Our compact style Double Block & Bleed Valves are designed with an overall length in accordance with ASME B16:10. The single piece body design reduces potential leak paths and allows weight and space to be kept to a minimum. Available with both full and reduced bore sizes.
Floating Ball Valves DBB Flanged
Oliver Twinsafe produces a range of Trunnion Ball and Floating Double Block and Bleed Valves. We offer true double isolation with two independent ball valves contained in one valve body, guaranteeing absolute shut-off and maximising the safe operation of any processing facility.
DBB Pipeline Ball Valves
Oliver Twinsafe produces a range of Trunnion Ball and Floating Double Block and Bleed Valves. We offer true double isolation with two independent ball valves contained in one valve body, guaranteeing absolute shut-off and maximising the safe operation of any processing facility.



