DBB Valves
FLOWKS Double Block & Bleed (DBB) valves provide dual isolation with bleed verification in a single compact body. Replacing traditional multi-valve installations, FLOWKS DBB valves reduce weight, space and potential leak paths. Available in bolted bonnet, all-welded and expanding gate designs per API 6D and API 607.
Product Range
Select a series for detailed specifications, downloads and technical data.
Full Bore DBB Valve
Full bore passage with double block and bleed capability. Flanged or butt-weld ends. Reduces pipeline inventory and maintenance cost.
Reduced Bore DBB Valve
Compact reduced bore design for space-critical installations. Provides double isolation and bleed verification in a single valve body.
Flange End DBB Valve
Flanged connection DBB valve for easy installation and maintenance. Bolted bonnet design with metal-to-metal seats for fire-safe service.
All-Welded DBB Valve
All-welded body DBB valve with extended bonnet for buried pipeline service. Zero external leakage design per ISO 15848.
Product Downloads
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Ball Valves
FLOWKS offers floating ball valve, trunnion mounted ball valve and top entry ball valve for oil & gas, petrochemical and power generation. Designed per API 6D, API 608 and ASME B16.34.
Gate Valves
FLOWKS gate valves for isolation service in piping systems. Flexible wedge, solid wedge, slab and expanding gate designs per API 600, API 602 and ASME B16.34.
Globe Valves
FLOWKS globe valves for throttling and isolation. Standard, angle, Y-pattern and bellows seal configurations per API 602 and BS 1868.
Check Valves
FLOWKS check valves prevent reverse flow. Dual plate, swing, tilting disc and lift check designs per API 594 and BS 1868.