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flanged style double block and bleed valves-ag尊龙凯时

发布时间：2006/01/26 dbb阀门 oliver 浏览次数：4052

our flanged style double block & bleed valves are designed with a bolted 3 piece body and conventional through bolting flanged connections. the design reduces potential leak paths and allows weight and space savings when compared to conventional piping methods. available with either trunnion mounted ball or floating ball design and with both full and reduced bore sizes.

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overview

 

available up to 14" full bore and 16" reduced bore.

floating ball design from 1" up to 3" class 600.

trunnion mounted design from 2" to 16".

flanged connections in accordance with asme b16.5 or api 6a, hub connectors or welded ends also available.

integral vent valve with both threaded and flanged connections available.

specifications

 

flanged style dbb valves:  
pressure rating asme class 150 to 2500, api 6a up to 10,000 api
temperature range -50 deg c to 200 deg c, high temperature option up to 315 deg c available
design standards asme b16.34, api 6d, asme viii, asme b16.5
firesafe standards api 607, api6fa, iso 10497
seat materials soft seats: devlon, peek, ptfe & metal seats: tungsten carbide and chrome carbide

product features

 

3 piece bolted construction

the 3 piece bolted construction provides conventional through bolting of the flanged end connections, plus the option of hub or welded ends. the overall lengths of the valve are kept to a minimum and offer considerable cost, weight and space savings over conventional piping methods of double block and bleed, using separate ball valves and spool pieces.

full through bore

valves are available with full bore sizes in accordance with api 6d, ensuring maximum flow for increased production rates and allowing pigging of the pipe line.

non-intrusive trunnion plate

the integral trunnion plate design reduces leak paths through the body.

multiple bleed valve options

various bleed valve options and connections are available in line with customer requirements

 

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