Instrumentation Blowdown Valves—6DB Series
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).
Up to 6000 psig (413 bar)
–65 to 1200°F (–53 to 648°C)
316 stainless steel
Swagelok tube fitting, female NPT,
tube socket weld, pipe socket weld
1/4, 3/8, 1/2 in.; 10 and 12 mm
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
Cleaning and Packaging
Every 6DB series blowdown valve is cleaned and packaged in accordance with Swagelok
Standard Cleaning and Packaging (SC-10).