ASTM Certified|FM Approved|UL Listed|Vds Approved

• Cold formed from steel conforming to ASTM-grade Inner nipples employ two "O-rings" to provide added assurance of sealing The "F" model is designed to keep "O-rings" from impinging upon the 1 in (1") inlet threads when fully retracted The bore of the outer nipple is precision formed to a close tolerance while held to a micro finish of 50 to provide for positive sealing of the "O-rings" Each unit is hydrostatically tested to insure O-ring integrity prior to shipment Each unit is marked with a lot number to insure full traceability Qualifying tests on all models are performed at 1500 psi, while the various models are rated for 300 psi operation Threads are cut to be better than or equal to the requirements of ANSI B1.20.1, NPT or ISO-7-1 threads

Merit® Eliminator adjustable drop nipples provide the user with the ability to adjust fire sprinkler assemblies (concealed, recessed or pendent) to fit flush to the finished ceiling without having to cut a drop nipple or drain the system.