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Recommend
NAI-LOK High Pressure 600# Flange 2'' x 1/2''FNPT Stainless Steel DBB Valve Flange End Double Block and Bleed Ball Valve
Compact double block and bleed (DBB) valve design with flanged connections
Provides positive isolation and safe pressure bleed-off in critical systems
Stainless Steel SS316 body for excellent corrosion resistance
Blow-out proof stem and fire-safe design available
Red lever handle for quick and reliable operation
Suitable for oil & gas, chemical, and instrumentation applications
Reduces potential leak paths compared with traditional multi-valve assemblies
- Technical Parameters
- Main feature
- Operating range
| Parameter | Specification |
|---|---|
| Type | Double Block and Bleed (DBB) Valve, Flanged End |
| Material | SS316 Stainless Steel (other alloys on request) |
| Connection | Flange End (ASME / ANSI / DIN standard available) |
| Valve Type | Ball Valve Type (Block x 2 + Needle / Ball Bleed) |
| Size Range | 1/2" to 2" (customizable) |
| Pressure Rating | Up to 6000 psi (414 bar) or per flange class |
| Temperature Range | -29°C to +232°C (-20°F to +450°F) |
| Seal Type | PTFE / Graphite / Metal-to-Metal seat |
| Handle | Lever handle (red coated) |
| Applications | Oil & Gas, Petrochemical, Refinery, Instrumentation Systems |
