valve body. Imported two piece ball valve and imported ball valve are used to separate the three pieces of the valve body into one body, there is a seal gasket seal between the valve body. If the temperature is high or improper installation, there will be leakage. A ball valve as the valve body is an integral type, only the stem seal leakage point at a higher reliability.

Flange insulation ball valve with a ball valve structure, insulation jacket wrapped the inner part of the valve body, the medium does not leak to the insulation jacket, on the other hand, the insulation jacket of heating steam or hot oil can not enter into the pipeline medium. Ensure safety.

A piece of threaded ball valve stem seal is relatively weak, usually the pressure is not high medium. High pressure should be used when two pieces of thread ball valve or three piece ball valve.

Import a ball valve opening process:

The import of a piece of ball valve and flange gate valve is the same type of valve, the difference in its closure is a sphere, the ball around the center line of the body to rotate to achieve the opening and closing of a valve. Ball valve in the pipeline is mainly used for cutting, distribution and change the direction of the flow of media. Wide ball valve is widely used in recent years, a new type of valve in the closed position, the ball by the mechanical pressure of the stem, the pressure on the seat. When the handwheel counterclockwise, the stem is the reverse movement, the bottom of the angular plane to disengage the ball seat. The valve stem continues to lift and interacts with the guide pin in the stem spiral groove so that the ball begins to rotate without friction. Until the full open position, the valve stem to the limit position, the ball rotation to full open position.

The closing process of imported ball valve

When the valve is closed, the handle is rotated clockwise, the valve stem begins to fall and the ball starts to rotate from the valve seat. Continue to rotate the handwheel, the valve stem is embedded in the spiral groove on the role of the guide pin, so that the stem and the ball simultaneously rotate 90 degrees. Close, the ball has no contact with the valve seat in the case of rotation of 90 degrees. At the bottom of the handwheel, the angle of the bottom of the valve stem is mechanically wedged into the compression sphere, so that it is tightly pressed on the valve seat to achieve complete sealing.