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DWFFSeries Double Block Bleed Valve
Needle/Needle/Needle Mono Flanged DBB
Size range ¼” to 3”
Class rating 150 to 2500lb
Material 316ss to Super Alloys
DESIGN FEATURES
* Top Sealing Bonnet style
* Wide choice of Flange sizes and Presure ratings.
* Robust HIGH pressure design
* DESIGNED to be maintained
* 2 piece stem with NON-Rotating tip as standard
* Hard TIP for effective shut-off and life
* Low operating torque,Back sealing on the stem
* Smooth 7 turns from OPEN to CLOSE
* Vent valve fitted Anti-tamper head as standard
* 316 ss to NACE Specification
* Choice of Block, Block & Bleed or Double Block & Bleed
* Adjustable gland packing
* Vent Port with socket pressure plug or Tube fitting
* Full material traceability
* Stem Seal below actuating threads to prevent
. contamination & gauling of threads
* Metal/Metal bonnet seal for pressure tightness
. even at elevated temperatures
 Download PDF Data Sheet Click Here
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