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The Model 1500 DRAINANTEST is a compact, single handle ball valve that is 300 PSI rated and features a tamper resistant test orifice. It is designed for use as the 2" main drain and test valve for testing the alarm devices attached to the alarm check valve of wet pipe sprinkler systems. The model 1500 can be ordered with a pressure relief valve as the Model 1511 to meet the requirements of NFPA-13 for gridded wet pipe systems. The Model 1500 is available in 2" BSPT (NPT available on special order) with all specifiable orifice sizes: 3/8" (2.8K), 7/16" (4.2K), 1/2" (5.6K), 17/32" (8.0K), 5/8" (11.2K, ELO), 3/4" (14.0K, ESFR), and K25.
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