Flomatic 4221SS2VFD 1-1/4" 100MSSVFD – Stainless Steel VFD Check Valve

The Flomatic 4221SS2VFD 1.25" M x 1.0" F 100MSSVFD – all stainless-steel, threaded male x female VFD check valve is rated for a maximum working pressure of 400 psi. MAX TEMP: 180°F (80°C).

The Flomatic 4221SS2VFD 1.25" M x 1.0" F 100MSSVFD is a premium all stainless-steel spring check valve designed for water and general pump applications, including submersible and booster systems. The patented VFD design, stainless steel spring, Delrin poppet, and Nitrile (Buna-N) seal provide quiet operation, excellent corrosion resistance, and reliable sealing performance.

100MSSVFD series – All stainless-steel body with threaded male x female connection and composite poppet and guide. Features a stainless-steel spring, Delrin poppet, and Nitrile (Buna-N) seal. Compatible with VFD-controlled pumps and soft-start systems. Maximum temperature 180°F (80°C). Maximum working pressure 400 psi.

Specifications:

Max Pressure: 400 psi

Max Temperature: 180°F (80°C)

Body: Stainless Steel

Inlet / Outlet: 1.25" M x 1.0" F

Weight: 1.4 lbs

Operation: Flomatic 100MSSVFD stainless steel VFD check valves are engineered to provide years of trouble-free service when properly sized and installed in suitable pumping applications. The internal spring-loaded poppet closes quickly to help reduce reverse flow and minimize hydraulic shock in water systems, especially in variable speed and soft-start applications.

Construction: The Flomatic 100MSSVFD valve body is designed to handle rated system pressures and flows while providing dependable backflow prevention in water distribution, well, and booster systems. The stainless-steel body and internal components offer excellent resistance to corrosion across a wide range of water conditions.

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:

• All stainless-steel body construction
• Patented VFD check valve design for use with variable frequency drive systems
• Composite Delrin poppet and guide with stainless steel spring
• Nitrile (Buna-N) seal for tight, reliable shutoff
• Corrosion-resistant internal components
• Low head loss and smooth flow characteristics
• Lead-free construction suitable for potable water applications

Applications:

• Well water and submersible pump systems
• Water distribution and booster pump systems
• Irrigation and agricultural water systems
• Industrial and commercial water supply systems
• Sprinkler and general utility water systems