不锈钢球阀厂家为您详细分析：铜球阀和不锈钢球阀的区别在哪里？
The stainless steel ball valve manufacturer makes a detailed analysis for you: What is the difference between copper ball valve and stainless steel ball valve?
铜球阀和不锈钢球阀有一下五点区别：
There are five differences between copper ball valve and stainless steel ball valve:
1、材质不同：它们采用的材质完全不同，铜球阀采用的材料主要以铜组成。，不锈钢球阀采用的是不锈钢。
1. Different materials: they are made of completely different materials. The copper ball valve is mainly made of copper., Stainless steel ball valve is made of stainless steel.
2、耐腐蚀性不同：铜球阀耐腐蚀性比不锈钢球阀好，开关操作顺畅省力，耐久不漏。不锈钢不会产生腐蚀、点蚀、锈蚀或磨损以及耐高温。一般不锈钢的贵点了。
2. Different corrosion resistance: the corrosion resistance of copper ball valve is better than that of stainless steel ball valve. The switch operation is smooth, labor-saving and durable. Stainless steel will not produce corrosion, pitting, rust or wear and is resistant to high temperatures. Generally, stainless steel is more expensive.
3、温度不同：按相同压力环境下，如果介质温度不超过80度，则用不锈钢球阀就可以了，如果温度超过80度则必需要用铜球阀。
3. Different temperatures: under the same pressure environment, if the medium temperature does not exceed 80 degrees, stainless steel ball valves can be used; if the temperature exceeds 80 degrees, copper ball valves must be used.
4、不同：铜球阀造价材料比较贵，不锈钢球阀造价材料比铜球阀便宜。
4. Price difference: copper ball valve is more expensive, while stainless steel ball valve is cheaper than copper ball valve.
5、适用物质不同：不锈钢球阀可用于控制空气、水、蒸汽、各种腐蚀性介质、泥浆、油品、液态金和放射性介质等各种类型流体的流动；铜球阀适用于水、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。
5. Applicable substances are different: stainless steel ball valves can be used to control the flow of air, water, steam, various corrosive media, mud, oil, liquid gold, radioactive media and other types of fluids; Copper ball valves are suitable for general working media such as water, solvent, acid and natural gas, and also for media with poor working conditions, such as oxygen, hydrogen peroxide, methane and ethylene.
不锈钢球阀
Stainless steel ball valve
不锈钢球阀只需要用旋转90度的操作和很小的转动力矩就能关闭严密。完全平等的阀体内腔为介质提供了阻力很小、直通的流道。球阀的主要特点是本身结构紧凑，易于操作和维修，不锈钢球阀可用于控制空气、水、蒸汽、各种腐蚀性介质、泥浆、油品、液态金属和放射性介质等各种类型流体的流动。球阀阀体可以是整体的，也可以是组合式的。本类阀门在管道中一般应当水平安装。
The stainless steel ball valve can be closed tightly with only 90 degree rotation operation and small rotation torque. The completely equal inner cavity of the valve body provides a straight flow passage with little resistance for the medium. The main characteristics of the ball valve are its compact structure, easy operation and maintenance. The stainless steel ball valve can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. The valve body of the ball valve can be integral or combined. This type of valve shall be installed horizontally in the pipeline.
铜球阀
Copper ball valve
铜球阀是本身结构紧凑，密封可靠，结构简单，维修方便，密封面与球面常在闭合状态，不易被介质冲蚀，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，在各行业得到广泛的应用。球阀阀体可以是整体的，也可以是组合式的。
The copper ball valve is compact in structure, reliable in sealing, simple in structure, and easy to maintain. The sealing surface and spherical surface are often closed, not easily eroded by the medium, and easy to operate and maintain. It is suitable for general working media such as water, solvent, acid, natural gas, and also for media with poor working conditions, such as oxygen, hydrogen peroxide, methane, ethylene, etc. It is widely used in various industries. The valve body of the ball valve can be integral or combined.
分类：
Classification:
不锈钢球阀分类
Classification of stainless steel ball valves
1.不锈钢气动球阀，不锈钢电动球阀，不锈钢手动球阀。不锈钢球阀材质分为304,316,321不锈钢球阀。
1. Stainless steel pneumatic ball valve, stainless steel electric ball valve, stainless steel manual ball valve. Stainless steel ball valves are made of 304316321 stainless steel ball valves.
2.不锈钢球阀靠旋转阀芯来使阀门畅通或闭塞。球阀开关轻便，体积小，可以做成很大口径，密封可靠，结构简单，维修方便，密封面与球面常在闭合状态，不易被介质冲蚀，在各行业得到广泛的应用。只有它的关闭件是个球体，球体绕阀体线作旋转来达到开启、关闭的一种阀门。
2. The stainless steel ball valve is unblocked or blocked by rotating the valve element. The ball valve is light to open and close, small in size, can be made into a large diameter, reliable in sealing, simple in structure, and convenient in maintenance. The sealing surface and spherical surface are often closed, and are not easy to be eroded by the medium. It is widely used in various industries. Only its closing part is a sphere, which rotates around the center line of the valve body to open and close the valve.
铜球阀分类
Classification of copper ball valves
1.按铜球阀结构型式分类：浮动球式、固定球式。主要产品例如：法兰浮动球阀、固定球两片式球阀、固定球软密封球阀、衬氟球阀、固定球不锈钢高温球阀等。2.按铜球阀流通型式分类：直通式、三通式、四通式、五通式。主要产品例如：直通一片式球阀、三通法兰球阀等。3.按铜球阀装配形式分类：一体式、二体式、三体式、上装式。主要产品例如：两体衬氟球阀、三体不锈钢球阀、上装式球阀等。4.按铜球阀流道直径分类：全通径式、缩径式。主要产品例如：全通径法兰球阀、缩径式球阀等。铜球阀和不锈钢球阀的优点:
1. Classification according to the structural type of copper ball valve: floating ball type and fixed ball type. Main products include: flanged floating ball valve, fixed ball two-piece ball valve, fixed ball soft seal ball valve, fluorine lined ball valve, fixed ball stainless steel high-temperature ball valve, etc. 2. Classification according to the flow type of copper ball valve: straight, three-way, four-way and five way. The main products are: straight one piece ball valve, three-way flange ball valve, etc. 3. Classification according to the assembly form of copper ball valve: integrated type, two body type, three body type and top mounted type. The main products are: two body fluorine lined ball valve, three body stainless steel ball valve, top mounted ball valve, etc. 4. Classification according to the flow passage diameter of copper ball valve: full bore type and reduced bore type. The main products are: full bore flanged ball valves, reduced bore ball valves, etc. Advantages of copper ball valve and stainless steel ball valve:

1.流体阻力小，其阻力系数与同长度的管段相等。
1. The fluid resistance is small, and its resistance coefficient is equal to that of pipe sections of the same length.
2.结构简单、体积小、重量轻。
2. Simple structure, small volume and light weight.
3.紧密可靠，球阀的密封面材料广泛使用塑料、密封性好，在真空系统中也已广泛使用。
3. It is tight and reliable. The sealing surface material of the ball valve is widely made of plastic with good sealing performance. It has also been widely used in the vacuum system.
4.操作方便，开闭迅速，从全开到全关只要旋转90°，便于远距离的控制。
4. It is easy to operate and can be opened and closed quickly. Only 90 ° rotation is required from full opening to full closing, which is convenient for remote control.
5.维修方便，球阀结构简单，密封圈一般都是活动的，拆卸更换都比较方便。
5. It is easy to maintain, the ball valve is simple in structure, the sealing ring is generally movable, and it is convenient to disassemble and replace.
6.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。
6. When the valve is fully opened or closed, the sealing surfaces of the ball and valve seat are isolated from the medium. When the medium passes through, it will not cause erosion of the valve sealing surface.
7.适用范围广，通径从小到几毫米，大到几米，从高真空高压力都可应用。
7. It has a wide range of applications, ranging from a few millimeters to several meters in diameter, from high vacuum to high pressure.
铜球阀和不锈钢球阀的使用方法:
Usage of copper ball valve and stainless steel ball valve:
1、操作前须确认管路和阀已被冲洗过。
1. Before operation, confirm that the pipeline and valve have been flushed.
2、阀的操作按执行机构输入信号大小带动阀杆旋转完成：正向旋转1/4圈(900)时，阀关断。反向旋转1/4圈(900)时，阀开启。
2. The operation of the valve will drive the valve rod to rotate according to the input signal of the actuator: when it rotates 1/4 circle (900) in the positive direction, the valve will be closed. The valve opens when it is rotated 1/4 turn (900) in the opposite direction.
3、当执行机构方向指示箭头与管线平行时，阀门为开启状态;指示箭头与管线垂直时，阀门为关闭状态。
3. When the direction indicating arrow of the actuator is parallel to the pipeline, the valve is open; When the indicating arrow is perpendicular to the pipeline, the valve is closed.
铜球阀和不锈钢球阀安装和维修
Installation and maintenance of copper ball valve and stainless steel ball valve
球阀安装：
Ball valve installation:
1、必须确认管路和阀操作前已经清洗过了。
1. It must be confirmed that the pipelines and valves have been cleaned before operation.
2、阀门的执行机构操作根据输入信号的大小带动阀杆旋转完成：正向旋转1/4圈(900)时，阀关断。反向旋转1/4圈(900)时，阀开启。
2. The actuator operation of the valve drives the valve rod to rotate according to the size of the input signal: when it rotates 1/4 circle (900) in the positive direction, the valve is closed. The valve opens when it is rotated 1/4 turn (900) in the opposite direction.
3、当执行机构方向指示箭头与管线平行时，阀门打开；箭头与管线垂直时，阀门关闭。
3. When the direction indicating arrow of the actuator is parallel to the pipeline, the valve opens; When the arrow is perpendicular to the pipeline, the valve is closed.
球阀维修：
Ball valve maintenance:
有更长的使用寿命和免维护时间，将取决于几个因素：正常的工作条件下，保持和谐的温度/压力比，以及合理的腐蚀数据。
A longer service life and maintenance free time will depend on several factors: maintaining a harmonious temperature/pressure ratio under normal working conditions, and reasonable corrosion data.
注意：球阀在关闭状态下，阀体内的流体压力依然存在
Note: When the ball valve is closed, the fluid pressure in the valve body still exists
维修前，拆下管线压力并使阀门处于打开位置
Before maintenance, remove the line pressure and leave the valve in the open position
维修前，断开电源或气源
Disconnect the power or air supply before maintenance
维修前，将执行机构与支架脱离
Detach the actuator from the bracket before maintenance
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