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BALL VALVE DESIGN FEATURES VB2/VB3 VW1 VT1 FEATURES SIDE-ENTRY | WELDED BODY | TOP-ENTRY Trunnion-mounted Standard Standard Standard Independent stem and ball Standard Standard Standard Independent floating seats Standard Standard Standard Primary soft seat - secondary metal seat Standard Standard Primary metal seat - secondary soft seat On request On request On request Metal-to-metal seat On request N/A On request Self relieving seats Standard Standard Standard Single piston seat effect Standard Standard Standard Double piston seat effect On request On request On request Combination (self relieving/double piston) seats On request On request On request API 6A or API 6D design and construction As required As required As required Face-to-face dimensions to API 6D and ANSI B16.10 Standard Standard Standard Fire safe design to API 6FA - AP 607 - BS 6755 part 2 Standard Standard Standard Full, reduced or venturi port As required As required As required Flanged ends - welded ends - hub ends As required As required As required Transition pups for welded end valves On request On request On request Antistatic Standard Standard Standard Anti-blowout stem Standard Standard Standard Double block and bleed As required As required As required Eloz;':r:I:,?:&ggg';};:fi?;':“mgr'w in line with ball Standard Standard Standard Double body seals Standard Not required Standard Triple stem seals Standard Standard Standard Drain plug Standard Standard Standard Drain valve On request On request On request Vent valve (on 6” and larger) Standard Standard Standard Emergency sealant injection on stem Standard Standard Standard Emergency sealant injection on seats (on 6” and larger) On request On request On request Seat pocket overlay On request On request On request Seals area overlay On request On request On request Wetted parts overlay On request On request On request Body internal lining On request N/A On request Extended stem for underground installation As required As required As required Extended honnet for low or high temperature As required N/A As required Locking device On request On Request On request Standard Standard Standard On 6" and larger On 6" and larger On 6" and larger Standard Standard Standard On 6" and larger On 6" and larger On 6" and larger Manual or motorized operation As required As required As required In-line maintenance N/A N/A Yes N/A On stem & ancillaries only Lifting lugs Supporting feet On site maintenance Yes Note: Other features are available on request.