Rapidrop 306 Grooved Swing Check Valve 3″ FM Approved, UL Listed

SKU: Rapidrop-0045

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The Rapidrop Fig. 306 is a 3-inch (DN80) automatic, grooved-end swing check valve designed to permit unidirectional water flow and prevent backflow in fire protection piping. Certified with global FM Approval and a full UL Listing, this high-pressure valve features a rugged ductile iron body, an EPDM resilient seated disc assembly, and an optimized internal profile rated for up to 365 psi.

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Category: Fire Fighting Valves

Brand: Rapidrop

Description

The Rapidrop Fig. 306 is an industrial-grade 3-inch (DN80) grooved fire protection swing check valve engineered to automatically prevent reverse fluid flow within water supply and fire sprinkler systems. Built with a high-strength ductile iron body and factory-profiled mechanical grooved ends, it integrates quickly into piping networks using standard couplings to eliminate flanging or welding labor. The valve features a heavy-duty spring-loaded clapper configuration faced with a resilient EPDM elastomer, ensuring a bubble-tight seal against a corrosion-resistant seat even under low backpressure conditions. Its streamlined full-bore interior minimizes fluid turbulence and limits pressure loss during high-flow demand. Ready for demanding configurations, it is rated for an enhanced maximum working pressure of 25.2 bar (365 psi) and is finished inside and out with a fusion-bonded epoxy layer to counter scaling and environmental corrosion.

Features

Automatic Backflow Prevention: Engineered with a responsive, gravity-assisted spring clapper that instantly closes shut upon flow reversal to protect upstream fire infrastructure.
High Pressure Rating Threshold: Advanced robust design accommodates severe-service fire environments with a maximum working pressure handling capacity of up to 365 psi (25.2 bar).
Rapid Grooved Joint Integration: Built with factory-profiled grooved ends, allowing fast alignment with standard mechanical couplings to bypass welding, threading, or heavy flange-bolting labor.
Versatile Orientation Deployment: Hydrodynamically optimized internal layout permits reliable structural installation in both horizontal and vertical (upward flow direction only) pipelines.
Bubble-Tight Resilient Sealing: Features a precision-molded EPDM elastomer layer over the clapper that seals firmly against the body ring to stop low-pressure fluid tracking.
Fusion-Bonded Epoxy Barrier: Coated thoroughly inside and out with an industrial-grade protective epoxy finish that blocks environmental rusting and prevents hard water mineral scale buildup.

Specifications

Brand Name: Rapidrop Global Ltd
Model Number: Fig. 306
Nominal Valve Size: 3 inches (DN80 / 88.9 mm O.D.)
Maximum System Working Pressure: 25.2 bar (365 psi)
End Connection Type: Grooved ends (Double groove pattern matching standard AWWA C606 mechanical pipe coupling specifications)
Internal Sealing Configuration: Resilient EPDM rubber-faced clapper against a high-grade brass/bronze seat
Chassis Coating Protection: Thermally applied internal and external fusion-bonded epoxy coating in accordance with ANSI/AWWA C550
Working Temperature Range: -10°C to 120°C (14°F to 248°F)
Life Safety Certifications: Factory Mutual (FM) Approved, Underwriters Laboratories (UL) Listed

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