DFB Series Firesafe Integral DBB Valves - Ball Type
Description:
- DFB Series Double Block Bleed Valve
- Ball/Needle/Ball Flanged DBB
- Size range 1/4 Inch to 3 Inch
- Class rating 150 to 2500lb
- Material 316ss to Super Alloys
Features:
ISOLATE VALVE :-
- Wide choice of Flange sizes and Pressure ratings.
- Robust HIGH pressure designed to be maintained
- Ball Valve has anti-blowout stem for safety
- Floating ball design for positive shut-off
- Replaceable seats and seals for extended life
VENT VALVE :-
- Top Sealing Bonnet style
- NON-Rotating hard tip on bleed valve 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
- Bleed Port with socket pressure plug or Tube fitting
- 316 ss to NACE Specification, Full material traceability