seal supply pressure 中文意思是什麼
seal supply pressure
解釋
密封供應壓力-
Xh rubber slowly - closing cut - off vavle is a new water supply and drainage vavle with full rubber structure, duck - mouthed appearance and functions or positive flow - in and reserve cut - off. according to thrust analysis and calculation as well as different operation mechanism and different rubber products by special processing. all will be open at weak hydraulic pressure is higher, the vavle gate will open more greatly and the water flow is greater. at reserve operation, the vavle gate closes naturally and seals tightly cut - off vavle ; the back pressure is higher, the vavle gate closes more tightly and the seal effect is better. it is used widely in various drainage exit to prevent from pouring backwards and flowing backwards in city planning, water conservancy and sewage disposal etc. it is the ideal productto replace flap vavle
Xf型橡膠緩閉逆止閥是一種全橡膠結構外形呈「鴨嘴狀」 ，具有「正向流入反向逆止」功能的新型給排水閥門產品。它根據受力分析和受力計算，針對不同的工況，採用不同的設計機理，選用不同的橡膠配方，並按特殊工藝製作而成。正向工作時，水由進水口流入，微小的水壓，便能打開閥門，水壓越大，閥門開啟越大，水流量越大。 -
After comparing three repair scenarios, the following methods were chosen : injecting modified mud to heading face through mud supply tubes of the shield construction machine to block water seepage on the heading face ; then maintenance worker entering the cabin under pressure to replace damaged seal and press cutterhead
經分析對比，最終選擇了從盾構機供漿管道向刀盤掘進面壓注改性泥漿，對掘進面進行封堵止水，維修人員帶壓進艙，更換密封與壓盤的方法。
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