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DBN Series Double Block Bleed Valve
Needle/Needle/Needle Bar stock DBB
Size range ¼” to 1”
Pressures range 6,000 to 10,000 p.s.i
Material 316ss to Super Alloys
DESIGN FEATURES
Double Block & Bleed Needle Valves
* Top Sealing Bonnet style
* Wide choice of Thread sizes and Pressure 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 6 turns from OPEN to CLOSE
* 316 ss to NACE Specification
* Choice of Block & Bleed or Double Block & Bleed
* Adjustable gland packing [SNV] or LoTork [LNV]
* Vent Port with pressure plug as standard
* 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
6,000 psi [Pn 408] & 10,000 psi [Pn 680] Rated
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