Fréijoer ass noutwendeg:

Fréijoer ass noutwendeg ass ënner der nut installéiert der nut ze verhënneren aus loosening.

Fréijoer washers sinn benotzt loosening ze verhënneren. Flaach washers hun keen Anti-loosening Funktioun. Flaach washers nëmmen de Kontakt Beräich Erhéijung.

The flat pad is just to increase the contact area, and the spring pad can prevent loosening. For example, the bolt connecting the motor and the base is generally added with a spring pad, because if the motor vibrates without the spring pad, the nut will loosen and the fastening on the equipment with vibration is generally There are spring gaskets on the parts, and generally no gaskets are required on the flange! The addition of spring gaskets on the flange is related to the medium flowing through the pipeline. If pulses are easy to produce, it is best to add spring gaskets, as well as high speed. Fluids, calibers change frequently. Don't generalize. On some valves, stuffing box gland flanges need spring gaskets. Spring gaskets are included in Quick, Easy, and Optimal Selection.

Déi flaach Heft ass benotzt der weede Kontakt Beräich ze klammen. Fréijoer Heft ass fir Plazen mat eben benotzt loosening ze verhënneren. Et gëtt keng Fréijoer ass noutwendeg fir PVC flanges weede. Déi flaach Heft ass de Kontakt Géigend a verhënneren Reiwung tëscht der eben an der workpiece zu Erhéijung; Fréijoer Heft ass de eben aus loosening ze verhënneren;