Double block and bleed ball valve
Double block and bleed ball valve
Double block and bleed ball valve Product introduction
Double Block and Bleed Ball Valve,DBB ball valve have two balls and one or two needle valves,the two ball valves can opend and closed the medium and two needle valves can discharge pressure of the valves,Double Block and Bleed Ball Valve is designed to replace the complex form of the connection of multiple valves in traditional pipes,so as to reduce leakage points in the system and realize fast discharging and closing. Double Block and Bleed Ball Valve saves the installation procedures,reduces pressure in the pipe system,facilities instrument cleaning and maintenance and lowers the cost.
Double Block and Bleed Ball Valve specification
Threaded units available in 6,000 & 10,000 Psig ratings
Threaded connections from ¼” through 1”
Flanged connections from ½” to 12”
Flange ratings 150# - 2500#
Wide range of materials of construction available
NPT threads standard, BSP available
PTFE packing or graphite packing
Double Block and Bleed Ball Valve design feature
EEMUA 182, ASME B16.34 Design
Full Bore And Reduced Bore Design
Flanged, Welding, Hub, Threaded Ends
Simple structure with good sealing performance and small torque;
Full bore and reduced bore design with the minimum flow resistance (zero actually);
Emergency sealant injection;
Cavity pressure self relief;
Independent ball and stem;
Low emission packing;
Fire safe, anti-static and anti-blowout stem design;
Valve seat function DBB, DIB-1, DIB-2;
Optional extended bonnet.
Double Ball/Twin Ball and Needle Valve for Draining and Bleeding applications
Double block and bleed ball valve Related Products
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