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The complete catalog contents must be reviewed to ensure that the system designer and user make a safe product selection. When selecting products, the total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, adequate ratings, proper installation, operation, and maintenance are the responsibilities of the system designer and user.
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Home > Products > Valves > Needle Shutoff and Regulating > Blow Down Valves

Blow Down Valves

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Instrumentation Blowdown Valves—6DB Series

6DB Series Blowdown Valve

Swagelok® needle valves with union-bonnet construction are available in a variety of materials, with working pressures up to 10 000 psig (689 bar) and temperatures up to 1200°F (648°C).

Specifications

Working Pressure
Temperature
Flow Coefficient
Body Material
Packing Material
End Connections
• Type

• Size

Up to 6000 psig (413 bar)
–65 to 1200°F (–53 to 648°C)
0.86
316 stainless steel
Grafoil

Swagelok tube fitting, female NPT,
tube socket weld, pipe socket weld
1/4, 3/8, 1/2 in.; 10 and 12 mm

Testing

Every 6DB series blowdown valve is factory tested with nitrogen at 1000 psig (69 bar). Seats have a maximum allowable leak rate of 0.1 std cm3/min. Shell testing is performed to a requirement of no detectable leakage with a liquid leak detector.


Cleaning and Packaging

Every 6DB series blowdown valve is cleaned and packaged in accordance with Swagelok Standard Cleaning and Packaging (SC-10).

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