When installing a pinch valve to a rubber, PVC, or any "slick" mating flange, we recommend that you install a metal serrated gasket between the two flanges to assist in the seal.
在安装夹管阀时，如果采用橡胶、PVC或任何“光滑的”配套法兰，则我们建议在两个法兰之间加装一个金属锯齿垫圈以增强密封效果。
In such cases, a metal gasket also not applicable, because the requirements of the compaction force is too large, caused the bolts, make much deformation flange is not easy to seal.
在这种场合，金属垫片也不适用，因为这时要求的压紧力过大，导致螺栓较大的变形，使法兰不易封严。
In such cases, the metal gasket does not apply, because then the pressing force required is too large, resulting in greater deformation of bolts, so difficult to seal flange.
在这种场合，金属垫片也不适用，因为这时要求的压紧力过大，导致螺栓较大的变形，使法兰不易封严。
The pressure cooker with the double leak-prevention seal ring is characterized in that the metal rim (5) is mounted in the center of the rubber gasket(4).
锅构成双重防漏密封圈高压锅其特 征在于胶圈（4）中心安装了有孔金属圈（5）。
The pressure cooker with the double leak-prevention seal ring is characterized in that the metal rim (5) is mounted in the center of the rubber gasket(4).
锅构成双重防漏密封圈高压锅其特 征在于胶圈（4）中心安装了有孔金属圈（5）。
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