1⁄4”- 6” (DN8-DN150)
Class 2500
Body
• Standard and full port design
• Unidirectional
• High flow capacity and minimum turbulence
• Fire safe design to API 607 and ISO 10497
Ball and metal seats set
• Leak rate to EN12266-1 Rate B (factory tested) is achieved by accurate grinding and lapping processes
• Various surface treatments and coatings available for superb corrosion and abrasion resistance
• Constant preload of ball/seats set obtained by Inconel 718 Belleville spring
• Low operating torque
Stem
• Blowout-proof design
• Solid one-piece
• Tight stem-to-ball engagement
• High torque durability
• Live loaded stem seal Minimum thermal expansion
• One size up and shorter body bolts
• Additional spring washers
Tongue & groove labyrinth design
• Zero leakage into the atmosphere
• Full compression of encapsulated body seal
• Accurate alignment of all part