The design of dome valve Development and Desing of Plug for Seal

密封 堵塞的发展和设计

A type of dual slots helix hoisting composite valve switch mechanism which is suitable for ball valves butterfly valves and plug valves is introduced .

介绍了一种适用于球阀、蝶阀和 旋塞阀双轨道旋转和升降复合 动作 的 启闭结构。

The utility model belongs to an improvement for a safety valve of a pressure cooker comprising a valve body connecting nuts and a plug .

本实用新型属于压力锅安全阀的改进，由 阀体、连接螺母和 丝堵组成。

The water path switching mechanism of the valve is composed of a push rod a spring a spring seat a valve plug etc.

阀的水路转换机构由推杆、弹簧、弹簧座、 阀门 塞等组成。

Float collar is a one-way valve which is used to prevent the cement slurry from coming up into the casing after the grouting completed so as to control the height of the cement plug .

浮箍是一个单向 阀，其功能是在注水泥后阻止水泥浆进入套管内，从而控制水泥 塞高度。

2 Hardness influence life but is not the absolute factor under same degree of hardness the material that has the anti-skiving ability and red rigidities can prolong the life span of the valve plug ;

硬度的高低对阀芯的寿命有一定影响，但不是决定阀芯寿命的绝对因素，不同的材料在同一硬度下，具有抗磨性和红硬性的材料可以延长 阀芯的寿命；

Resilient inserts are available for globe piston and swing check discs . Changing valve through fishable pipe bridge plug without killing well

可以为截止 阀、活塞或旋启式止回 阀 阀瓣提供弹性镶嵌物。利用可捞式油管桥 塞不压井更换井口 闸门技术

Changing valve through fishable pipe bridge plug without killing well

利用可捞式油管桥 塞不压井更换井口 闸门技术

This paper introduces the application of the valve terminal in the pneumatic system of cigarette making and Plug Assembling combination .

本文介绍了 阀岛在卷 接机组气动系统的应用。

The influence of the degree of hardness to the valve plug life span is big with the exaltation of the material degree of hardness the valve plug life span also has the significant exaltation ;

材料的硬度对 阀芯寿命的影响很大，随着材料硬度的提高，阀芯寿命有着大幅度的提高；

The reversing driving device of the valve plug has the advantages of reasonable structure good stopping property high precision easy to process and suitable for the multi-channel conversion valve .

其 阀芯旋转驱动装置结构合理，密封性好，精度高，便于加工，适合多路换向阀。

Pneumatic valve was evolved from the plug .

气动 球阀是由 旋塞 阀演变而来。

The influence to the valve plug life span of the sealing face with the conicity in 40 °~ 60 ° is not big .

密封面锥度在40°～60°（既冲蚀角为20°～30°）之间对 阀芯的寿命影响不大。

3-D numerical simulation of welding spherical valve core Inferential Reasoning on the Mathematical Model of Value Plug of Control Value

球形 阀芯缩 口工件的焊接三维数值模拟调节阀 柱塞型 阀芯形面数学模型推导

A Method of Fine Steel Wire Aiming Used in Machining Valve Body and Valve Plug

琴线 找正法在阀体、 活门加工中的应用

The utility model relates to a single-action two-way equalizing valve comprising a valve body a valve plug a valve rod a pressing cover a compensating cushion ring etc.

本实用新型是一种单动双通平衡阀，由阀体、 阀 塞、阀杆、压盖、补偿垫圈等组成。

A small cock or faucet or valve for letting out air or releasing compression or draining . CYLINDER BLOCK COOLANT DRAIN PLUG

放出空气或浓缩或排泄的小栓或旋塞或 阀。汽缸体冷却剂放油 旋塞

The pump consists of swirl nozzle valve cover plug assemble and sand scratcher .

该泵采用了旋转接头、螺旋 阀罩、 柱塞总成、刮砂器于一体的多功能防砂结构，具有 排而不卡和漏失量小的特点。

Pneumatic valve and plug valve of a type is the same only it 's shut down parts of a sphere the sphere rotates around the body center line to achieve the opening and closing a valve .

气动 球阀 和 旋塞阀是同属一个类型的阀门，只有它的关闭件是个球体，球体绕阀体中心线作旋转来达到开启、关闭的一种阀门。

Then as the plug valve is lifted off its seats any accumulation below the plug or on the seats will be blown back into the line .

然后，当旋塞 阀升离阀座时，任何累积在 阀 塞或阀座上的吹入物质都将被吹回到管路内。