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Instrument DBB Valves (Threaded)
Instrument DBB Valves (Threaded)
Colson X-Cel manufacture a range of comprehensive instrument Double Block and Bleed Valves for pipeline take off applications. This ensures your measuring instruments can be safely isolated for calibration or replacement during maintenance.

DBB Series
- Connection size ¼” – 1”
- Pressure Rating Up to 10,000psi
- Temperature range -46°C to 200°C (-51°F to 392°F)
- Bore Sizes 10mm, 13mm & 19mm

DBN Series
- Connection size ¼” – 1”
- Pressure Rating Up to 10,000psi
- Temperature range -46°C to 538°C (-51°F to 1000°F)
- Bore Sizes 5mm & 8mm

DF Series
- Connection size ½” to 2”
- Pressure Rating ASME 150 - 2500
- Temperature range -46°C to 200°C (-51°F to 392°F)
- Bore Sizes 10mm & 13mm