進口鑄鋼球閥

德國托普進口鑄鋼球閥結(jié)構(gòu)及用途：

兩分式和三段式固定球閥又稱測裝分體式球閥，將閥體沿與閥門通道軸線相垂直的截面分為不對稱的左右兩半，它在管道上主要用于切斷、分配和改變介質(zhì)流動方向。它的樞軸結(jié)構(gòu)保證了準確的球體位置。標準閥座采用彈簧結(jié)構(gòu)，將閥蓋推向球體，保證了良好的低壓密封性能。該球閥閥前、閥后閥座都能密封， 即所謂雙向密封特性，利用自帶的排放閥，閥體中腔可向外排放。樞軸采用防吹出保護結(jié)構(gòu)，低摩擦系數(shù)的軸承等。具有性能優(yōu)異，可靠性高，用途廣泛，價格合理等優(yōu)點。

適用于：化工、石油、天然氣、冶金、等行業(yè)及含硫化氫介質(zhì)、雜質(zhì)多、腐蝕嚴重的天然氣長輸管線。

進口鑄鋼球閥與進口鍛鋼球閥的區(qū)別：

進口鍛鋼球閥和進口鑄鋼球閥的區(qū)別主要是鋼材的鍛造工藝、加工形式不同：

進口鑄鋼是用以澆注鑄件的鋼。鑄造合金的一種。鑄鋼分為鑄造碳鋼、鑄造低合金鋼和鑄造特種鋼3類。 鑄鋼是指采用鑄造方法而生產(chǎn)出來的一種鋼鑄件。鑄鋼主要用于制造一些形狀復雜、難于進行鍛造或切削加工成形而又要求較高的強度和塑性的零件

 進口鍛鋼是指采用鍛造方法而生產(chǎn)出來的各種鍛材和鍛件。鍛鋼件的質(zhì)量比鑄鋼件高，能承受大的沖擊力作用，塑性、韌性和其他方面的力學性能也都比鑄鋼件高，所以凡是一些重要的機器零件都應當采用鍛鋼件

 鑄造是液態(tài)成型，而鍛造是塑性變形過程，鍛造成型工件可以改善組織內(nèi)部結(jié)構(gòu)，機械性能好，晶粒均勻，重要吃力工件必須鍛造，鑄造會造成組織偏析，組織缺陷，當然鑄造有他的好處，成型復雜工件鍛造不易開模，已采取鑄造

進口鑄鋼球閥產(chǎn)品優(yōu)勢：

1、鑄鋼球閥閥體的剛才采用進口優(yōu)質(zhì)鑄鋼，個耐高溫，耐高壓，耐寒，耐磨的特征 2、 本身結(jié)構(gòu)緊湊，易于操作和維修，適用于水、溶劑、酸和天然氣等一般工作介質(zhì)，而且還適用于工作條件惡劣的介質(zhì)，如氧氣*，甲烷和乙烯等 3、 在全開或全閉時，球體和閥座的密封面與介質(zhì)隔離，介質(zhì)通過時，不會引起閥門密封面的侵蝕。 4、 適用范圍廣，通徑從小到幾毫米，大到幾米，從高真空至高壓力都可應用。 球閥已廣泛應用于石油、化工、發(fā)電、造紙、原子能、航空、火箭等各部門，以及人們?nèi)粘Ｉ钪小?

進口鑄鋼球閥技術參數(shù)：

口徑：15-1500  驅(qū)動方式：手動、電動、氣動  

工作壓差：1.6-42MPA  介質(zhì)溫度：420°C

連接方式：法蘭、絲扣  適用介質(zhì)：水、氣體、油品、蒸汽、液體、顆粒固體

壓力環(huán)境：高壓 密封結(jié)構(gòu)：軟密封、硬密封

Cast steel ball valve

Germany top imported stainless steel ball valve structure and use:

Two and three segments called fixed ball valve monitoring split ball valve, the section with the valve body along the axis perpendicular to the channel is divided into halves asymmetry, which in the pipeline is mainly used for cutting, distribution and change the flow direction of medium. Its pivot structure ensures accurate ball position. Standard seat spring structure, the valve cover to the ball, to ensure a good low pressure sealing performance. The ball valve before and after the valve seat can be sealed, that is the so-called two-way sealing characteristics, the use of the discharge valve, the valve body cavity can be discharged outward. The shaft is made of anti blow out protection structure, low friction coefficient and so on. With excellent performance, high reliability, wide application, reasonable price and so on.

Applicable to: chemical, petroleum, natural gas, metallurgy, and other industries and hydrogen sulfide containing media, impurities and corrosion of natural gas pipeline.

The difference between imported steel ball valve and imported forged steel ball valve:

Imports of forged steel ball valve and the import of steel ball is the main difference between the steel forging process, different processing:

Imported steel is used to cast steel castings. Casting alloy. Cast steels are classified into 3 types: cast carbon steel, cast low alloy steel and cast special steel. Cast steel is a kind of steel castings produced by casting method. Cast steel is mainly used for the manufacture of parts with complex shapes, which are difficult to be forged or machined and require high strength and ductility

Refers to forged steel produced by forging various forging and forging method. Forged steel castings of high quality ratio, can withstand the impact of large, plastic mechanical properties, toughness and other aspects are better than steel castings, so that some important parts of the machine should be used for steel forgings

Is liquid molding and casting, forging plastic deformation process, forging workpiece can improve the internal structure, good mechanical properties, uniform grain, important difficult jobs must be forging, casting can cause segregation defects, of course, there are benefits to type casting, forging complex workpiece is not easy to mold, casting have been taken

Imported steel ball valve product advantages:

1, steel ball valves have imported high-quality steel, a high temperature, high pressure resistance, cold resistant, wear-resistant characteristics 2, itself has the advantages of compact structure, easy operation and maintenance for water, solvents, acids, and natural gas general working media, but also applies to poor working conditions of media, such as oxygen, hydrogen peroxide 3, methane and ethylene, in the fully open or fully closed, the ball and seat sealing surface and the dielectric isolation medium through, will not cause erosion of the valve sealing surface. 4, a wide range of applications from small to a few millimeters, up to a few meters from the high vacuum high pressure can be applied. Ball valve has been widely used in petroleum, chemical, power generation, paper, atomic energy, aviation, rockets and other departments, as well as people's daily lives.

Technical parameters of imported cast steel ball valve:

Caliber: 15-1500 drive mode: manual, electric, pneumatic

Working pressure: 1.6-42MPA medium temperature: 420 C

Connection: flange, thread suitable medium: water, oil, steam, gas, liquid, solid particles

Pressure environment: high pressure sealing structure: soft seal, hard seal