Custom Anti-Vortex Assemblies | NFPA-22 Fire Tank Fittings

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At Rhino Fittings, we design and manufacture custom anti-vortex assemblies engineered for compliance with NFPA-22 fire protection standards. Whether you are equipping a new tank or upgrading an existing one, our assemblies are built to prevent vortex formation, optimize flow, and ensure a reliable water supply to fire pumps when it matters most.

NFPA-22 Compliant, Code-Ready Design

Our assemblies meet NFPA-22 Section 4.6.4, which requires an anti-vortex plate or device at the suction connection of fire protection tanks. By reducing turbulence and eliminating whirlpool hazards, Rhino Fittings ensures that your fire protection system operates with maximum efficiency, reliability, and safety.

Premium Materials for Long Service Life

We fabricate in 316 stainless steel for maximum corrosion resistance and in carbon steel with hot-dipped galvanization for a cost-effective, durable solution. Both materials are engineered to withstand demanding conditions and deliver decades of dependable performance.

Custom Engineering for Any Tank

Every tank system is unique — that’s why Rhino Fittings specializes in custom anti-vortex assemblies. We manufacture in virtually any diameter, flange size, or bolt pattern to integrate seamlessly with your system. From welded flanges on new tanks to bolt-on retrofits for existing installations, we ensure a perfect fit every time.

Key Features & Benefits

NFPA-22 compliant for fire protection applications
Optimized water flow with reduced turbulence and suction hazards
Fabricated in stainless steel or hot-dipped galvanized carbon steel
Custom-built for both new and existing tanks

Trusted by engineers, installers, and fire marshals nationwide

Applications

Fire protection water storage tanks
Municipal water systems
Industrial process tanks requiring vortex control

Built for Safety. Built to Last.

When fire protection is on the line, compromise is not an option. Rhino Fittings delivers code-compliant, engineered anti-vortex assemblies that provide confidence to engineers, installers, and end-users alike.