The Flomatic 4031S6FVFD 1" 80S6F-VFD stainless-steel foot valve is a high-performance, spring-assisted valve designed for variable flow conditions and VFD-controlled pumps. It features an all 316 stainless-steel body, stainless-steel spring, poppet, stem, screen, and a Buna-N seal (Viton optional). Rated 400 psi and 180°F (80°C).

Specifications:

Max Pressure: 400 psi

Max Temperature: 180°F (80°C)

Body: 316 stainless-steel

Seal: Buna-N (Viton optional)

Spring: 316 stainless-steel

Screen: 316 stainless-steel

Connection: 1" FNPT threaded (ANSI B1.20.1)

Weight: 2.0 lbs

Operation: The 80S6F-VFD stainless-steel foot valve helps maintain pump prime and prevent backflow, closing progressively as flow decreases to minimize hydraulic shock. Designed for VFD-controlled pumps and variable flow conditions.

Construction: All 316 stainless-steel construction provides superior resistance to corrosion and erosion. The stainless-steel screen offers a large open area to reduce head loss and protect the suction line from debris. FNPT threaded ends allow simple installation.

Applications: Stainless-steel water systems, industrial and commercial pumping applications, and installations using VFD-controlled pumps requiring stable, quiet, and durable foot valve performance.