The Flomatic 3144S6 408²S6 3" ball check valve is designed for sewage pumps and applications involving viscous liquids or slurries. This AIS compliant model features a 316 stainless steel body with epoxy coating and access port, providing corrosion resistance and long service life in demanding wastewater environments.

Specifications:

Body: AIS compliant 316 stainless steel with epoxy coating and access port

Connection: 3" Flanged, ASME Class 150

Ball: Nitrile (Buna-N) covered metal sinking ball

Hardware: Stainless steel fasteners

Max Pressure: 150 PSI

Max Temperature: 180°F (80°C)

Weight: 37 lbs

Operation: Under forward flow, the ball lifts to allow passage; when flow stops or reverses, the ball returns to the seat to prevent reverse flow. The sinking ball design provides dependable seating in sewage and suspended-solids service.

Installation: Ball check valves may be installed horizontally or vertically. For all horizontal installations, except those utilizing a floating ball, the orientation of the access cover must face up for proper operation.

Construction: The 316 stainless steel body and cover provide superior corrosion resistance. The Buna-N covered metal ball and stainless-steel fasteners support reliable shutoff and durability in wastewater service.

Applications: Sewage lift stations, wastewater pumping, stormwater systems, sump and solids-handling service, and industrial piping where dependable backflow protection is required.

Flomatic Quality: Flomatic designs and manufactures valves engineered for reliability and long service life, using performance-focused materials proven in water and wastewater systems worldwide.