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Double block and bleed ball valves are designed in order to replace the multiple valves connection complex forms in traditional pipeline ,reduce the leakage in system to achieve quickly bleed,close function.double block and bleed ball valve maximum save installation space and simplified installation program,cut down the pressure in piping system ,convenient cleaning maintenance and reduce the costs.the valves are widely used in electric power ,petroleum chemical industry,metallurgy,marine,oil,natural gas,coal gas,phameceutical and other ndustries hydraulic system pipeline

Applicable standard

design standard:ANSI/ASME B16.34

fire safe : API 607/BS 6755

end connection:ASME B16.5

inspection and test : API 6D,API 598

Product range

size:2''~24''(DN50~DN300)

rating:ANSI 150LB,300LB,600LB,900LB,1500LB,2500LB

body materials: cast steel,stainless steel,alloy steel ,etc

ball and stem:PTFE,RPTFE,PEEK,NYLON,ETC

operation:lever ,gear

Design features

two piece doby design-minimize leakage paths.

bi-directional

bubble tight shutoff

floating ball principal with dynamic response seats featuring and thread sealants

low torque operation

connector thread environmentally seated

anti static design as standard

firesafe design to meet BS 6755 part 2/API 607(optional)