3 in. MNPT x GRV Sprinkler System Check Valve - cULus/FM

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Manufactured of solid brass for use on sprinkler and standpipe systems. Each check valve is tapped (plugged) with a 1/2" or 1/4" IPS port for installation of a system accessory such as a ball drip, sprinkler gauge or other approved device. (1/4" NPT on 2-1/2" diameter valve.)

• Brass Body* (C38000) for superior corrosion resistance
• Listed valves available in the following sizes: 1 Â?"**, 2", 2 Â?", 3" and 4"
• Available Grooved, Threaded, or Thread by Groove reducing the need for additional fittings and minimizing installation time.
• Pressure rated to up to 300 PSI
• Tapped and plugged for easy use of accessories such as ball drips or gauges
• LISTED VALVE NOW AVAILABLE IN 1Â?" SIZE
• *Contains lead. Not for use in water systems intended for human consumption.
• *1-1/2" size is UL/ULc listed only
• Listings and Approvals: UL/ULc Listed FM Approved 1Â?" size UL/ULc Listed but not FM Approved