The Double Block & Bleed “Type OV” is fully approved to supply many of the worlds oil majors. Piping class primary & secondary isolation ball valves with outside screw & Yoke vent valve.
Available in flange sizes from 1/2" to 4" as standard with larger sizes by request.
Versatile - Mixed end flanges i.e. 1-1/2" ANSI 1500lbs x 2" ANSI 1500lbs can easily be achieved with this design. Many other combinations can be made to suit a specific application.
316 stainless steel handles and trim as standard to prevent rusting. Materials of construction available are numerous with the standard grades ASTM A350 LF2 / A105, ASTM A182 F316 / F316L and ASTM A182 F51 being held for call off at our suppliers, this reduces the delivery times.
Outlets and vents are all 1/2" NPT as standard, 1/4" and 3/4" are also available. Butt weld and socket weld outlets available.