欧美性高清bbbbbbxxxxx_最近更新中文字幕在线_亚洲人a成www在线影院_欧美成人久久_国产黄色观看_日韩精品3

What is the difference between ball valves, gate valves and globe valves?

Column:Technical article Time:2020-09-11
Valves are used to control the flow of liquid and gas.Ball valves, gate valves and globe valves are used to control the flow of liquids.These various forms of valves are used to create waterways

Valves are used to control the flow of liquid and gas.Ball valves, gate valves and globe valves are used to control the flow of liquids.These various forms of valves are used to create waterways, so it is important to understand the differences and their USES.

Ball valve is introduced

Ball valves made of sturdy components provide high durability and perform perfectly even after a long idle period.It has a ball made of brass, stainless steel or chrome-plated brass and is embedded in the conduit.At the top of the ball is a lever that shakes only a quarter of a turn.The sphere allows water to flow when the horizontal plane is parallel to the pipe.A solid ball prevents water flow when the lever is perpendicular to the pipe.Water flow is controlled by moving the lever from 0 to 90 degrees from the angle of the pipe to which it is attached.
On the other hand, you can make the water part flow through the pipe by holding the lever between the two limits, but the pipe may become deformed due to water pressure.
The advantage of this valve is that you can open or close it easily and quickly.However, water will always hammer the sides of the ball and pipe unless it is fully opened to guide the water.

Globe valve introduction

Globe valves are wheel-based valves that, when opened, reduce water flow through the pipeline by means of a set of retaining rings fixed in a spherical body.Globe valves consist of a spherical area divided in two by the opening that forms the seat.On this seat, the plug can be tightened using a wheel that controls or completely stops the flow of water.
Whether the stop valve is open or closed, especially when partially open, is difficult to understand.In addition, it cannot be operated with one hand as a ball valve.

Gate valve is introduced

Gate valves are used to control the flow of liquids and are usually operated by turning the wheels and moving the gate valve up and down.When the wheel is turned to lower the gate, the wheel reaches its lowest position, which prevents the flow of water.When the wheel is operated in the opposite direction, the gate is in the highest position and water can flow unimpeded.
It is easy to see where the gate valve is located by looking at the rising stem as part of the gate valve.If the stem rises and is visible, the gate valve is open; if the stem is not visible, the gate valve is closed.
Gate valves remain in contact with running water and are therefore highly susceptible to corrosion, subsequent failure and ultimately rupture.The water hammer has little chance because it operates slowly.It should be used in open or closed conditions and may be damaged by water pressure and vibration if improperly retained.


主站蜘蛛池模板: 涩涩网站在线 | 在线精品一区二区 | 91久久国产精品视频 | 69pao强力打造免费高清在线 | 亚洲精品国产综合久久一线 | a樱花福利影院 | 美女一区二区三区视频 | 老司机狠狠干 | 国产99久久一区二区三区 | 日本片成人在线 | 99re热久久这里只有精品6 | 99国产精品永久免费视频 | 色爱综合区女女 | 亚洲精品女人久久久 | 免费乱理伦片在线观看2017 | 91精品国产99久久久久 | 亚洲人精品午夜 | wwxx在线观看免费 | 完美世界免费观看完整 | 人人爽人人爽人人片 | 亚洲国产97色在线张津瑜 | 色妞色视频一区二区三区四区 | 草草成人影院 | 欧美精品免费一区二区 | 国产精品久久久久久久白丝 | 国产第一区在线 | 日本道dvd久久综合 久久亚洲精品国产亚洲老地址 | 亚洲精一区 | 91久久久久久久久久久久 | 国产精妇在线观看第一区 | 国产乱辈通伦影片在线播放亚洲 | 精品欧美乱码久久久久久1区2区 | 综合网视频 | 免费国产A国产片高清网站 亚洲AV日韩AV男人的天堂在线 | 高清国产福利在线观看 | 久久精品国产一区二区三 | 日韩欧美精品一区二区 | 俄罗斯ZOOM与人性ZOOM | 午夜精品一区二区三区在线视 | 西出玉门40集全免费播放 | 国产传媒免费 |