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** Colson Industries Ltd**
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DMN Series Double Block Bleed Valve
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DMN Series Double Block Bleed Valve
Modular Flanged DBB
Size range 1/4 Inch to 3 Inch
Class rating 150 to 2500lb
Material 316ss to Super Alloys

DESIGN FEATURES
ISOLATE VALVE :-
* Top Sealing Bonnet style
* Wide choice of Flange and/or thread sizes and Pressure
. Class or psi/Bar ratings. [MODULAR DESIGN]
* Robust HIGH pressure DESIGNED to be maintained
* OS and Y Primary Isolate Valve optional
* Large Head assembly for Primary Isolate
* NON-Rotating hard tip for effective shut-off
* Back sealing on the stem and 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 and Bleed or Double Block and Bleed
* 316 ss to NACE Specification, Full material traceability
VENT VALVE :- as above but including
* Anti-Tamper Head unit as option
* Vent/outlet Port can be supplied with OD tube fitting

We reserve the right to change specifications stated in this leaflet due to our continuing program of developement.All Needle valves have T Bar handle as standard. Anti-Tamper Keys are always supplied separately, for security. It is always advised that the valve is supported an not left to carry the weight of the pipe work as damage may occur.

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