Compatible with Rosemount® Coplanar™ style pressure transmitter models 3051C, 3051P, 2024 and 3095 Multivariable™.Ball end stems eliminate seat galling, provide bubble-tight shutoff and long life. Hardened, non-rotating balls ensure perfectly aligned closure.Packing below threads prevents lubricant washout, thread corrosion, process contamination and eliminates galling.Easily adjustable PTFE packing decreases replacement downtime and increases valve life.Dust covers protect stems from lubricant contamination.Safety back seating prevents stem blowout or accidental removal and provides a metal-to-metal secondary stem seal while in the fully open position.ENC plated 316 SS stems prevent galling or freezing of stem threads.Rolled stem and bonnet threads provide additional strength.Mirror stem finish in the packing areas provides smooth operation and extends packing life.Metal-to-metal body-to-bonnet seals in constant compression prevent bonnet thread corrosion, eliminate possible tensile breakage and give a reliable seal.Bonnet lock pins prevent accidental separation from the body while enabling easy maintenance and repair.Patented porting design allows complete venting of process fluids before start-up for easy installation commissioning, not trapping unwanted liquid or gas process fluids.