We made a drawing to show you how to install the earth ring, you can install the earth ring based on this drawing if you don t know how to do it

Flange Ball Valve

3PC Threaded Ball Valve Designed and manufactured:ASME B16 34 Body material: WCB,CF8,CF8M,etc

W-ML2000 magnetic flap level indicator has following features, on-site indication, remote transmission, alarm control switch in one and can be freely adjusted, full-featured

W-M3000+Emag03GPRS electromagnetic flow meter Can use in water or underground Battery power IP68 protection Dual power support 1 Self-diagnosis 2 Power failure record 3 Alarm（Empty，excitation，high&low etc )