阀门密封剂介绍（中英文）

什么是阀门密封剂？ / What is Valve Sealant?

在阀口周围形成灵活的可再生密封。

每个润滑旋塞阀的组成部分。

抵抗线路介质的化学侵蚀和溶解特性。

结合基础油、增稠剂和添加剂。

Forms a flexible renewable seal around the valve port.

An integral part of every lubricated plug valve.

Resists chemical attack and dissolving characteristics of line medium.

Combines base oils, thickeners and additives.

为什么要使用阀门密封剂？ / Why Use Valve Sealants?

紧密密封 – 为了确保绝对紧密的密封，密封剂的薄膜在阀门的密封表面之间形成密封。 密封由密封剂形成，密封剂通过阀口周围的通道系统传输。 通过为客户的特定服务选择适当的密封剂，可以在很宽的温度和压力范围内保持密封。

Drop-Tight Seal – To secure an absolutely tight seal, the film of the sealant works to form a seal between the sealing surfaces of the valve. The seal is formed by sealant transmitted through a system of passageways around the valve port. With proper selection of sealant for your particular service, the seal can be retained over a wide range of temperatures and pressures.

润滑 – 通过覆盖轴承不规则处来防止阀门密封服务的金属与金属接触。 无论金属表面研磨得多么精细，金属都是一系列的峰谷。 当一种金属相对于另一种金属滑动时，会产生摩擦，并可能导致粘附、剪切或犁沟。 轴承区域上的密封剂保护膜可防止金属与金属之间的摩擦。

Lubrication – Prevents metal-to-metal contact of the valve sealing services by filming over bearing irregularities. No matter how finely ground a metal surface may be, the metal is a series of peaks and valleys. As one metal slides against another, friction is set up and adhesion, shearing, or plowing may result. A protective film of sealant over the bearing area prevents metal-to-metal rubbing.

可更换阀座 – 无需拆卸润滑阀或停止使用即可更换轻度损坏的阀座。 密封剂作为润滑阀的结构部分，提供了一个灵活且可更换的阀座，消除了强制配合接触以实现密封的必要性。 为此，密封剂不仅必须具有适当的可塑性，而且还必须具有耐溶剂和化学品等管线流体的能力。 即使在压力下，密封剂也能在阀门的密封表面之间形成密封。

Renewable Seat – There is no need to disassemble a lubricated valve or remove it from service to replace mildly damaged seats. Sealant, as a structural part of lubricated valves, provides a flexible and renewable seat, eliminating the necessity of force fit contact to effect a seal. For this purpose, the sealant not only must have proper plasticity, but also resistance to line fluids such as solvents and chemicals. Sealant forms a seal between the sealing surfaces of the valve even under pressure.

旋塞顶升 – 传统润滑旋塞阀设计的基本工作原理在于帕斯卡定律的应用。 该定律指出，施加到密封容器中液体的单位压力会以不减力的方式传递到液体的每个部分，从而使力成倍增加，具体取决于容器内部的面积。 在密封剂注入产生的压力下，密封剂提供液压装置，以便在需要用力来释放塞子时将塞子从其锥形座中提起。

Plug Jacking – The fundamental operating principle of the traditional lubricated plug valve design lies in the application of Pascal‘s Law. The law states that a unit pressure applied to the liquid contained in a sealed vessel is transmitted to every part of the liquid with undiminished force, thus multiplying the force many times, depending on the area of the interior of the vessel. The sealant, under pressure developed by sealant injection, supplies the hydraulic means for lifting the plug from its tapered seat when and if that force is needed to free the plug.

耐腐蚀 – 有助于防止阀门内部腐蚀。

Corrosion Resistance – Helps prevent corrosion of valve internals.

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