Is suitable for through flange valve sealing pressure and valve body intensity pressure performance test.

适用于直通法兰式阀门的密封压力和阀体强度压力性能试验。

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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。

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For ease of installation, insert all flange bolts through the valve flange and then through the sleeve flange, but do not let the bolts extend beyond the surface of the flange rubber (See Figure 4).

为了使安装容易些，可以将所有法兰螺栓穿过阀门法兰，然后穿过套管法兰，但是不要让螺栓超过法兰橡胶表面(参阅图4)。

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