Irritrol 2500TF Globe Valve Threaded with Flow Control, 1" Patented floating metering system - Allows this valve to easily handle dirty water High-flow, low friction loss design combined with low-flow capability - Can handle a wide range of applications Rugged, double-beaded SANTOPRENE diaphragm - Ensures a leak-proof seal Internal and external bleed (flush mode) - Allows for manual operation Available in female NPT or slip configurations