DFB Series Firesafe Integral DBB Valves - Ball Type
Description:
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DFB Series Double Block Bleed Valve
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Ball/Needle/Ball Flanged DBB
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Size range 1/4 Inch to 3 Inch
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Class rating 150 to 2500lb
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Material 316ss to Super Alloys
Features:
ISOLATE VALVE :-
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Wide choice of Flange sizes and Pressure ratings.
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Robust HIGH pressure designed to be maintained
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Ball Valve has anti-blowout stem for safety
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Floating ball design for positive shut-off
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Replaceable seats and seals for extended life
VENT VALVE :-
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Top Sealing Bonnet style
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NON-Rotating hard tip on bleed valve for effective shut-off
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Back sealing on the stem and adjustable gland packing
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Stem Seal below actuating threads to prevent contamination and gauling of threads
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Metal/Metal bonnet seal for pressure tightness even at elevated temperatures
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Choice of Block, Block and Bleed or Double Block and Bleed
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Bleed Port with socket pressure plug or Tube fitting
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316 ss to NACE Specification, Full material traceability