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API 598/609B|ASME/ANSI B16.34/B16.5|ASTM A351 Body|ASTM CF8M Disc|MSS-SP-25/MSS-SP-55/MSS-SP-61/MSS-SP-68 Compliant|PROP65: Cancer and Reproductive Harm California Transparency in Supply Chains Act of 2010
Features & Benefits
Double offset geometry to provide superior sealing with minimal seat contact and wear
Machined, tapered seat provides multiple sealing edges
One - piece shaft and disc designed for maximum strength and Cv
Internally cast disc position stop to prevent disc over travel while maintaining optimum disc/seat contact
Stem is centered in the adjustable stem packing by oversized bearings eliminating stem leakage and fugitive emissions
Disc spacers to center disc in seat to eliminate seat distortion
Blow-out proof stem prevents injury and product loss
Combination mechanical and pressure energized seat design for repeatable and reliable sealing performance and extended cycle life
Sealing retaining ring designed for double dead end service (lug style) and allows easy removal for seat replacement
Stem/disc connection ensures minimal lost motion and high strength
Stainless backed RTFE bearing
Valve is rated at 150 psi steam for on and off application and 50 psi modulating service
Limit range 30 to 70 deg F, no dwell in near closed position
275 psi CWP pressure
PTFE stem packing