ASME B16.34 Double Block And Bleed Valve
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ASME B16.34 Double Block And Bleed Valve

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ASME B16.34 Double Block And Bleed Valve


The Double Block And Bleed Valve is used to cut off or connect the media in various of Class150~Class2500. The valves made of different materials are suitable for various media such as water, steam, oil, liquefied gas, natural gas, coal gas, nitric acid, oxidizer, urea and etc. The driving modes include manual operation and electric operation. The connection ends can be flange or butt welding.


Double block and bleed valves are most commonly used in the oil and gas industry, but can also be helpful in many other industries. It’s typically used where bleeding the valve cavity is required, where piping needs isolation for maintenance, or for any of these other scenarios:


Prevent product contamination.

Remove equipment from service for cleaning or repair.

Meter calibration.

Liquid service near waterways or municipalities.

Transmission and storage.

Chemical injection and sampling.

Isolate instrumentation such as pressure indicators and lever gauges.

Primary process steam.

Shut off and vent pressure measuring instruments.


1. ASME B16.34 Double Block And Bleed Valve Technical specifications:

3-Piece Bolted Body, Full Port Construction

Fully Compliant to ASME B16.34

Fully Compliant to API 6D

API 607 6th Edition Fire-Safe

Submerged Packing System & Direct Mount Actuation

Second Generation PTFE Seats Provide Higher Operating Temperatures

Standard Electrically Grounded Ball & Stem

 

2. ASME B16.34 Double Block And Bleed Valve Product Specification:

Size: 2''-56''(DN50~DN1400)

Pressure Rating: 150LB-900LB/PN16~PN100/10K~60K)

Material: A351 CF8M/CF8/CF3/CF3M, A216 WCB, A352 LCB/LCC,F51/F53/C95800

Suitable Temperature: -196ºC~450ºC( Different temperature choose different materials).

Suitable Medium: Water, Steam, Oil and natural gas etc.

 

3.ASME B16.34 Double Block And Bleed Valve Product Feature:

Fixed ball, full bore or reduce bore.

Mounting trunnion Ball valve

l    Blow-out proof stem design.

PTFE/RPTFE seat seal( Seat seal material could be decided by customer's request or according to valve's medium & temp. condition).

Anti-static design and API 607 Fire Safe Design available

Operation: Hand wheel, Worm wheel,Gear, Pneumatic actuator & Electric Actuator.



Note: All the data should be confirmed with the approved drawings of manufacturer.

 

Tips:

     We also manufacture other type valves, as butterfly valve, check valve, globe valve, Y strainer, sanitary butterfly valve, sanitary ball and so on.

     Any item meets your interest, anything confused you, pls keep me posted, let's talk more.

 

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