RF NPT Type DBB Valve
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Nominal diameter:1/2″-12″
Nominal pressure:150Lb-600Lb , 10K-40K
Applicable temperature: -196~250ºC, 250~425ºC
Available material: CS, SS, FS,304,316,316 L, CF8, CF8M , chrome molybdenum steel , Low temperature steel.
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Description
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.
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.
Single Double block & bleed valves SBB 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.
| 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 |
Application
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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