4.2.2 Installation ProcedureIn addition, in the case of detector with FEP lining, make sure to install the gaskets between grounding ringand lining. The gaskets must be installed so as not to protrude into the measurement tube.And install the ground cables to each flange of detector using the M5 screw as needed. The M5 screws,spring washers and washers are prepared to flange. And the ground cables are included in the package.Figure 4.5 GF630, GF632 flowmeter detector piping connectionsGasket(Option for FEP only)(Standard for PTFE)FlangeFigure 4.4 Install of grounding rings and ground cablesGrounding ring(Option for FEP,PU)(Standard for PTFE)Ground cable(Included in the package)M4 screw(Prepared to flange)refer to chapter 10 about thenumber of screwsDetectorLiningM5 screw , spring washer and washer(Prepared to flange)Downstream flangeUpstream flangeLower mounting boltsUpper mounting boltsGasketDetectorFlow directionGasket*Note2*Note2In the case that the piping is non-conductive material, make sure to install the grounding rings(option)to each flange of detector using the M4 screw before piping . The M4 screws are prepared to each flange.