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Recommend
SS316 Mono Flange DBB Valve 1" Class 150 | Double Block & Bleed Valve for Instrumentation Systems
Compactmono flange designintegrates double block and bleed function in a single body
Providespositive isolationand safe pressure venting for instrument connections
Reduces potential leak paths compared to traditional multi-valve assemblies
Available in1/2", 3/4", 1", and 2" sizes, withClass 150 / 300 / 600ratings
Constructed fromSS316 stainless steel,Duplex, orNickel Alloyfor superior corrosion resistance
Optionalball/needle bleed valvefor pressure release
Fire-safe and anti-blowout stem design available upon request
- Technical Parameters
- Main feature
- Operating range
| Parameter | Specification |
|---|---|
| Type | Mono Flange Double Block & Bleed (DBB) Valve |
| Body Material | SS316 Stainless Steel (Duplex, Super Duplex, Alloy 400, 625, 825 optional) |
| Connection Type | Flanged End (ASME / ANSI / DIN standard) |
| Connection Sizes | 1/2", 3/4", 1", 2" |
| Pressure Rating | Class 150 / 300 / 600 |
| Valve Configuration | 2 Block Valves + 1 Bleed Valve (Ball or Needle Type) |
| Working Pressure | Up to 6000 psi (414 bar), depending on class and size |
| Temperature Range | -29°C to +232°C (-20°F to +450°F) |
| Seal Material | PTFE / Graphite / Metal-to-Metal |
| Handle Type | Lever Handle (Block), T-Bar (Bleed) |
| Testing Standard | Hydrostatic and pneumatic test per API 598 / BS 6755 |
| Applications | Oil & Gas, Refinery, Chemical Plant, Instrumentation & Control Systems |
