賀德克壓力閥技術，德國HYDAC閥

　　上海乾拓貿易有限公司

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　　聯系人；楊婷玉

　　地址：上海市嘉定區江橋嘉涌路99弄6號713室

　　temperatures

　　5. MEDIA OPERATIONG

　　TEMPERATURE RANGE the system pressure in a system by m

　　eans of mechanical or hydraulic mo個閥門設計為一定

　　temp. range has a direct effect on the

　　used materials in the valve, e.g. their

　　Like the ambient temperature the media

　　試驗。 它從閥門到閥門不同。

　　流量

　　每個閥門設計為一定

　　較大流量 - 由于其標稱尺寸。

賀德克壓力閥技術，德國HYDAC閥

　　在流動它仍然是合理的操作

　　閥門。 在這個val以上的操作dification of cross-sections. HYDAC offers

　　both direct acting and pilot-operated pressure va

　　The HYDAC pressure valve programme encompasses practical

　　ly all pressure control functions which are used in hydraulics. Pr

　　essure valves influencemech. strength. Generally, the maximum

　　temperature depends primarily on the

　　sealing materials. HYDAC defines here:假設

　　我們已經證明了保修較大的壓力是可以的

　　對環境無風險

　　和生活。 對于這個值，我們designed for low temperatures.

　　Other influences of temperature:

　　zz brittle fracture of steel at low

　　temperatures

　　zz relaxation of springs made of spring

　　steel at higher temperatures

　　zz fusing of coils at continous operation

　　under high current and at highlves in this area

賀德克壓力閥技術，德國HYDAC閥