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forged double block and bleed (dbb) valves-ag尊龙凯时

issue date:2006/01/26 instrument dbb valves oliver page views:1957

machined from a single piece of 'grain flow controlled' forging, our forged double block and bleed (dbb) valves feature two inline ball pattern primary and secondary isolating valves and a heavy duty needle vent valve. available in d type, el type andn type. with a range of different operating temperatures and configurations, our forged double block and bleed (dbb) valves are the superior market leader in flow control.

overview

 

this all forged manifold comprises three heavy duty needle valves. offering 5.4mm (0.23") bores and metal seated valves. our forged double block and bleed (dbb) valves have three heavy duty metal seated needle valves with 5.4mm (0.23") bores. the types of forged dbb valves we offer are below.

it's also important to note that in most cases, we are able to supply our forged double block and bleed (dbb) valves in both flange-to-flange and flange-to-pipe configurations. we are also able to supply these valves in other materials as per your requirements.

oliver valves currently offers the following forged double block and bleed (dbb) valves:

n type

d type

d type

el type

3d models are available upon request.

 

specifications

forged dbb valve specifications:  
maximum temperature typically 240c - flange-to-pipe up to 540c
maximum rating 2500lb class
bore sizes 10mm, 14mm and 20mm (0.4" to 0.8")

available materials

 

carbon steel

astm a350 lf2 body material with bs970 316 s11/s31 barstockstainless steel trims and head units with graphite seals and gland packings. needle valves have non-rotating hard tip giving metal to metal closure and screw down tee bar operators.

duplex stainless steel

astm a182 f51 body material with uns s31803 barstock steel trims and head units with graphite seals and gland packings. needle valves have non-rotating hard tip giving metal to metal closures and screw down tee bar operators.

stainless steel

astm a182 f316 body material with bs970 316s11/s31 barstock stainless steel trims and head units with graphite seals and gland packings. needle valves have non-rotating hard tip giving metal to metal closure and screw down tee bar operators.

other materials are available on request.

 

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