进口铸钢球阀
德国托普进口铸钢球阀结构及用途：
两分式和三段式固定球阀又称测装分体式球阀，将阀体沿与阀门通道轴线相垂直的截面分为不对称的左右两半，它在管道上主要用于切断、分配和改变介质流动方向。它的枢轴结构保证了准确的球体位置。标准阀座采用弹簧结构，将阀盖推向球体，保证了良好的低压密封性能。该球阀阀前、阀后阀座都能密封， 即所谓双向密封特性，利用自带的排放阀，阀体中腔可向外排放。枢轴采用防吹出保护结构，低摩擦系数的轴承等。具有性能优异，可靠性高，用途广泛，价格合理等优点。
适用于：化工、石油、天然气、冶金、等行业及含硫化氢介质、杂质多、腐蚀严重的天然气长输管线。
进口铸钢球阀与进口锻钢球阀的区别：
进口锻钢球阀和进口铸钢球阀的区别主要是钢材的锻造工艺、加工形式不同：
进口铸钢是用以浇注铸件的钢。铸造合金的一种。铸钢分为铸造碳钢、铸造低合金钢和铸造特种钢3类。 铸钢是指采用铸造方法而生产出来的一种钢铸件。铸钢主要用于制造一些形状复杂、难于进行锻造或切削加工成形而又要求较高的强度和塑性的零件
进口锻钢是指采用锻造方法而生产出来的各种锻材和锻件。锻钢件的质量比铸钢件高，能承受大的冲击力作用，塑性、韧性和其他方面的力学性能也都比铸钢件高，所以凡是一些重要的机器零件都应当采用锻钢件
铸造是液态成型，而锻造是塑性变形过程，锻造成型工件可以改善组织内部结构，机械性能好，晶粒均匀，重要吃力工件必须锻造，铸造会造成组织偏析，组织缺陷，当然铸造有他的好处，成型复杂工件锻造不易开模，已采取铸造
进口铸钢球阀产品优势：
1、铸钢球阀阀体的刚才采用进口优质铸钢，个耐高温，耐高压，耐寒，耐磨的特征 2、 本身结构紧凑，易于操作和维修，适用于水、溶剂、酸和天然气等一般工作介质，而且还适用于工作条件恶劣的介质，如氧气过氧化氢，甲烷和乙烯等 3、 在全开或全闭时，球体和阀座的密封面与介质隔离，介质通过时，不会引起阀门密封面的侵蚀。 4、 适用范围广，通径从小到几毫米，大到几米，从高真空至高压力都可应用。 球阀已广泛应用于石油、化工、发电、造纸、原子能、航空、火箭等各部门，以及人们日常生活中。
进口铸钢球阀技术参数：
口径：15-1500 驱动方式：手动、电动、气动
工作压差：1.6-42MPA 介质温度：420°C
连接方式：法兰、丝扣 适用介质：水、气体、油品、蒸汽、液体、颗粒固体
压力环境：高压 密封结构：软密封、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
