| Customization: | Available |
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| Media: | Oil, Gas, Water,Acid |
| Material: | Stainless Steel |
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SBB or DBB Ball Valves (Double block & bleed)
Single Double block & bleed ball valves are mainly suitable for the instrumentation but is also required as an alternative to the in-line installation of two valves.
Thanks to a DBB ball valve, it is possible to have the same result reducing costs, overall dimensions and the ability to bleed off the plant, by controlling a potential leakage of the plant.
Double block & bleed valves DBB are recommended for any pressure class and ensure long-lasting seal.
They can be supplied both in the Trunnion and in the Floating version.
NAI-LOK offers high-performance Double Block & Bleed (DBB) Ball Valves and Single Block & Bleed (SBB) Valves designed for critical isolation and venting applications in demanding industries. These valves ensure safe and efficient operation in high-pressure and corrosive environments.
| Flanged Inlet Connections | ANSI B16.5 flanged, sizes 1/2" to 2", rated from Class 150 to Class 2500 |
| Outlet Connection | 1/2" to 1" FNPT threaded outlet (ANSI/ASME B1.20.1, depending on bore size) |
| Vent Connection | 1/2" FNPT threaded (ANSI/ASME B1.20.1) |
| Standard Material | Stainless steel ASTM A182 F316/F316L |
| Optional Materials | Super Duplex, Monel, Hastelloy, Inconel |
| Flange Styles | Raised face (RF) to ring-type joint (RTJ) |
| Robust Construction | One-piece forged flange for superior strength |
| Fire-Safe Design | Ensures safety in high-temperature environments |
Oil & gas production and refining
Chemical and petrochemical processing
Power generation
Marine and offshore systems
High-purity and corrosive fluid handling
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