The Flomatic 4077S6VFD 4" 80MS6VFD – All 316 stainless-steel threaded male x female Check Valve is rated for a maximum working pressure of 450 psi. MAX TEMP: 180°F (80°C).

The Flomatic 4077S6VFD 4" 80MS6VFD is a premium all stainless-steel spring check valve designed for water, VFD-controlled pump, and industrial applications. This model features high corrosion resistance, lead-free construction, and reliable performance under demanding conditions.

80MS6VFD series – All 316 stainless steel male x female threaded check valve body. Features a stainless-steel spring, poppet and a Nitrile (Buna-N) seal optimized for Variable Frequency Drive (VFD) pump systems.

Specifications:

NSF/ANSI 61 and 372 approved

Max Pressure: 450 psi

Max Temperature: 180°F (80°C)

Body: 316 Stainless Steel

Inlet / Outlet: 4" M x 4" F

Weight: 30 lbs

Operation: Flomatic Model 80MS6VFD stainless steel check valves are designed to provide years of trouble-free service when properly sized and installed in a suitable pumping application, especially where VFD-controlled pumps are used to reduce hydraulic shock and water hammer.

Construction: The Flomatic check valve body is engineered to handle the rated system pressures and flows, while providing dependable backflow prevention in water distribution, well, and booster pumping systems.

Proud to manufacture high-quality valves built to last since 1933, Flomatic® Valves is an American valve manufacturer certified under ISO 9001 and ISO 14001 quality and environmental management systems.

Features & Benefits:

• NSF/ANSI 61 and 372 approved
• All 316 stainless-steel construction
• VFD-optimized spring and poppet design
• Corrosion-resistant internals
• Nitrile (Buna-N) seal for tight shutoff
• Low head loss and smooth flow

Applications:

• VFD-driven well water pump systems
• Water distribution and booster systems
• Irrigation and agricultural systems
• Submersible and vertical turbine pump installations
• Industrial and commercial water systems
• Sprinkler and general utility water systems