Update Date:2016-06-03 Pageviews:380
Integral double block and bleed Valves
Integral DBB valve find its application in the instrumentation area and is available in different design in order to satisfy all kind of application: flange to flange, flange to thread, injection and sampling, ball and needle type.
The Integral Double Block & Bleed valve is equipped by a drain needle valve situated between the two balls. This permits to drain the valve and reset the pressure to zero.
Size range: from ½ ” to 3” in all pressure class ratings from 150 Lbs to 2500 Lbs, API 3.000 to API 10.000. Internal bore diameter: 10 and 15 mm.
Such a kind of valves are of course manufactured in full compliance with most important product specifications adopted in chemical and petrochemical plants, like API 6D, ANSI, ASME, British Standard etc.
The standard production includes ASTM materials like A105N, F60 and LF6, A350 LF2 for low temperature, A182 F316(L), Duplex F51, Super Duplex F44, F53, F55 as well as a wide range of special materials like Hastelloy, Inconel 625 or 825, Monel K and Titanium Class 2.
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