Inner Plug Spring Check Valve
The Inner Plug Spring Check Valve, strategically installed at the water meter’s inlet connection, serves as a critical backflow prevention device. Its spring-assisted sealing mechanism actively blocks reverse water flow from the meter towards upstream piping systems.
| Size | DN8-DN20 |
|---|---|
| Material | Plastic |
Inner Plug Spring Check Valve
The Inner Plug Spring Check Valve, strategically installed at the water meter’s inlet connection, serves as a critical backflow prevention device. Its spring-assisted sealing mechanism actively blocks reverse water flow from the meter towards upstream piping systems.
This precise hydraulic control eliminates phantom water usage registration caused by pressure fluctuations, ensuring billing accuracy. The compact inline design requires minimal maintenance while providing 0.15-1.0 MPa pressure range compatibility.
Certified to AWWA C508 standards, its stainless steel spring and EPDM sealant deliver 200,000+ cycle durability in potable water systems.
Size: DN8-DN20
Material: Plastic
