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DGB Series Double Block Bleed Valve
Ball/Needle/Ball Flanged DBB
Size range 1/2 ” to 3”
Class rating 150 to 2500lb
DESIGN FEATURES
ISOLATE VALVE :-
* One Piece BODY
* Top Sealing Bonnet style
* Wide choice of Flange sizes and Presure ratings.
* Robust HIGH pressure DESIGNED to be
. maintained
* OS&Y Primary Isolate Valve optional
* Large Head assembly for Primary/Secondary
. Isolate
* NON-Rotating hard tip for effective shut-off
* Back sealing on the stem & adjustable gland
. packing
* Stem Seal below actuating threads to prevent
. contamination and gauling of threads
* Metal/Metal bonnet seal for pressure tightness
. even at elevated temperatures.
* Choice of Block, Block & Bleed or Double
. Block& Bleed
* 316 ss to NACE Specification, Full material
. traceability
* 316 ss to NACE Specification, Full material traceability
 Download PDF Data Sheet Click Here
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