Product
DBB Valve
Fluid control DBB valves create an efficient integrated connection from process piping to instrumentation within one compact arrangement, helping to decrease leak risks, installation weight, and space occupancy.
Double Block & Bleed Valves
DBB Valve
Fluid Controls offers a comprehensive portfolio of high-performance Double Block and Bleed (DBB) valves engineered to satisfy a wide range of demanding process and instrumentation applications. FC series DBB valves deliver positive shut-off performance even under severe operating environments. Available in various configurations, materials, sizes, and pressure ratings, these valves are designed to meet stringent industry requirements while ensuring reliable operation in critical service conditions. The DBB valve range complies with ASME, API, and NACE standards requirements. Each valve is designed in accordance with ASME B16.34 or API 6D or BS EN ISO 17292 standards. Also valves are also designed and tested to meet fire-safe requirements in accordance with API 607 and API SPEC 6FA.
- Max working pressure
- up to ≤ 10,000 psig OR CLASS 2500
- Body materials
- CS, SS 304, SS 316, Duplex, Super Duplex, Inconel 625, Inconel 825, Hastelloy C276
- Thread systems
- NPT, BSPP, BSPT, ASME B16.5 Flange, API 6A Flange
Features
- Compact & Lightweight Design
- Reduced Leak Paths & Connection Points
- Enhanced Process Safety & Reliability
- Lower Installation and Maintenance Costs
- Simplified System Architecture
- High-Performance Isolation & Pressure Management
- Ideal for Critical Process Applications
- Long-Term Operational Efficiency and Durability
- Integrated bleed function for secure pressure verification
Applications
- Oil & Gas, Chemical, Petrochemical, Power Generation, Offshore, and Onshore sectors.
- Tube OD range
- 1/4-inch, 3/8-inch, 1/2-inch, 3/4-inch, 6mm, 8mm, 10mm, 12mm, 16mm
- Size range
- 1/4 in, 3/8 in, 1/2 in, 3/4 in, 1 in, 1-1/2 in, 2 in
- Max working pressure
- up to ≤ 10,000 psig OR CLASS 2500
- Thread systems
- NPT, BSPP, BSPT, ASME B16.5 Flange, API 6A Flange
- Body materials
- CS, SS 304, SS 316, Duplex, Super Duplex, Inconel 625, Inconel 825, Hastelloy C276
- Temperature
- -29 °C to 150 °C
Part numbers
Fluid Controls' registered part numbers for this product. The table above prints no code per row, so each is listed with the size it was registered against.
| Part number | Tube OD | Max working pressure | Body material |
|---|---|---|---|
| DBB-2-8 | 1/2 in | 6000 | SS 316 |
CS
on requestSupplied with EN 10204 3.1 material certification and heat-code traceability to the melt.
SS 304
on requestSupplied with EN 10204 3.1 material certification and heat-code traceability to the melt.
SS 316
standardSupplied with EN 10204 3.1 material certification and heat-code traceability to the melt.
Duplex
on requestSupplied with EN 10204 3.1 material certification and heat-code traceability to the melt.
Super Duplex
on requestSupplied with EN 10204 3.1 material certification and heat-code traceability to the melt.
Inconel 625
on requestSupplied with EN 10204 3.1 material certification and heat-code traceability to the melt.
Inconel 825
on requestSupplied with EN 10204 3.1 material certification and heat-code traceability to the melt.
Hastelloy C276
on requestSupplied with EN 10204 3.1 material certification and heat-code traceability to the melt.
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