description

Everfilt® 4-Inch High-Pressure Backwash Valve – Built for Demanding Filtration Applications

The Everfilt® 4-Inch High-Pressure Backwash Valve is purpose-built for filtration systems operating under elevated pressure conditions, delivering reliable performance in both filtration and backwash modes through a 3-port, two-way design. It ensures unrestricted flow in either position for maximum system efficiency.

Engineered from high-strength ductile iron, this valve is coated with NSF-approved 3M-134 interior epoxy and a fuze-coated exterior for superior corrosion protection in aggressive environments.

Key Benefits of the 4-Inch High-Pressure Backwash Valve
 

• Ideal for high-pressure filtration systems across industrial, municipal, and agricultural applications

• Combines filtration and backwash modes in one robust unit

• Full-flow design in both valve positions

• Rugged ductile iron body with NSF-certified interior coating

• Service and flush ports for fast, field-friendly maintenance

• Designed for hydraulic or pneumatic actuation

Whether integrated into a new installation or retrofitted into existing systems, the Everfilt® High-Pressure Backwash Valve is a critical control component trusted for its strength, simplicity, and long-term reliability in the most challenging operational settings.

features

total length: 15.5"
total height: 8"

psi: 250 max 
gpm: 175 [cv]
operation: manual, automatic, pneumatic, hydraulic

construction: ductile iron
COATINGS: 3m-134 epoxy coating / fuze coat